gtk2/gtk/gtknotebook.c

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1997-11-24 22:37:52 +00:00
/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
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*/
#include "gtknotebook.h"
#include "gtksignal.h"
#include "gtkmain.h"
#include "gtkmenu.h"
#include "gtkmenuitem.h"
#include "gtklabel.h"
#include <gdk/gdkkeysyms.h>
#include <stdio.h>
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#define TAB_OVERLAP 2
#define TAB_CURVATURE 1
#define ARROW_SIZE 11
#define ARROW_SPACING 3
#define NOTEBOOK_INIT_SCROLL_DELAY (200)
#define NOTEBOOK_SCROLL_DELAY (100)
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enum {
SWITCH_PAGE,
LAST_SIGNAL
};
enum {
STEP_PREV,
STEP_NEXT
};
typedef void (*GtkNotebookSignal) (GtkObject *object,
GtkNotebookPage *arg1,
gint arg2,
gpointer data);
static void gtk_notebook_class_init (GtkNotebookClass *klass);
static void gtk_notebook_init (GtkNotebook *notebook);
static void gtk_notebook_destroy (GtkObject *object);
static void gtk_notebook_map (GtkWidget *widget);
static void gtk_notebook_unmap (GtkWidget *widget);
static void gtk_notebook_realize (GtkWidget *widget);
static void gtk_notebook_panel_realize (GtkNotebook *notebook);
static void gtk_notebook_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_notebook_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_notebook_paint (GtkWidget *widget,
GdkRectangle *area);
static void gtk_notebook_draw (GtkWidget *widget,
GdkRectangle *area);
static gint gtk_notebook_expose (GtkWidget *widget,
GdkEventExpose *event);
static gint gtk_notebook_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_notebook_button_release (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_notebook_enter_notify (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_notebook_leave_notify (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_notebook_motion_notify (GtkWidget *widget,
GdkEventMotion *event);
static gint gtk_notebook_key_press (GtkWidget *widget,
GdkEventKey *event);
static void gtk_notebook_add (GtkContainer *container,
GtkWidget *widget);
static void gtk_notebook_remove (GtkContainer *container,
GtkWidget *widget);
static void gtk_notebook_real_remove (GtkNotebook *notebook,
GList *list,
gint page_num);
static void gtk_notebook_foreach (GtkContainer *container,
GtkCallback callback,
gpointer callback_data);
static void gtk_notebook_switch_page (GtkNotebook *notebook,
GtkNotebookPage *page,
gint page_num);
static void gtk_notebook_draw_tab (GtkNotebook *notebook,
GtkNotebookPage *page,
GdkRectangle *area);
static gint gtk_notebook_focus_in (GtkWidget *widget,
GdkEventFocus *event);
static gint gtk_notebook_focus_out (GtkWidget *widget,
GdkEventFocus *event);
static void gtk_notebook_draw_focus (GtkWidget *widget);
static void gtk_notebook_focus_changed (GtkNotebook *notebook,
GtkNotebookPage *old_page);
static void gtk_notebook_pages_allocate (GtkNotebook *notebook,
GtkAllocation *allocation);
static void gtk_notebook_page_allocate (GtkNotebook *notebook,
GtkNotebookPage *page,
GtkAllocation *allocation);
static void gtk_notebook_draw_arrow (GtkNotebook *notebook,
guint arrow);
static gint gtk_notebook_timer (GtkNotebook *notebook);
static gint gtk_notebook_focus (GtkContainer *container,
GtkDirectionType direction);
static gint gtk_notebook_page_select (GtkNotebook *notebook);
static void gtk_notebook_calc_tabs (GtkNotebook *notebook,
GList *start,
GList **end,
gint *tab_space,
guint direction);
static void gtk_notebook_expose_tabs (GtkNotebook *notebook);
static void gtk_notebook_switch_focus_tab (GtkNotebook *notebook,
GList *new_child);
static void gtk_real_notebook_switch_page (GtkNotebook *notebook,
GtkNotebookPage *page);
static void gtk_notebook_marshal_signal (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_notebook_menu_switch_page (GtkWidget *widget,
GtkNotebookPage *page);
static void gtk_notebook_update_labels (GtkNotebook *notebook,
GList *list,
gint page_num);
static void gtk_notebook_menu_detacher (GtkWidget *widget,
GtkMenu *menu);
static void gtk_notebook_menu_label_unparent (GtkWidget *widget,
gpointer data);
static void gtk_notebook_menu_item_create (GtkNotebook *notebook,
GtkNotebookPage *page,
gint position);
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static GtkContainerClass *parent_class = NULL;
made the <widget>_signals[] arrays of type guint rather than gint. made Mon Mar 9 15:48:10 1998 Tim Janik <timj@gimp.org> * Signal signedness and naming corrections, plus GtkType fixes: * gtk/gtkadjustment.c: * gtk/gtkbutton.c: * gtk/gtkcheckmenuitem.c: * gtk/gtkclist.c: * gtk/gtkcolorsel.c: * gtk/gtkcontainer.c: * gtk/gtkcurve.c: * gtk/gtkdata.c: * gtk/gtkeditable.c: * gtk/gtkentry.c: * gtk/gtkhandlebox.c: * gtk/gtkinputdialog.c: * gtk/gtkitem.c: * gtk/gtklist.c: * gtk/gtkmenuitem.c: * gtk/gtkmenushell.c: * gtk/gtknotebook.c: * gtk/gtkstatusbar.c: * gtk/gtktoolbar.c: * gtk/gtktree.c: * gtk/gtktreeitem.c: * gtk/gtkwidget.c: * gtk/gtktogglebutton.c: * gtk/gtkwindow.c: made the <widget>_signals[] arrays of type guint rather than gint. * gtk/gtkwidget.c (gtk_widget_get_ancestor): made widget_type a GtkType. * gtk/gtkcombo.h: handler ids need to be of type guint (entry_change_id, list_change_id). * gtk/gtkaccelerator.c: changed signal_num to signal_id and typed it guint. * gtk/gtkmain.c: made gtk_ndebug_keys a guint. * gtk/gtkmenu.h: * gtk/gtkmenu.c: (gtk_menu_popup): made button a guint. (gtk_menu_set_active): made index a guint. * gtk/gtkmenuitem.h: * gtk/gtkmenuitem.c: made accelerator_signal a guint. * gtk/gtkoptionmenu.h: * gtk/gtkoptionmenu.c: (gtk_option_menu_set_history): made index a guint. * gtk/gtksignal.h: * gtk/gtksignal.c: * gtk/gtkobject.h: * gtk/gtkobject.c: changed a bunch of prototypes to take guints rather than gints. also made some conversions from guint to GtkType, left over from when the fundamental-types system was introduced. * gtk/gtkobject.h: * gtk/gtkobject.c: made object_data_id_index and obj_count guints. made *signals and nsignals guints in GtkObjectClass.
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static guint notebook_signals[LAST_SIGNAL] = { 0 };
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guint
configure.in acheader.h gdk/gdkwindow.c Check for Shape extension both on Sun May 3 13:38:22 1998 Owen Taylor <otaylor@gtk.org> * configure.in acheader.h gdk/gdkwindow.c Check for Shape extension both on the client and server side. (And, more importantly, check for the shape extension so we may include -lXext even when compiling with --disable-xshm) Don't set override_redirect on all shaped windows. It isn't necessary. * gdk/gdkwindow.c: Set ->colormap to NULL for root and foreign windows. Use this to check if we need to get the colormap from X. Fri May 1 22:32:47 1998 Owen Taylor <otaylor@gtk.org> * gtk/gtkbutton.c (gtk_button_paint): Draw the areas between the default and the button always in GTK_STATE_NORMAL. * gtk/gtkrange.c (gtk_range_style_set): Added a style_set callback. Fri May 1 16:40:57 1998 Owen Taylor <otaylor@gtk.org> * gdk/gdkpixmap.c (gdk_pixmap_colormap_create_from_xpmp[_d]): Fix a buffer overflow on pixmaps that claim to have more than 31 characters per pixel. (gdk_pixmap_read_string): Don't wrap around strings longer than half of address space ;-) * gtk/gtk[vh]ruler.c gtk/gtkinputdialog.c: Expand some buffers that were used for printing integers. * */* (almost): Style: All int foo () { ... } changed to int foo (void) { ... } ^^^^^^^ This is why some many files changed Even where there were proper prototypes elsewhere. * gdk/gxid.c (handle_claim_device): Some extra checks. It isn't safe against being fed bad X id's, but at least it should be safe against deleting all your files.
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gtk_notebook_get_type (void)
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{
static guint notebook_type = 0;
if (!notebook_type)
{
GtkTypeInfo notebook_info =
{
"GtkNotebook",
sizeof (GtkNotebook),
sizeof (GtkNotebookClass),
(GtkClassInitFunc) gtk_notebook_class_init,
(GtkObjectInitFunc) gtk_notebook_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
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};
notebook_type = gtk_type_unique (gtk_container_get_type (), &notebook_info);
}
return notebook_type;
}
static void
gtk_notebook_class_init (GtkNotebookClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
container_class = (GtkContainerClass*) class;
parent_class = gtk_type_class (gtk_container_get_type ());
notebook_signals[SWITCH_PAGE] =
gtk_signal_new ("switch_page",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkNotebookClass, switch_page),
gtk_notebook_marshal_signal,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_INT);
gtk_object_class_add_signals (object_class, notebook_signals, LAST_SIGNAL);
object_class->destroy = gtk_notebook_destroy;
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widget_class->map = gtk_notebook_map;
widget_class->unmap = gtk_notebook_unmap;
widget_class->realize = gtk_notebook_realize;
widget_class->size_request = gtk_notebook_size_request;
widget_class->size_allocate = gtk_notebook_size_allocate;
widget_class->draw = gtk_notebook_draw;
widget_class->expose_event = gtk_notebook_expose;
widget_class->button_press_event = gtk_notebook_button_press;
widget_class->button_release_event = gtk_notebook_button_release;
widget_class->enter_notify_event = gtk_notebook_enter_notify;
widget_class->leave_notify_event = gtk_notebook_leave_notify;
widget_class->motion_notify_event = gtk_notebook_motion_notify;
widget_class->key_press_event = gtk_notebook_key_press;
widget_class->focus_in_event = gtk_notebook_focus_in;
widget_class->focus_out_event = gtk_notebook_focus_out;
widget_class->draw_focus = gtk_notebook_draw_focus;
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container_class->add = gtk_notebook_add;
container_class->remove = gtk_notebook_remove;
container_class->foreach = gtk_notebook_foreach;
container_class->focus = gtk_notebook_focus;
class->switch_page = gtk_real_notebook_switch_page;
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}
static void
gtk_notebook_init (GtkNotebook *notebook)
{
GTK_WIDGET_SET_FLAGS (notebook, GTK_CAN_FOCUS);
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notebook->cur_page = NULL;
notebook->children = NULL;
notebook->first_tab = NULL;
notebook->focus_tab = NULL;
notebook->panel = NULL;
notebook->menu = NULL;
notebook->tab_border = 3;
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notebook->show_tabs = TRUE;
notebook->show_border = TRUE;
notebook->tab_pos = GTK_POS_TOP;
notebook->scrollable = FALSE;
notebook->in_child = 0;
notebook->click_child = 0;
notebook->button = 0;
notebook->need_timer = 0;
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}
GtkWidget*
configure.in acheader.h gdk/gdkwindow.c Check for Shape extension both on Sun May 3 13:38:22 1998 Owen Taylor <otaylor@gtk.org> * configure.in acheader.h gdk/gdkwindow.c Check for Shape extension both on the client and server side. (And, more importantly, check for the shape extension so we may include -lXext even when compiling with --disable-xshm) Don't set override_redirect on all shaped windows. It isn't necessary. * gdk/gdkwindow.c: Set ->colormap to NULL for root and foreign windows. Use this to check if we need to get the colormap from X. Fri May 1 22:32:47 1998 Owen Taylor <otaylor@gtk.org> * gtk/gtkbutton.c (gtk_button_paint): Draw the areas between the default and the button always in GTK_STATE_NORMAL. * gtk/gtkrange.c (gtk_range_style_set): Added a style_set callback. Fri May 1 16:40:57 1998 Owen Taylor <otaylor@gtk.org> * gdk/gdkpixmap.c (gdk_pixmap_colormap_create_from_xpmp[_d]): Fix a buffer overflow on pixmaps that claim to have more than 31 characters per pixel. (gdk_pixmap_read_string): Don't wrap around strings longer than half of address space ;-) * gtk/gtk[vh]ruler.c gtk/gtkinputdialog.c: Expand some buffers that were used for printing integers. * */* (almost): Style: All int foo () { ... } changed to int foo (void) { ... } ^^^^^^^ This is why some many files changed Even where there were proper prototypes elsewhere. * gdk/gxid.c (handle_claim_device): Some extra checks. It isn't safe against being fed bad X id's, but at least it should be safe against deleting all your files.
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gtk_notebook_new (void)
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{
return GTK_WIDGET (gtk_type_new (gtk_notebook_get_type ()));
}
static void
gtk_notebook_destroy (GtkObject *object)
{
GtkNotebook *notebook;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (object));
notebook = GTK_NOTEBOOK (object);
if (notebook->menu)
gtk_notebook_popup_disable (notebook);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
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void
gtk_notebook_append_page (GtkNotebook *notebook,
GtkWidget *child,
GtkWidget *tab_label)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (child != NULL);
gtk_notebook_insert_page_menu (notebook, child, tab_label, NULL, -1);
}
void
gtk_notebook_append_page_menu (GtkNotebook *notebook,
GtkWidget *child,
GtkWidget *tab_label,
GtkWidget *menu_label)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (child != NULL);
gtk_notebook_insert_page_menu (notebook, child, tab_label, menu_label, -1);
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}
void
gtk_notebook_prepend_page (GtkNotebook *notebook,
GtkWidget *child,
GtkWidget *tab_label)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (child != NULL);
gtk_notebook_insert_page_menu (notebook, child, tab_label, NULL, 0);
}
void
gtk_notebook_prepend_page_menu (GtkNotebook *notebook,
GtkWidget *child,
GtkWidget *tab_label,
GtkWidget *menu_label)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (child != NULL);
gtk_notebook_insert_page_menu (notebook, child, tab_label, menu_label, 0);
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}
void
gtk_notebook_insert_page (GtkNotebook *notebook,
GtkWidget *child,
GtkWidget *tab_label,
gint position)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (child != NULL);
gtk_notebook_insert_page_menu (notebook, child, tab_label, NULL, position);
}
void
gtk_notebook_insert_page_menu (GtkNotebook *notebook,
GtkWidget *child,
GtkWidget *tab_label,
GtkWidget *menu_label,
gint position)
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{
GtkNotebookPage *page;
gint nchildren;
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (child != NULL);
page = g_new (GtkNotebookPage, 1);
page->child = child;
page->requisition.width = 0;
page->requisition.height = 0;
page->allocation.x = 0;
page->allocation.y = 0;
page->allocation.width = 0;
page->allocation.height = 0;
page->default_menu = FALSE;
page->default_tab = FALSE;
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nchildren = g_list_length (notebook->children);
if ((position < 0) || (position > nchildren))
position = nchildren;
notebook->children = g_list_insert (notebook->children, page, position);
if (!tab_label)
{
page->default_tab = TRUE;
if (notebook->show_tabs)
tab_label = gtk_label_new ("");
}
page->tab_label = tab_label;
page->menu_label = menu_label;
if (!menu_label)
page->default_menu = TRUE;
else
{
gtk_widget_ref (page->menu_label);
gtk_object_sink (GTK_OBJECT(page->menu_label));
}
if (notebook->menu)
gtk_notebook_menu_item_create (notebook, page, position);
gtk_notebook_update_labels
(notebook, g_list_nth (notebook->children, position), position + 1);
if (!notebook->first_tab)
notebook->first_tab = notebook->children;
if (!notebook->focus_tab)
notebook->focus_tab = notebook->children;
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gtk_widget_set_parent (child, GTK_WIDGET (notebook));
if (tab_label)
{
gtk_widget_set_parent (tab_label, GTK_WIDGET (notebook));
gtk_widget_show (tab_label);
}
if (!notebook->cur_page)
gtk_notebook_switch_page (notebook, page, 0);
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if (GTK_WIDGET_VISIBLE (notebook))
{
if (GTK_WIDGET_REALIZED (notebook) &&
!GTK_WIDGET_REALIZED (child))
gtk_widget_realize (child);
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if (GTK_WIDGET_MAPPED (notebook) &&
!GTK_WIDGET_MAPPED (child) && notebook->cur_page == page)
gtk_widget_map (child);
if (tab_label)
{
if (GTK_WIDGET_REALIZED (notebook) &&
!GTK_WIDGET_REALIZED (tab_label))
gtk_widget_realize (tab_label);
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if (GTK_WIDGET_MAPPED (notebook) &&
!GTK_WIDGET_MAPPED (tab_label))
gtk_widget_map (tab_label);
}
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}
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (notebook))
gtk_widget_queue_resize (child);
}
void
gtk_notebook_remove_page (GtkNotebook *notebook,
gint page_num)
{
GList *list;
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g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if ((list = g_list_nth (notebook->children, page_num)))
gtk_notebook_real_remove (notebook, list, page_num);
}
static void
gtk_notebook_add (GtkContainer *container,
GtkWidget *widget)
{
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (container));
g_return_if_fail (widget != NULL);
gtk_notebook_insert_page_menu (GTK_NOTEBOOK (container), widget,
NULL, NULL, -1);
}
static void
gtk_notebook_remove (GtkContainer *container,
GtkWidget *widget)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GList *children;
gint page_num;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (container));
g_return_if_fail (widget != NULL);
notebook = GTK_NOTEBOOK (container);
children = notebook->children;
page_num = 0;
while (children)
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{
page = children->data;
if (page->child == widget)
{
gtk_notebook_real_remove (notebook, children, page_num);
break;
}
page_num++;
children = children->next;
}
}
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static void
gtk_notebook_real_remove (GtkNotebook *notebook,
GList *list,
gint page_num)
{
GtkNotebookPage *page;
GList * next_list;
gint need_resize = FALSE;
if (list->prev)
{
next_list = list->prev;
page_num--;
}
else if (list->next)
{
next_list = list->next;
page_num++;
}
else
next_list = NULL;
if (notebook->cur_page == list->data)
{
notebook->cur_page = NULL;
if (next_list)
{
page = next_list->data;
gtk_notebook_switch_page (notebook, page, page_num);
}
}
if (list == notebook->first_tab)
notebook->first_tab = next_list;
if (list == notebook->focus_tab)
notebook->focus_tab = next_list;
page = list->data;
if ((GTK_WIDGET_VISIBLE (page->child) ||
(page->tab_label && GTK_WIDGET_VISIBLE (page->tab_label)))
&& GTK_WIDGET_VISIBLE (notebook))
need_resize = TRUE;
gtk_widget_unparent (page->child);
if (page->tab_label)
gtk_widget_unparent (page->tab_label);
if (notebook->menu)
{
gtk_container_remove (GTK_CONTAINER (notebook->menu),
page->menu_label->parent);
gtk_widget_queue_resize (notebook->menu);
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}
if (!page->default_menu)
gtk_widget_unref (page->menu_label);
gtk_notebook_update_labels (notebook, list->next, page_num + 1);
notebook->children = g_list_remove_link (notebook->children, list);
g_list_free (list);
g_free (page);
if (need_resize)
gtk_widget_queue_resize (GTK_WIDGET (notebook));
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}
gint
gtk_notebook_current_page (GtkNotebook *notebook)
{
GList *children;
gint cur_page;
g_return_val_if_fail (notebook != NULL, -1);
g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1);
if (notebook->cur_page)
{
cur_page = 0;
children = notebook->children;
while (children)
{
if (children->data == notebook->cur_page)
break;
children = children->next;
cur_page += 1;
}
if (!children)
cur_page = -1;
}
else
{
cur_page = -1;
}
return cur_page;
}
void
gtk_notebook_set_page (GtkNotebook *notebook,
gint page_num)
{
GList *list;
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g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if ((list = g_list_nth (notebook->children, page_num)))
gtk_notebook_switch_page (notebook,
((GtkNotebookPage *)(list->data)), page_num);
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}
void
gtk_notebook_next_page (GtkNotebook *notebook)
{
GtkNotebookPage *page;
GList *children;
gint num;
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g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
children = notebook->children;
num = 0;
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while (children)
{
if (notebook->cur_page == children->data)
break;
children = children->next;
num++;
}
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if (!children)
return;
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if (children->next)
{
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children = children->next;
num++;
}
else
{
children = notebook->children;
num = 0;
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}
page = children->data;
gtk_notebook_switch_page (notebook, page, num);
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}
void
gtk_notebook_prev_page (GtkNotebook *notebook)
{
GtkNotebookPage *page;
GList *children;
gint num;
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g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
children = notebook->children;
num = 0;
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while (children)
{
if (notebook->cur_page == children->data)
break;
children = children->next;
num++;
}
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if (!children)
return;
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if (children->prev)
{
children = children->prev;
num--;
}
else
{
while (children->next)
{
children = children->next;
num++;
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}
}
page = children->data;
gtk_notebook_switch_page (notebook, page, num);
}
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static void
gtk_notebook_foreach (GtkContainer *container,
GtkCallback callback,
gpointer callback_data)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GList *children;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (container));
g_return_if_fail (callback != NULL);
notebook = GTK_NOTEBOOK (container);
children = notebook->children;
while (children)
{
page = children->data;
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children = children->next;
(* callback) (page->child, callback_data);
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}
}
static void
gtk_notebook_expose_tabs (GtkNotebook *notebook)
{
GtkWidget *widget;
GtkNotebookPage *page;
GdkEventExpose event;
gint border;
widget = GTK_WIDGET (notebook);
border = GTK_CONTAINER (notebook)->border_width;
page = notebook->first_tab->data;
event.type = GDK_EXPOSE;
event.window = widget->window;
event.count = 0;
event.area.x = border;
event.area.y = border;
switch (notebook->tab_pos)
{
case GTK_POS_BOTTOM:
event.area.y = widget->allocation.height - border
- page->allocation.height - widget->style->klass->ythickness;
if (notebook->first_tab->data != notebook->cur_page)
event.area.y -= widget->style->klass->ythickness;
case GTK_POS_TOP:
event.area.width = widget->allocation.width - 2 * border;
event.area.height = page->allocation.height
+ widget->style->klass->ythickness;
if (notebook->first_tab->data != notebook->cur_page)
event.area.height += widget->style->klass->ythickness;
break;
case GTK_POS_RIGHT:
event.area.x = widget->allocation.width - border
- page->allocation.width - widget->style->klass->xthickness;
if (notebook->first_tab->data != notebook->cur_page)
event.area.x -= widget->style->klass->xthickness;
case GTK_POS_LEFT:
event.area.width = page->allocation.width
+ widget->style->klass->xthickness;
event.area.height = widget->allocation.height - 2 * border;
if (notebook->first_tab->data != notebook->cur_page)
event.area.width += widget->style->klass->xthickness;
break;
}
gtk_widget_event (widget, (GdkEvent *) &event);
}
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void
gtk_notebook_set_tab_pos (GtkNotebook *notebook,
GtkPositionType pos)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (notebook->tab_pos != pos)
{
notebook->tab_pos = pos;
if (GTK_WIDGET_VISIBLE (notebook))
{
gtk_widget_queue_resize (GTK_WIDGET (notebook));
if (notebook->panel)
gdk_window_clear (notebook->panel);
}
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}
}
void
gtk_notebook_set_show_tabs (GtkNotebook *notebook,
gint show_tabs)
{
GtkNotebookPage *page;
GList *children;
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g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (notebook->show_tabs == show_tabs)
return;
notebook->show_tabs = show_tabs;
children = notebook->children;
if (!show_tabs)
{
GTK_WIDGET_UNSET_FLAGS (notebook, GTK_CAN_FOCUS);
while (children)
{
page = children->data;
children = children->next;
if (page->default_tab)
{
gtk_widget_destroy (page->tab_label);
page->tab_label = NULL;
}
else
gtk_widget_hide (page->tab_label);
}
if (notebook->panel)
gdk_window_hide (notebook->panel);
}
else
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{
gchar string[32];
gint i = 1;
GTK_WIDGET_SET_FLAGS (notebook, GTK_CAN_FOCUS);
while (children)
{
page = children->data;
children = children->next;
if (page->default_tab)
{
sprintf (string, "Page %d", i);
page->tab_label = gtk_label_new (string);
gtk_widget_set_parent (page->tab_label, GTK_WIDGET (notebook));
}
gtk_widget_show (page->tab_label);
i++;
}
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}
gtk_widget_queue_resize (GTK_WIDGET (notebook));
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}
void
gtk_notebook_set_show_border (GtkNotebook *notebook,
gint show_border)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (notebook->show_border != show_border)
{
notebook->show_border = show_border;
if (GTK_WIDGET_VISIBLE (notebook))
gtk_widget_queue_resize (GTK_WIDGET (notebook));
}
}
void
gtk_notebook_set_scrollable (GtkNotebook *notebook,
gint scrollable)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (scrollable != notebook->scrollable)
{
if ( (notebook->scrollable = (scrollable != 0)) )
gtk_notebook_panel_realize (notebook);
else if (notebook->panel)
{
gdk_window_destroy (notebook->panel);
notebook->panel = NULL;
}
gtk_widget_queue_resize (GTK_WIDGET(notebook));
}
}
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static void
gtk_notebook_map (GtkWidget *widget)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
gdk_window_show (widget->window);
notebook = GTK_NOTEBOOK (widget);
if (notebook->cur_page &&
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GTK_WIDGET_VISIBLE (notebook->cur_page->child) &&
!GTK_WIDGET_MAPPED (notebook->cur_page->child))
gtk_widget_map (notebook->cur_page->child);
if (notebook->scrollable)
gtk_notebook_pages_allocate (notebook, &(widget->allocation));
else
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{
children = notebook->children;
while (children)
{
page = children->data;
children = children->next;
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if (page->tab_label &&
GTK_WIDGET_VISIBLE (page->child) &&
!GTK_WIDGET_MAPPED (page->tab_label))
gtk_widget_map (page->tab_label);
}
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}
}
static void
gtk_notebook_unmap (GtkWidget *widget)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
gdk_window_hide (widget->window);
if (GTK_NOTEBOOK (widget)->panel)
gdk_window_hide (GTK_NOTEBOOK (widget)->panel);
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}
static void
gtk_notebook_realize (GtkWidget *widget)
{
GtkNotebook *notebook;
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
notebook = GTK_NOTEBOOK (widget);
GTK_WIDGET_SET_FLAGS (notebook, GTK_REALIZED);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK;
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attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
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gdk_window_set_user_data (widget->window, notebook);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
if (notebook->scrollable)
gtk_notebook_panel_realize (notebook);
}
static void
gtk_notebook_panel_realize (GtkNotebook *notebook)
{
GtkWidget *widget;
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
widget = GTK_WIDGET (notebook);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_ENTER_NOTIFY_MASK
| GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
attributes.width = 2 * ARROW_SIZE + ARROW_SPACING;
attributes.height = ARROW_SIZE;
attributes.x = widget->allocation.width - attributes.width -
GTK_CONTAINER (notebook)->border_width;
attributes.y = widget->allocation.height - ARROW_SIZE -
GTK_CONTAINER (notebook)->border_width;
if (notebook->tab_pos == GTK_POS_TOP)
attributes.y = GTK_CONTAINER (notebook)->border_width;
else if (notebook->tab_pos == GTK_POS_LEFT)
attributes.x = widget->allocation.x
+ GTK_CONTAINER (notebook)->border_width;
notebook->panel = gdk_window_new (widget->window, &attributes,
attributes_mask);
gtk_style_set_background (widget->style, notebook->panel,
GTK_STATE_NORMAL);
gdk_window_set_user_data (notebook->panel, widget);
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}
static void
gtk_notebook_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
g_return_if_fail (requisition != NULL);
notebook = GTK_NOTEBOOK (widget);
widget->requisition.width = 0;
widget->requisition.height = 0;
children = notebook->children;
while (children)
{
page = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (page->child))
{
gtk_widget_size_request (page->child, &page->child->requisition);
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widget->requisition.width = MAX (widget->requisition.width,
page->child->requisition.width);
widget->requisition.height = MAX (widget->requisition.height,
page->child->requisition.height);
}
}
if (notebook->show_border || notebook->show_tabs)
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{
widget->requisition.width += widget->style->klass->xthickness * 2;
widget->requisition.height += widget->style->klass->ythickness * 2;
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if (notebook->show_tabs)
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{
gint tab_width = 0;
gint tab_height = 0;
gint tab_max = 0;
children = notebook->children;
while (children)
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{
page = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (page->child))
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{
gtk_widget_size_request (page->tab_label,
&page->tab_label->requisition);
page->requisition.width =
(page->tab_label->requisition.width +
(widget->style->klass->xthickness + notebook->tab_border)
* 2);
page->requisition.height =
(page->tab_label->requisition.height +
(widget->style->klass->ythickness + notebook->tab_border)
* 2);
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
page->requisition.width -= TAB_OVERLAP;
tab_width += page->requisition.width;
tab_height = MAX (tab_height, page->requisition.height);
tab_max = MAX (tab_max, page->requisition.width);
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
page->requisition.height -= TAB_OVERLAP;
tab_width = MAX (tab_width, page->requisition.width);
tab_height += page->requisition.height;
tab_max = MAX (tab_max, page->requisition.height);
break;
}
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}
}
children = notebook->children;
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if (children && children->next && notebook->scrollable)
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{
if ((notebook->tab_pos == GTK_POS_TOP) ||
(notebook->tab_pos == GTK_POS_BOTTOM))
{
if (widget->requisition.width < tab_width)
{
tab_width = tab_max + 2 * (ARROW_SIZE + ARROW_SPACING);
tab_height = MAX (tab_height, ARROW_SIZE);
}
}
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else
{
if (widget->requisition.height < tab_height)
{
tab_height = tab_max + ARROW_SIZE + ARROW_SPACING;
tab_width = MAX (tab_width,
ARROW_SPACING + 2 * ARROW_SIZE);
}
}
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}
while (children)
{
page = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (page->child))
{
if ((notebook->tab_pos == GTK_POS_TOP) ||
(notebook->tab_pos == GTK_POS_BOTTOM))
page->requisition.height = tab_height;
else
page->requisition.width = tab_width;
}
}
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
tab_width += widget->style->klass->xthickness;
widget->requisition.width = MAX (widget->requisition.width,
tab_width);
widget->requisition.height += tab_height;
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
tab_height += widget->style->klass->ythickness;
widget->requisition.width += tab_width;
widget->requisition.height = MAX (widget->requisition.height,
tab_height);
break;
}
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}
}
widget->requisition.width += GTK_CONTAINER (widget)->border_width * 2;
widget->requisition.height += GTK_CONTAINER (widget)->border_width * 2;
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}
static void
gtk_notebook_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GtkAllocation child_allocation;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
g_return_if_fail (allocation != NULL);
widget->allocation = *allocation;
if (GTK_WIDGET_REALIZED (widget))
gdk_window_move_resize (widget->window,
allocation->x, allocation->y,
allocation->width, allocation->height);
notebook = GTK_NOTEBOOK (widget);
if (notebook->children)
{
child_allocation.x = GTK_CONTAINER (widget)->border_width;
child_allocation.y = GTK_CONTAINER (widget)->border_width;
child_allocation.width = MAX (1, allocation->width - child_allocation.x * 2);
child_allocation.height = MAX (1, allocation->height - child_allocation.y * 2);
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if (notebook->show_tabs || notebook->show_border)
{
child_allocation.x += widget->style->klass->xthickness;
child_allocation.y += widget->style->klass->ythickness;
child_allocation.width = MAX (1,
child_allocation.width - widget->style->klass->xthickness * 2);
child_allocation.height = MAX (1,
child_allocation.height - widget->style->klass->ythickness * 2);
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if (notebook->show_tabs && notebook->children)
{
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
child_allocation.y += notebook->cur_page->requisition.height;
case GTK_POS_BOTTOM:
child_allocation.height = MAX (1,
child_allocation.height - notebook->cur_page->requisition.height);
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break;
case GTK_POS_LEFT:
child_allocation.x += notebook->cur_page->requisition.width;
case GTK_POS_RIGHT:
child_allocation.width = MAX (1,
child_allocation.width - notebook->cur_page->requisition.width);
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break;
}
}
}
children = notebook->children;
while (children)
{
page = children->data;
children = children->next;
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if (GTK_WIDGET_VISIBLE (page->child))
gtk_widget_size_allocate (page->child, &child_allocation);
}
gtk_notebook_pages_allocate (notebook, allocation);
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}
}
static void
gtk_notebook_paint (GtkWidget *widget,
GdkRectangle *area)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GList *children;
GdkPoint points[6];
gint width, height;
gint x, y;
gint showarrow;
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g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_DRAWABLE (widget))
{
notebook = GTK_NOTEBOOK (widget);
gdk_window_clear_area (widget->window,
area->x, area->y,
area->width, area->height);
if (notebook->show_tabs || notebook->show_border)
{
x = GTK_CONTAINER (widget)->border_width;
y = GTK_CONTAINER (widget)->border_width;
width = widget->allocation.width - x * 2;
height = widget->allocation.height - y * 2;
if (notebook->show_tabs && notebook->children)
{
if (!GTK_WIDGET_MAPPED (notebook->cur_page->tab_label))
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{
GtkNotebookPage *page;
page = notebook->first_tab->data;
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
y += page->allocation.height +
widget->style->klass->ythickness;
case GTK_POS_BOTTOM:
height -= page->allocation.height +
widget->style->klass->ythickness;
break;
case GTK_POS_LEFT:
x += page->allocation.width +
widget->style->klass->xthickness;
case GTK_POS_RIGHT:
width -= page->allocation.width +
widget->style->klass->xthickness;
break;
}
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, GTK_SHADOW_OUT,
x, y, width, height);
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}
else
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{
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
y += notebook->cur_page->allocation.height;
case GTK_POS_BOTTOM:
height -= notebook->cur_page->allocation.height;
break;
case GTK_POS_LEFT:
x += notebook->cur_page->allocation.width;
case GTK_POS_RIGHT:
width -= notebook->cur_page->allocation.width;
break;
}
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
points[0].x = notebook->cur_page->allocation.x;
points[0].y = y;
points[1].x = x;
points[1].y = y;
points[2].x = x;
points[2].y = y + height - 1;
points[3].x = x + width - 1;
points[3].y = y + height - 1;
points[4].x = x + width - 1;
points[4].y = y;
points[5].x = (notebook->cur_page->allocation.x +
notebook->cur_page->allocation.width -
widget->style->klass->xthickness);
points[5].y = y;
if (points[5].x == (x + width))
points[5].x -= 1;
break;
case GTK_POS_BOTTOM:
points[0].x = (notebook->cur_page->allocation.x +
notebook->cur_page->allocation.width -
widget->style->klass->xthickness);
points[0].y = y + height - 1;
points[1].x = x + width - 1;
points[1].y = y + height - 1;
points[2].x = x + width - 1;
points[2].y = y;
points[3].x = x;
points[3].y = y;
points[4].x = x;
points[4].y = y + height - 1;
points[5].x = notebook->cur_page->allocation.x;
points[5].y = y + height - 1;
if (points[0].x == (x + width))
points[0].x -= 1;
break;
case GTK_POS_LEFT:
points[0].x = x;
points[0].y = (notebook->cur_page->allocation.y +
notebook->cur_page->allocation.height -
widget->style->klass->ythickness);
points[1].x = x;
points[1].y = y + height - 1;
points[2].x = x + width - 1;
points[2].y = y + height - 1;
points[3].x = x + width - 1;
points[3].y = y;
points[4].x = x;
points[4].y = y;
points[5].x = x;
points[5].y = notebook->cur_page->allocation.y;
if (points[0].y == (y + height))
points[0].y -= 1;
break;
case GTK_POS_RIGHT:
points[0].x = x + width - 1;
points[0].y = notebook->cur_page->allocation.y;
points[1].x = x + width - 1;
points[1].y = y;
points[2].x = x;
points[2].y = y;
points[3].x = x;
points[3].y = y + height - 1;
points[4].x = x + width - 1;
points[4].y = y + height - 1;
points[5].x = x + width - 1;
points[5].y = (notebook->cur_page->allocation.y +
notebook->cur_page->allocation.height -
widget->style->klass->ythickness);
if (points[5].y == (y + height))
points[5].y -= 1;
break;
}
gtk_draw_polygon (widget->style, widget->window,
GTK_STATE_NORMAL, GTK_SHADOW_OUT,
points, 6, FALSE);
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}
children = g_list_last (notebook->children);
showarrow = FALSE;
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while (children)
{
page = children->data;
children = children->prev;
if (!GTK_WIDGET_MAPPED (page->tab_label))
showarrow = TRUE;
else if (notebook->cur_page != page)
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gtk_notebook_draw_tab (notebook, page, area);
}
if (showarrow && notebook->scrollable && notebook->show_tabs)
{
gtk_notebook_draw_arrow (notebook, GTK_ARROW_LEFT);
gtk_notebook_draw_arrow (notebook, GTK_ARROW_RIGHT);
}
if (notebook->cur_page &&
GTK_WIDGET_MAPPED(((GtkNotebookPage *)
(notebook->cur_page))->tab_label))
1997-11-24 22:37:52 +00:00
gtk_notebook_draw_tab (notebook, notebook->cur_page, area);
}
else if (notebook->show_border)
{
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, GTK_SHADOW_OUT,
x, y, width, height);
}
}
}
}
static void
gtk_notebook_draw (GtkWidget *widget,
GdkRectangle *area)
{
GtkNotebook *notebook;
GdkRectangle child_area;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_DRAWABLE (widget))
{
notebook = GTK_NOTEBOOK (widget);
gtk_notebook_paint (widget, area);
gtk_widget_draw_focus (widget);
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if (notebook->cur_page &&
gtk_widget_intersect (notebook->cur_page->child, area, &child_area))
gtk_widget_draw (notebook->cur_page->child, &child_area);
}
}
static gint
gtk_notebook_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GtkNotebook *notebook;
GdkEventExpose child_event;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
{
notebook = GTK_NOTEBOOK (widget);
gtk_notebook_paint (widget, &event->area);
gtk_widget_draw_focus (widget);
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child_event = *event;
if (notebook->cur_page &&
GTK_WIDGET_NO_WINDOW (notebook->cur_page->child) &&
gtk_widget_intersect (notebook->cur_page->child, &event->area,
&child_event.area))
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gtk_widget_event (notebook->cur_page->child, (GdkEvent*) &child_event);
}
return FALSE;
}
static gint
gtk_notebook_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkNotebook *notebook;
GtkNotebookPage *page;
GList *children;
gint num;
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g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
notebook = GTK_NOTEBOOK (widget);
if (event->type != GDK_BUTTON_PRESS || !notebook->children
|| notebook->button)
return FALSE;
if (!GTK_WIDGET_HAS_FOCUS (widget) && !(GTK_CONTAINER (widget)->focus_child))
gtk_widget_grab_focus (widget);
if (event->window == notebook->panel)
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{
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
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gtk_grab_add (widget);
notebook->button = event->button;
if (event->x <= ARROW_SIZE + ARROW_SPACING / 2)
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{
notebook->click_child = GTK_ARROW_LEFT;
if (event->button == 1)
{
gtk_container_focus (GTK_CONTAINER (notebook), GTK_DIR_LEFT);
if (!notebook->timer)
{
notebook->timer = gtk_timeout_add
(NOTEBOOK_INIT_SCROLL_DELAY,
(GtkFunction) gtk_notebook_timer, (gpointer) notebook);
notebook->need_timer = TRUE;
}
}
else if (event->button == 2)
gtk_notebook_page_select (GTK_NOTEBOOK (widget));
else if (event->button == 3)
gtk_notebook_switch_focus_tab (notebook, notebook->children);
gtk_notebook_draw_arrow (notebook, GTK_ARROW_LEFT);
}
else
{
notebook->click_child = GTK_ARROW_RIGHT;
if (event->button == 1)
{
gtk_container_focus (GTK_CONTAINER (notebook), GTK_DIR_RIGHT);
if (!notebook->timer)
{
notebook->timer = gtk_timeout_add
(NOTEBOOK_INIT_SCROLL_DELAY,
(GtkFunction) gtk_notebook_timer, (gpointer) notebook);
notebook->need_timer = TRUE;
}
}
else if (event->button == 2)
gtk_notebook_page_select (GTK_NOTEBOOK (widget));
else if (event->button == 3)
gtk_notebook_switch_focus_tab (notebook,
g_list_last (notebook->children));
gtk_notebook_draw_arrow (notebook, GTK_ARROW_RIGHT);
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}
}
else if (event->window == widget->window)
{
if (event->button == 3 && notebook->menu)
{
gtk_menu_popup (GTK_MENU (notebook->menu), NULL, NULL,
NULL, NULL, 3, event->time);
return FALSE;
}
num = 0;
children = notebook->children;
while (children)
{
page = children->data;
if (GTK_WIDGET_VISIBLE (page->child) &&
page->tab_label && GTK_WIDGET_MAPPED (page->tab_label) &&
(event->x >= page->allocation.x) &&
(event->y >= page->allocation.y) &&
(event->x <= (page->allocation.x + page->allocation.width)) &&
(event->y <= (page->allocation.y + page->allocation.height)))
{
gtk_container_set_focus_child (GTK_CONTAINER (notebook), NULL);
if (page == notebook->cur_page &&
notebook->focus_tab != children &&
GTK_WIDGET_HAS_FOCUS (notebook))
{
GtkNotebookPage *old_page;
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old_page = (GtkNotebookPage *)
(notebook->focus_tab->data);
notebook->focus_tab = children;
gtk_notebook_focus_changed (notebook, old_page);
}
else
{
notebook->focus_tab = children;
gtk_notebook_switch_page (notebook, page, num);
gtk_widget_grab_focus (widget);
}
break;
}
children = children->next;
num++;
}
}
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return FALSE;
}
static gint
gtk_notebook_button_release (GtkWidget *widget,
GdkEventButton *event)
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{
GtkNotebook *notebook;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (event->type != GDK_BUTTON_RELEASE)
return FALSE;
notebook = GTK_NOTEBOOK (widget);
if (event->button == notebook->button)
{
guint click_child;
if (notebook->timer)
{
gtk_timeout_remove (notebook->timer);
notebook->timer = 0;
notebook->need_timer = FALSE;
}
gtk_grab_remove (widget);
click_child = notebook->click_child;
notebook->click_child = 0;
notebook->button = 0;
gtk_notebook_draw_arrow (notebook, click_child);
}
return FALSE;
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}
static gint
gtk_notebook_enter_notify (GtkWidget *widget,
GdkEventCrossing *event)
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{
GtkNotebook *notebook;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
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notebook = GTK_NOTEBOOK (widget);
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if (event->window == notebook->panel)
1997-11-24 22:37:52 +00:00
{
gint x;
gint y;
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gdk_window_get_pointer (notebook->panel, &x, &y, NULL);
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if (x <= ARROW_SIZE + ARROW_SPACING / 2)
{
notebook->in_child = GTK_ARROW_LEFT;
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if (notebook->click_child == 0)
gtk_notebook_draw_arrow (notebook, GTK_ARROW_LEFT);
}
else
{
notebook->in_child = GTK_ARROW_RIGHT;
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if (notebook->click_child == 0)
gtk_notebook_draw_arrow (notebook, GTK_ARROW_RIGHT);
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}
}
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return FALSE;
}
static gint
gtk_notebook_leave_notify (GtkWidget *widget,
GdkEventCrossing *event)
{
GtkNotebook *notebook;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
notebook = GTK_NOTEBOOK (widget);
if (event->window == notebook->panel && !notebook->click_child)
{
if (notebook->in_child == GTK_ARROW_LEFT)
{
notebook->in_child = 0;
gtk_notebook_draw_arrow (notebook,GTK_ARROW_LEFT);
}
else
{
notebook->in_child = 0;
gtk_notebook_draw_arrow (notebook,GTK_ARROW_RIGHT);
}
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}
return FALSE;
1997-11-24 22:37:52 +00:00
}
static gint
gtk_notebook_motion_notify (GtkWidget *widget,
GdkEventMotion *event)
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{
GtkNotebook *notebook;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
1997-11-24 22:37:52 +00:00
notebook = GTK_NOTEBOOK (widget);
if (notebook->button)
return FALSE;
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if (event->window == notebook->panel)
1997-11-24 22:37:52 +00:00
{
gint x;
x = event->x;
if (event->is_hint)
gdk_window_get_pointer (notebook->panel, &x, NULL, NULL);
if (x <= ARROW_SIZE + ARROW_SPACING / 2 &&
notebook->in_child == GTK_ARROW_RIGHT)
{
notebook->in_child = GTK_ARROW_LEFT;
gtk_notebook_draw_arrow (notebook, GTK_ARROW_LEFT);
gtk_notebook_draw_arrow (notebook, GTK_ARROW_RIGHT);
}
else if (x > ARROW_SIZE + ARROW_SPACING / 2 &&
notebook->in_child == GTK_ARROW_LEFT)
{
notebook->in_child = GTK_ARROW_RIGHT;
gtk_notebook_draw_arrow (notebook, GTK_ARROW_RIGHT);
gtk_notebook_draw_arrow (notebook, GTK_ARROW_LEFT);
}
return FALSE;
}
return FALSE;
}
1997-11-24 22:37:52 +00:00
static gint
gtk_notebook_timer (GtkNotebook *notebook)
{
g_return_val_if_fail (notebook != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE);
if (notebook->timer)
{
if (notebook->click_child == GTK_ARROW_LEFT)
gtk_container_focus (GTK_CONTAINER (notebook), GTK_DIR_LEFT);
else if (notebook->click_child == GTK_ARROW_RIGHT)
gtk_container_focus (GTK_CONTAINER (notebook), GTK_DIR_RIGHT);
if (notebook->need_timer)
{
notebook->need_timer = FALSE;
notebook->timer = gtk_timeout_add
(NOTEBOOK_SCROLL_DELAY, (GtkFunction) gtk_notebook_timer,
(gpointer) notebook);
return FALSE;
}
return TRUE;
}
return FALSE;
}
static void
gtk_notebook_draw_arrow (GtkNotebook *notebook, guint arrow)
{
GtkStateType state_type;
GtkShadowType shadow_type;
GtkWidget *widget;
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
widget = GTK_WIDGET(notebook);
if (GTK_WIDGET_DRAWABLE (notebook))
{
if (notebook->in_child == arrow)
{
if (notebook->click_child == arrow)
state_type = GTK_STATE_ACTIVE;
else
state_type = GTK_STATE_PRELIGHT;
}
else
state_type = GTK_STATE_NORMAL;
if (notebook->click_child == arrow)
shadow_type = GTK_SHADOW_IN;
else
shadow_type = GTK_SHADOW_OUT;
if (arrow == GTK_ARROW_LEFT)
{
if (notebook->tab_pos == GTK_POS_LEFT ||
notebook->tab_pos == GTK_POS_RIGHT)
arrow = GTK_ARROW_UP;
gtk_draw_arrow (widget->style, notebook->panel, state_type,
shadow_type, arrow, TRUE,
0, 0, ARROW_SIZE, ARROW_SIZE);
}
else
{
if (notebook->tab_pos == GTK_POS_LEFT ||
notebook->tab_pos == GTK_POS_RIGHT)
arrow = GTK_ARROW_DOWN;
gtk_draw_arrow (widget->style, notebook->panel, state_type,
shadow_type, arrow, TRUE, ARROW_SIZE + ARROW_SPACING,
0, ARROW_SIZE, ARROW_SIZE);
}
1997-11-24 22:37:52 +00:00
}
}
static void
gtk_real_notebook_switch_page (GtkNotebook *notebook,
GtkNotebookPage *page)
1997-11-24 22:37:52 +00:00
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
1997-11-24 22:37:52 +00:00
g_return_if_fail (page != NULL);
if (notebook->cur_page == page)
return;
if (notebook->cur_page && GTK_WIDGET_MAPPED (notebook->cur_page->child))
gtk_widget_unmap (notebook->cur_page->child);
notebook->cur_page = page;
if (notebook->focus_tab->data != (gpointer) notebook->cur_page)
notebook->focus_tab =
g_list_find (notebook->children, notebook->cur_page);
1997-11-24 22:37:52 +00:00
gtk_notebook_pages_allocate (notebook, &GTK_WIDGET (notebook)->allocation);
1997-11-24 22:37:52 +00:00
if (GTK_WIDGET_MAPPED (notebook))
{
if (GTK_WIDGET_REALIZED (notebook->cur_page->child))
gtk_widget_map (notebook->cur_page->child);
else
1997-12-02 03:43:24 +00:00
{
gtk_widget_map (notebook->cur_page->child);
gtk_widget_size_allocate (GTK_WIDGET (notebook),
&GTK_WIDGET (notebook)->allocation);
1997-12-02 03:43:24 +00:00
}
1997-11-24 22:37:52 +00:00
}
if (GTK_WIDGET_DRAWABLE (notebook))
gtk_widget_queue_draw (GTK_WIDGET (notebook));
1997-11-24 22:37:52 +00:00
}
static void
gtk_notebook_draw_tab (GtkNotebook *notebook,
GtkNotebookPage *page,
GdkRectangle *area)
{
GdkRectangle child_area;
GdkRectangle page_area;
GtkStateType state_type;
GdkPoint points[6];
gint n = 0;
1997-11-24 22:37:52 +00:00
g_return_if_fail (notebook != NULL);
g_return_if_fail (page != NULL);
g_return_if_fail (area != NULL);
if (!GTK_WIDGET_MAPPED (page->tab_label))
return;
1997-11-24 22:37:52 +00:00
page_area.x = page->allocation.x;
page_area.y = page->allocation.y;
page_area.width = page->allocation.width;
page_area.height = page->allocation.height;
if (gdk_rectangle_intersect (&page_area, area, &child_area))
{
GtkWidget *widget;
1997-11-24 22:37:52 +00:00
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
if (child_area.x + child_area.width >
page->allocation.x + page->allocation.width - TAB_OVERLAP)
{
points[0].x = page->allocation.x + page->allocation.width - 1;
points[0].y = page->allocation.y + page->allocation.height - 1;
1997-11-24 22:37:52 +00:00
points[1].x = page->allocation.x + page->allocation.width - 1;
points[1].y = page->allocation.y + TAB_CURVATURE;
1997-11-24 22:37:52 +00:00
points[2].x = page->allocation.x + page->allocation.width
- TAB_CURVATURE - 1;
points[2].y = page->allocation.y;
n = 3;
}
else
{
points[0].x = page->allocation.x + page->allocation.width
- TAB_OVERLAP - 1;
points[0].y = page->allocation.y;
n = 1;
}
if ( (child_area.x < page->allocation.x + TAB_OVERLAP) &&
(page == notebook->cur_page ||
page == (GtkNotebookPage *)(notebook->children->data) ||
(notebook->scrollable &&
page == (GtkNotebookPage *)(notebook->first_tab->data))) )
{
points[n].x = page->allocation.x + TAB_CURVATURE;
points[n++].y = page->allocation.y;
points[n].x = page->allocation.x;
points[n++].y = page->allocation.y + TAB_CURVATURE;
points[n].x = page->allocation.x;
points[n++].y = page->allocation.y + page->allocation.height - 1;
}
else
{
points[n].x = page->allocation.x + TAB_OVERLAP;
points[n++].y = page->allocation.y;
}
1997-11-24 22:37:52 +00:00
break;
case GTK_POS_BOTTOM:
if ( (child_area.x < page->allocation.x + TAB_OVERLAP) &&
(page == notebook->cur_page ||
page == (GtkNotebookPage *)(notebook->children->data) ||
(notebook->scrollable &&
page == (GtkNotebookPage *)(notebook->first_tab->data))) )
{
points[0].x = page->allocation.x;
points[0].y = page->allocation.y;
1997-11-24 22:37:52 +00:00
points[1].x = page->allocation.x;
points[1].y = page->allocation.y + page->allocation.height
- TAB_CURVATURE - 1;
1997-11-24 22:37:52 +00:00
points[2].x = page->allocation.x + TAB_CURVATURE;
points[2].y = page->allocation.y + page->allocation.height - 1;
n = 3;
}
else
{
points[0].x = page->allocation.x + TAB_OVERLAP;
points[0].y = page->allocation.y + page->allocation.height - 1;
n = 1;
}
1997-11-24 22:37:52 +00:00
if (child_area.x + child_area.width >
page->allocation.x + page->allocation.width - TAB_OVERLAP)
{
points[n].x = page->allocation.x + page->allocation.width
- TAB_CURVATURE - 1;
points[n++].y = page->allocation.y + page->allocation.height - 1;
points[n].x = page->allocation.x + page->allocation.width - 1;
points[n++].y = page->allocation.y + page->allocation.height
- TAB_CURVATURE - 1;
points[n].x = page->allocation.x + page->allocation.width - 1;
points[n++].y = page->allocation.y;
}
else
{
points[n].x = page->allocation.x + page->allocation.width
- TAB_OVERLAP - 1;
points[n++].y = page->allocation.y + page->allocation.height - 1;
}
1997-11-24 22:37:52 +00:00
break;
case GTK_POS_LEFT:
if ( (child_area.y < page->allocation.y + TAB_OVERLAP) &&
(page == notebook->cur_page ||
page == (GtkNotebookPage *)(notebook->children->data) ||
(notebook->scrollable &&
page == (GtkNotebookPage *)(notebook->first_tab->data))) )
{
points[0].x = page->allocation.x + page->allocation.width - 1;
points[0].y = page->allocation.y;
points[1].x = page->allocation.x + TAB_CURVATURE;
points[1].y = page->allocation.y;
points[2].x = page->allocation.x;
points[2].y = page->allocation.y + TAB_CURVATURE;
n = 3;
}
else
{
points[0].x = page->allocation.x;
points[0].y = page->allocation.y + TAB_OVERLAP;
n = 1;
}
1997-11-24 22:37:52 +00:00
if (child_area.y + child_area.height >
page->allocation.y + page->allocation.height - TAB_OVERLAP)
{
points[n].x = page->allocation.x;
points[n++].y = page->allocation.y + page->allocation.height
- TAB_CURVATURE - 1;
1997-11-24 22:37:52 +00:00
points[n].x = page->allocation.x + TAB_CURVATURE;
points[n++].y = page->allocation.y + page->allocation.height - 1;
1997-11-24 22:37:52 +00:00
points[n].x = page->allocation.x + page->allocation.width - 1;
points[n++].y = page->allocation.y + page->allocation.height - 1;
}
else
{
points[n].x = page->allocation.x;
points[n++].y = page->allocation.y + page->allocation.height
- TAB_OVERLAP - 1;
}
1997-11-24 22:37:52 +00:00
break;
case GTK_POS_RIGHT:
if (child_area.y + child_area.height >
page->allocation.y + page->allocation.height - TAB_OVERLAP)
{
points[0].x = page->allocation.x;
points[0].y = page->allocation.y + page->allocation.height - 1;
points[1].x = page->allocation.x + page->allocation.width
- TAB_CURVATURE - 1;
points[1].y = page->allocation.y + page->allocation.height - 1;
points[2].x = page->allocation.x + page->allocation.width - 1;
points[2].y = page->allocation.y + page->allocation.height
- TAB_CURVATURE - 1;
n = 3;
}
else
{
points[0].x = page->allocation.x + page->allocation.width - 1;
points[0].y = page->allocation.y + page->allocation.height
- TAB_OVERLAP - 1;
n = 1;
}
1997-11-24 22:37:52 +00:00
if ( (child_area.y < page->allocation.y + TAB_OVERLAP) &&
(page == notebook->cur_page ||
page == (GtkNotebookPage *)(notebook->children->data) ||
(notebook->scrollable &&
page == (GtkNotebookPage *)(notebook->first_tab->data))) )
{
points[n].x = page->allocation.x + page->allocation.width - 1;
points[n++].y = page->allocation.y + TAB_CURVATURE;
1997-11-24 22:37:52 +00:00
points[n].x = page->allocation.x + page->allocation.width
- TAB_CURVATURE - 1;
points[n++].y = page->allocation.y;
1997-11-24 22:37:52 +00:00
points[n].x = page->allocation.x;
points[n++].y = page->allocation.y;
}
else
{
points[n].x = page->allocation.x + page->allocation.width - 1;
points[n++].y = page->allocation.y + TAB_OVERLAP;
}
1997-11-24 22:37:52 +00:00
break;
}
widget = GTK_WIDGET(notebook);
1997-11-24 22:37:52 +00:00
if (notebook->cur_page == page)
{
state_type = GTK_STATE_NORMAL;
}
else
{
state_type = GTK_STATE_ACTIVE;
gdk_draw_rectangle (widget->window, widget->style->bg_gc[state_type],
TRUE, child_area.x, child_area.y,
child_area.width, child_area.height);
}
gtk_draw_polygon (widget->style, widget->window, state_type,
GTK_SHADOW_OUT, points, n, FALSE);
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if (gtk_widget_intersect (page->tab_label, area, &child_area))
gtk_widget_draw (page->tab_label, &child_area);
}
}
static gint
gtk_notebook_focus_in (GtkWidget *widget,
GdkEventFocus *event)
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{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
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if (GTK_CONTAINER (widget)->focus_child)
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{
if (gtk_notebook_page_select (GTK_NOTEBOOK (widget)))
return FALSE;
else
gtk_container_set_focus_child (GTK_CONTAINER (widget), NULL);
}
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GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
gtk_widget_draw_focus (widget);
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return FALSE;
}
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static gint
gtk_notebook_focus_out (GtkWidget *widget,
GdkEventFocus *event)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
gtk_widget_draw_focus (widget);
return FALSE;
}
static void
gtk_notebook_draw_focus (GtkWidget *widget)
{
GtkNotebook *notebook;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
notebook = GTK_NOTEBOOK (widget);
if (GTK_WIDGET_DRAWABLE (widget) && notebook->show_tabs &&
notebook->focus_tab)
{
GtkNotebookPage *page;
GdkGC *gc;
page = notebook->focus_tab->data;
if (GTK_WIDGET_HAS_FOCUS (widget))
gc = widget->style->black_gc;
else if (page == notebook->cur_page)
gc = widget->style->bg_gc[GTK_STATE_NORMAL];
else
gc = widget->style->bg_gc[GTK_STATE_ACTIVE];
gdk_draw_rectangle (widget->window,
gc, FALSE,
page->tab_label->allocation.x - 1,
page->tab_label->allocation.y - 1,
page->tab_label->allocation.width + 1,
page->tab_label->allocation.height + 1);
}
}
static void
gtk_notebook_focus_changed (GtkNotebook *notebook, GtkNotebookPage *old_page)
{
GtkWidget *widget;
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (old_page != NULL);
widget = GTK_WIDGET (notebook);
if (GTK_WIDGET_DRAWABLE (widget) && notebook->show_tabs &&
notebook->focus_tab)
{
GtkNotebookPage *page;
GdkGC *gc;
page = notebook->focus_tab->data;
if (GTK_WIDGET_HAS_FOCUS (widget))
gc = widget->style->black_gc;
else if (page == notebook->cur_page)
gc = widget->style->bg_gc[GTK_STATE_NORMAL];
else
gc = widget->style->bg_gc[GTK_STATE_ACTIVE];
gdk_draw_rectangle (widget->window,
gc, FALSE,
page->tab_label->allocation.x - 1,
page->tab_label->allocation.y - 1,
page->tab_label->allocation.width + 1,
page->tab_label->allocation.height + 1);
if (old_page == notebook->cur_page)
gc = widget->style->bg_gc[GTK_STATE_NORMAL];
else
gc = widget->style->bg_gc[GTK_STATE_ACTIVE];
gdk_draw_rectangle (widget->window,
gc, FALSE,
old_page->tab_label->allocation.x - 1,
old_page->tab_label->allocation.y - 1,
old_page->tab_label->allocation.width + 1,
old_page->tab_label->allocation.height + 1);
}
}
static void
gtk_notebook_calc_tabs (GtkNotebook *notebook,
GList *start,
GList **end,
gint *tab_space,
guint direction)
{
GtkNotebookPage *page = NULL;
GList *children;
children = start;
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
while (children)
{
page = children->data;
*tab_space -= page->requisition.width;
if (*tab_space < 0 || children == *end)
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{
if (*tab_space < 0)
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{
*tab_space = - (*tab_space + page->requisition.width);
*end = children;
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}
break;
}
if (direction == STEP_NEXT)
children = children->next;
else
children = children->prev;
}
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
while (children)
{
page = children->data;
*tab_space -= page->requisition.height;
if (*tab_space < 0 || children == *end)
{
if (*tab_space < 0)
{
*tab_space = - (*tab_space + page->requisition.height);
*end = children;
}
break;
}
if (direction == STEP_NEXT)
children = children->next;
else
children = children->prev;
}
break;
}
}
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static void
gtk_notebook_pages_allocate (GtkNotebook *notebook,
GtkAllocation *allocation)
{
GtkWidget *widget;
GtkContainer *container;
GtkNotebookPage *page = NULL;
GtkAllocation child_allocation;
GList *children;
GList *last_child = NULL;
gint showarrow = FALSE;
gint tab_space = 0;
gint x = 0;
gint y = 0;
gint i;
gint n = 1;
gint old_fill = 0;
gint new_fill = 0;
if (!notebook->show_tabs || !notebook->children)
return;
widget = GTK_WIDGET (notebook);
container = GTK_CONTAINER (notebook);
child_allocation.x = container->border_width;
child_allocation.y = container->border_width;
switch (notebook->tab_pos)
{
case GTK_POS_BOTTOM:
child_allocation.y = (allocation->height -
notebook->cur_page->requisition.height -
container->border_width);
case GTK_POS_TOP:
child_allocation.height = notebook->cur_page->requisition.height;
break;
case GTK_POS_RIGHT:
child_allocation.x = (allocation->width -
notebook->cur_page->requisition.width -
container->border_width);
case GTK_POS_LEFT:
child_allocation.width = notebook->cur_page->requisition.width;
break;
}
if (notebook->scrollable)
{
children = notebook->children;
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
while (children)
{
page = children->data;
children = children->next;
tab_space += page->requisition.width;
}
if (tab_space > allocation->width - 2 * container->border_width - TAB_OVERLAP)
{
showarrow = TRUE;
page = notebook->focus_tab->data;
tab_space = (allocation->width - TAB_OVERLAP - page->requisition.width -
2 * (container->border_width + ARROW_SPACING + ARROW_SIZE));
x = allocation->width - 2 * ARROW_SIZE - ARROW_SPACING - container->border_width;
page = notebook->children->data;
if (notebook->tab_pos == GTK_POS_TOP)
y = container->border_width + (page->requisition.height - ARROW_SIZE) / 2;
else
y = (allocation->height - container->border_width -
ARROW_SIZE - (page->requisition.height - ARROW_SIZE) / 2);
}
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
while (children)
{
page = children->data;
children = children->next;
tab_space += page->requisition.height;
}
if (tab_space > (allocation->height - 2 * container->border_width - TAB_OVERLAP))
{
showarrow = TRUE;
page = notebook->focus_tab->data;
tab_space = (allocation->height -
ARROW_SIZE - ARROW_SPACING - TAB_OVERLAP -
2 * container->border_width - page->requisition.height);
y = allocation->height - container->border_width - ARROW_SIZE;
page = notebook->children->data;
if (notebook->tab_pos == GTK_POS_LEFT)
x = (container->border_width +
(page->requisition.width - (2 * ARROW_SIZE - ARROW_SPACING)) / 2);
else
x = (allocation->width - container->border_width -
(2 * ARROW_SIZE - ARROW_SPACING) -
(page->requisition.width - (2 * ARROW_SIZE - ARROW_SPACING)) / 2);
}
break;
}
if (showarrow) /* first_tab <- focus_tab */
{
children = notebook->focus_tab->prev;
while (children)
{
if (notebook->first_tab == children)
break;
children = children->prev;
}
if (!children)
notebook->first_tab = notebook->focus_tab;
else
gtk_notebook_calc_tabs (notebook, notebook->focus_tab->prev,
&(notebook->first_tab), &tab_space,
STEP_PREV);
if (tab_space <= 0)
{
notebook->first_tab = notebook->first_tab->next;
if (!notebook->first_tab)
notebook->first_tab = notebook->focus_tab;
last_child = notebook->focus_tab->next;
}
else /* focus_tab -> end */
{
if (!notebook->first_tab)
notebook->first_tab = notebook->children;
children = NULL;
gtk_notebook_calc_tabs (notebook, notebook->focus_tab->next,
&children, &tab_space, STEP_NEXT);
if (tab_space <= 0)
last_child = children;
else /* start <- first_tab */
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{
last_child = NULL;
children = NULL;
gtk_notebook_calc_tabs (notebook,notebook->first_tab->prev,
&children, &tab_space, STEP_PREV);
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if (children)
notebook->first_tab = children->next;
else
notebook->first_tab = notebook->children;
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}
}
if (GTK_WIDGET_REALIZED (notebook))
{
gdk_window_move (notebook->panel, x, y);
gdk_window_show (notebook->panel);
}
if (tab_space < 0)
{
tab_space = -tab_space;
n = 0;
children = notebook->first_tab;
while (children != last_child)
{
children = children->next;
n++;
}
}
else
tab_space = 0;
children = notebook->children;
while (children != notebook->first_tab)
{
page = children->data;
children = children->next;
if (page->tab_label && GTK_WIDGET_MAPPED (page->tab_label))
gtk_widget_unmap (page->tab_label);
}
children = last_child;
while (children)
{
page = children->data;
children = children->next;
if (page->tab_label && GTK_WIDGET_MAPPED (page->tab_label))
gtk_widget_unmap (page->tab_label);
}
}
else /* !showarrow */
{
notebook->first_tab = notebook->children;
tab_space = 0;
if (GTK_WIDGET_REALIZED (notebook))
gdk_window_hide (notebook->panel);
}
children = notebook->first_tab;
}
else
children = notebook->children;
i = 1;
while (children != last_child)
{
page = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (page->child))
{
new_fill = (tab_space * i++) / n;
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
child_allocation.width = page->requisition.width + TAB_OVERLAP + new_fill - old_fill;
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
child_allocation.height = page->requisition.height + TAB_OVERLAP + new_fill - old_fill;
break;
}
old_fill = new_fill;
gtk_notebook_page_allocate (notebook, page, &child_allocation);
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
child_allocation.x += child_allocation.width - TAB_OVERLAP;
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
child_allocation.y += child_allocation.height - TAB_OVERLAP;
break;
}
if (GTK_WIDGET_REALIZED (notebook) &&
page->tab_label && !GTK_WIDGET_MAPPED (page->tab_label))
gtk_widget_map (page->tab_label);
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}
}
}
static void
gtk_notebook_page_allocate (GtkNotebook *notebook,
GtkNotebookPage *page,
GtkAllocation *allocation)
{
GtkAllocation child_allocation;
gint xthickness, ythickness;
g_return_if_fail (notebook != NULL);
g_return_if_fail (page != NULL);
g_return_if_fail (allocation != NULL);
page->allocation = *allocation;
xthickness = GTK_WIDGET (notebook)->style->klass->xthickness;
ythickness = GTK_WIDGET (notebook)->style->klass->ythickness;
if (notebook->cur_page != page)
{
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
page->allocation.y += ythickness;
case GTK_POS_BOTTOM:
page->allocation.height -= ythickness;
break;
case GTK_POS_LEFT:
page->allocation.x += xthickness;
case GTK_POS_RIGHT:
page->allocation.width -= xthickness;
break;
}
}
switch (notebook->tab_pos)
{
case GTK_POS_TOP:
child_allocation.x = xthickness + notebook->tab_border;
child_allocation.y = ythickness + notebook->tab_border + page->allocation.y;
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child_allocation.width = page->allocation.width - child_allocation.x * 2;
child_allocation.height = page->allocation.height - ythickness - 2 * notebook->tab_border;
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child_allocation.x += page->allocation.x;
break;
case GTK_POS_BOTTOM:
child_allocation.x = xthickness + notebook->tab_border;
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child_allocation.width = page->allocation.width - child_allocation.x * 2;
child_allocation.height = page->allocation.height - ythickness - 2 * notebook->tab_border;
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child_allocation.x += page->allocation.x;
child_allocation.y = page->allocation.y + notebook->tab_border;
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break;
case GTK_POS_LEFT:
child_allocation.x = xthickness + notebook->tab_border + page->allocation.x;
child_allocation.y = ythickness + notebook->tab_border;
child_allocation.width = page->allocation.width - xthickness - 2 * notebook->tab_border;
child_allocation.height = page->allocation.height - child_allocation.y * 2;
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child_allocation.y += page->allocation.y;
break;
case GTK_POS_RIGHT:
child_allocation.y = ythickness + notebook->tab_border;
child_allocation.width = page->allocation.width - xthickness - 2 * notebook->tab_border;
child_allocation.height = page->allocation.height - child_allocation.y * 2;
child_allocation.x = page->allocation.x + notebook->tab_border;
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child_allocation.y += page->allocation.y;
break;
}
if (page->tab_label)
gtk_widget_size_allocate (page->tab_label, &child_allocation);
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}
static void
gtk_notebook_menu_switch_page (GtkWidget *widget,
GtkNotebookPage *page)
{
GtkNotebook *notebook;
GList *children;
gint page_num;
g_return_if_fail (widget != NULL);
g_return_if_fail (page != NULL);
notebook = GTK_NOTEBOOK (gtk_menu_get_attach_widget
(GTK_MENU (widget->parent)));
if (notebook->cur_page == page)
return;
page_num = 0;
children = notebook->children;
while (children && children->data != page)
{
children = children->next;
page_num++;
}
gtk_signal_emit (GTK_OBJECT (notebook),
notebook_signals[SWITCH_PAGE],
page,
page_num);
}
static void
gtk_notebook_switch_page (GtkNotebook *notebook,
GtkNotebookPage *page,
gint page_num)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
g_return_if_fail (page != NULL);
if (notebook->cur_page == page)
return;
gtk_signal_emit (GTK_OBJECT (notebook),
notebook_signals[SWITCH_PAGE],
page,
page_num);
}
static void
gtk_notebook_marshal_signal (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args)
{
GtkNotebookSignal rfunc;
rfunc = (GtkNotebookSignal) func;
(* rfunc) (object, GTK_VALUE_POINTER (args[0]), GTK_VALUE_INT (args[1]),
func_data);
}
static gint
gtk_notebook_focus (GtkContainer *container,
GtkDirectionType direction)
{
GtkNotebook *notebook;
GtkWidget *focus_child;
GtkNotebookPage *page = NULL;
GtkNotebookPage *old_page;
gint return_val;
g_return_val_if_fail (container != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (container), FALSE);
notebook = GTK_NOTEBOOK (container);
if (!GTK_WIDGET_SENSITIVE (container) || !notebook->children)
return FALSE;
focus_child = container->focus_child;
gtk_container_set_focus_child (container, NULL);
if (!notebook->show_tabs)
{
if (GTK_WIDGET_VISIBLE (notebook->cur_page->child))
{
if (GTK_IS_CONTAINER (notebook->cur_page->child))
{
if (gtk_container_focus
(GTK_CONTAINER (notebook->cur_page->child), direction))
return TRUE;
}
else if (GTK_WIDGET_CAN_FOCUS (notebook->cur_page->child))
{
if (!focus_child)
{
gtk_widget_grab_focus (notebook->cur_page->child);
return TRUE;
}
}
}
return FALSE;
}
old_page = notebook->focus_tab->data;
return_val = FALSE;
if (!GTK_WIDGET_HAS_FOCUS (container) && !focus_child)
{
gtk_widget_grab_focus (GTK_WIDGET (container));
return TRUE;
}
if (focus_child && focus_child == old_page->child)
{
if (GTK_WIDGET_VISIBLE (old_page->child))
{
if (GTK_IS_CONTAINER (old_page->child) &&
!GTK_WIDGET_HAS_FOCUS (old_page->child))
{
if (gtk_container_focus (GTK_CONTAINER (old_page->child),
direction))
return TRUE;
}
gtk_widget_grab_focus (GTK_WIDGET(notebook));
return TRUE;
}
return FALSE;
}
switch (direction)
{
case GTK_DIR_TAB_FORWARD:
case GTK_DIR_RIGHT:
case GTK_DIR_DOWN:
if (!notebook->focus_tab->next)
return FALSE;
notebook->focus_tab = notebook->focus_tab->next;
page = notebook->focus_tab->data;
return_val = TRUE;
break;
case GTK_DIR_TAB_BACKWARD:
case GTK_DIR_LEFT:
case GTK_DIR_UP:
if (!notebook->focus_tab->prev)
return FALSE;
notebook->focus_tab = notebook->focus_tab->prev;
page = notebook->focus_tab->data;
return_val = TRUE;
break;
}
if (return_val)
{
if (GTK_WIDGET_MAPPED (page->tab_label))
gtk_notebook_focus_changed (notebook, old_page);
else
{
gtk_notebook_pages_allocate (notebook,
&(GTK_WIDGET (notebook)->allocation));
gtk_notebook_expose_tabs (notebook);
}
}
return return_val;
}
static gint
gtk_notebook_page_select (GtkNotebook *notebook)
{
g_return_val_if_fail (notebook != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE);
if (notebook->focus_tab)
{
GtkNotebookPage *page;
GList *children;
gint num;
page = notebook->focus_tab->data;
children = notebook->children;
num = 0;
while (children != notebook->focus_tab)
{
children = children->next;
num++;
}
gtk_notebook_switch_page (notebook, page, num);
if (GTK_WIDGET_VISIBLE (page->child))
{
if (GTK_IS_CONTAINER (page->child))
{
if (gtk_container_focus (GTK_CONTAINER (page->child),
GTK_DIR_TAB_FORWARD))
return TRUE;
}
else if (GTK_WIDGET_CAN_FOCUS (page->child))
{
gtk_widget_grab_focus (page->child);
return TRUE;
}
}
}
return FALSE;
}
static void
gtk_notebook_switch_focus_tab (GtkNotebook *notebook,
GList *new_child)
{
GtkNotebookPage *old_page;
GtkNotebookPage *page;
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (notebook->focus_tab != new_child)
{
old_page = notebook->focus_tab->data;
notebook->focus_tab = new_child;
page = notebook->focus_tab->data;
if (GTK_WIDGET_MAPPED (page->tab_label))
gtk_notebook_focus_changed (notebook, old_page);
else
{
gtk_notebook_pages_allocate (notebook,
&(GTK_WIDGET (notebook)->allocation));
gtk_notebook_expose_tabs (notebook);
}
}
}
static gint
gtk_notebook_key_press (GtkWidget *widget,
GdkEventKey *event)
{
GtkNotebook *notebook;
GtkDirectionType direction = 0;
gint return_val;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_NOTEBOOK (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
notebook = GTK_NOTEBOOK (widget);
return_val = TRUE;
if (!notebook->children || !notebook->show_tabs)
return FALSE;
switch (event->keyval)
{
case GDK_Up:
direction = GTK_DIR_UP;
break;
case GDK_Left:
direction = GTK_DIR_LEFT;
break;
case GDK_Down:
direction = GTK_DIR_DOWN;
break;
case GDK_Right:
direction = GTK_DIR_RIGHT;
break;
case GDK_Tab:
if (event->state & GDK_SHIFT_MASK)
direction = GTK_DIR_TAB_BACKWARD;
else
direction = GTK_DIR_TAB_FORWARD;
break;
case GDK_Home:
gtk_notebook_switch_focus_tab (notebook, notebook->children);
return TRUE;
case GDK_End:
gtk_notebook_switch_focus_tab (notebook,
g_list_last (notebook->children));
return TRUE;
case GDK_Return:
case GDK_space:
gtk_notebook_page_select (GTK_NOTEBOOK (widget));
return TRUE;
default:
return_val = FALSE;
}
if (return_val)
return gtk_container_focus (GTK_CONTAINER (widget), direction);
return return_val;
}
void
gtk_notebook_set_tab_border (GtkNotebook *notebook,
gint tab_border)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (notebook->tab_border != tab_border && tab_border > 0)
{
notebook->tab_border = tab_border;
if (GTK_WIDGET_VISIBLE (notebook) && notebook->show_tabs)
gtk_widget_queue_resize (GTK_WIDGET (notebook));
}
}
static void
gtk_notebook_update_labels (GtkNotebook *notebook,
GList *list,
gint page_num)
{
GtkNotebookPage *page;
gchar string[32];
while (list)
{
page = list->data;
list = list->next;
sprintf (string, "Page %d", page_num);
if (notebook->show_tabs && page->default_tab)
gtk_label_set (GTK_LABEL (page->tab_label), string);
if (notebook->menu && page->default_menu)
{
if (GTK_IS_LABEL (page->tab_label))
gtk_label_set (GTK_LABEL (page->menu_label), GTK_LABEL (page->tab_label)->label);
else
gtk_label_set (GTK_LABEL (page->menu_label), string);
}
page_num++;
}
}
static void
gtk_notebook_menu_item_create (GtkNotebook *notebook,
GtkNotebookPage *page,
gint position)
{
GtkWidget *menu_item;
if (page->default_menu)
{
if (page->tab_label && GTK_IS_LABEL (page->tab_label))
page->menu_label = gtk_label_new (GTK_LABEL (page->tab_label)->label);
else
page->menu_label = gtk_label_new ("");
fixed an assertment. Sat Jun 6 06:01:24 1998 Tim Janik <timj@gtk.org> * gtk/gtksignal.c (gtk_signal_emitv): fixed an assertment. * gtk/makeenums.awk: a script to generate the GtkEnumValue arrays from, this should eventually be done by gentypeinfo.el somewhen. * gtk/gtkenumvalues.c: new generated file to hold GtkEnumValue arrays. * gtk/gtktypeutils.h: new function gtk_enum_values() to retrive all the enum values of an enum type. * gtk/gtk.defs: * gtk/gtkcurve.h: * gtk/gtkobject.h: * gtk/gtkprivate.h: * gtk/gtkwidget.h: * gtk/gtkenums.h: brought enum/flags definitions in sync, added a few more enum definitions for bindings and pattern matching. * some more macro and GtkType fixups in various places. * gdk/gdktypes.h (enum): added a new value GDK_AFTER_MASK, which is used as a key-release modifier for the binding system. Fri Jun 5 06:06:06 1998 Tim Janik <timj@gtk.org> * gtk/gtkmenu.h (struct _GtkMenu): removed GList*children, since it was a stale list pointer that is already present in GtkMenuShell. * gtk/gtkmenushell.h (struct _GtkMenuShellClass): added a signal GtkMenuShell::selection_done which is emitted after the menu shell poped down again and all possible menu items have been activated. Thu Jun 4 02:20:42 1998 Tim Janik <timj@gtk.org> * gtk/gtkmenushell.c (gtk_menu_shell_button_release): flush the x-queue before activation of the menuitem, so the menu is actually taken off the screen prior to any menu item activation. * gtk/gtkctree.c (gtk_ctree_get_row_data): allow function invokation for NULL nodes. * gtk/gtkwidget.h: * gtk/gtkwidget.c: new function gtk_widget_stop_accelerator to stop the emission of the "add-accelerator" signal on a widget. this is usefull to prevent accelerator installation on certain widgets. * gtk/gtknotebook.c (gtk_notebook_menu_item_create): keep the menu labels left justified, by setting their alignment. stop accelerator installation for the menu items, since we use dynamic menus. Wed Jun 3 06:41:22 1998 Tim Janik <timj@gtk.org> * gtk/gtkmenufactory.c: adaptions to use the new accel groups. people should *really* use GtkItemFactory. this is only for preserving source compatibility where possible, use of GtkMenuFactory is deprecated as of now. * gtk/gtkobject.h (gtk_object_class_add_user_signal): new function to create user signals of type GTK_RUN_NO_RECURSE. don't know why i missed this possibility when i added gtk_object_class_add_user_signal in late january. * gtk/gtkmain.c (gtk_init): ignore subsequent function calls. Sun May 31 07:31:09 1998 Tim Janik <timj@gtk.org> * gtk/gtkaccelgroup.h: * gtk/gtkaccelgroup.c: new implementation of the accelerator concept. * gtk/gtkaccellabel.h: * gtk/gtkaccellabel.c: new widget derived from GtkLabel whitch features display of the accelerators associated with a certain widget. * gtk/gtkitemfactory.h: * gtk/gtkitemfactory.c: new widget, item factory with automatic rc parsing and accelerator handling. * gtk/gtkmenu.c (gtk_menu_reposition): new function to care for positioning a menu. (gtk_menu_map): removed the allocation code. (gtk_menu_size_allocate): care for redrawing of children and resize our widget->window correctly. (gtk_menu_key_press): feature the new accelerator groups. * gtk/gtkmenuitem.c (gtk_menu_item_size_allocate): reposition the submenu if neccessary. * gtk/gtkmenuitem.c: * gtk/gtkcheckmenuitem.c: * gtk/gtkradiomenuitem.c: use GtkAccelLabel in the *_new_with_label() function variants. * gdk/gdk.c: (gdk_keyval_from_name): (gdk_keyval_name): new functions for keyval<->key-name associations. (gdk_keyval_to_upper): (gdk_keyval_to_lower): (gdk_keyval_is_upper): (gdk_keyval_is_lower): new functions to check/translate keyvalues with regards to their cases. Wed May 27 00:48:10 1998 Tim Janik <timj@gtk.org> * gtk/gtkwidget.c (gtk_widget_class_path): new function to calculate a widget's class path. (gtk_widget_path): new function to calculate a widget's name path. * gtk/gtkrc.c: newly introduced GtkPatternSpec structures to speed up pattern matching, features reversed pattern matches.
1998-06-07 06:48:56 +00:00
gtk_misc_set_alignment (GTK_MISC (page->menu_label), 0.0, 0.5);
}
gtk_widget_show (page->menu_label);
menu_item = gtk_menu_item_new ();
fixed an assertment. Sat Jun 6 06:01:24 1998 Tim Janik <timj@gtk.org> * gtk/gtksignal.c (gtk_signal_emitv): fixed an assertment. * gtk/makeenums.awk: a script to generate the GtkEnumValue arrays from, this should eventually be done by gentypeinfo.el somewhen. * gtk/gtkenumvalues.c: new generated file to hold GtkEnumValue arrays. * gtk/gtktypeutils.h: new function gtk_enum_values() to retrive all the enum values of an enum type. * gtk/gtk.defs: * gtk/gtkcurve.h: * gtk/gtkobject.h: * gtk/gtkprivate.h: * gtk/gtkwidget.h: * gtk/gtkenums.h: brought enum/flags definitions in sync, added a few more enum definitions for bindings and pattern matching. * some more macro and GtkType fixups in various places. * gdk/gdktypes.h (enum): added a new value GDK_AFTER_MASK, which is used as a key-release modifier for the binding system. Fri Jun 5 06:06:06 1998 Tim Janik <timj@gtk.org> * gtk/gtkmenu.h (struct _GtkMenu): removed GList*children, since it was a stale list pointer that is already present in GtkMenuShell. * gtk/gtkmenushell.h (struct _GtkMenuShellClass): added a signal GtkMenuShell::selection_done which is emitted after the menu shell poped down again and all possible menu items have been activated. Thu Jun 4 02:20:42 1998 Tim Janik <timj@gtk.org> * gtk/gtkmenushell.c (gtk_menu_shell_button_release): flush the x-queue before activation of the menuitem, so the menu is actually taken off the screen prior to any menu item activation. * gtk/gtkctree.c (gtk_ctree_get_row_data): allow function invokation for NULL nodes. * gtk/gtkwidget.h: * gtk/gtkwidget.c: new function gtk_widget_stop_accelerator to stop the emission of the "add-accelerator" signal on a widget. this is usefull to prevent accelerator installation on certain widgets. * gtk/gtknotebook.c (gtk_notebook_menu_item_create): keep the menu labels left justified, by setting their alignment. stop accelerator installation for the menu items, since we use dynamic menus. Wed Jun 3 06:41:22 1998 Tim Janik <timj@gtk.org> * gtk/gtkmenufactory.c: adaptions to use the new accel groups. people should *really* use GtkItemFactory. this is only for preserving source compatibility where possible, use of GtkMenuFactory is deprecated as of now. * gtk/gtkobject.h (gtk_object_class_add_user_signal): new function to create user signals of type GTK_RUN_NO_RECURSE. don't know why i missed this possibility when i added gtk_object_class_add_user_signal in late january. * gtk/gtkmain.c (gtk_init): ignore subsequent function calls. Sun May 31 07:31:09 1998 Tim Janik <timj@gtk.org> * gtk/gtkaccelgroup.h: * gtk/gtkaccelgroup.c: new implementation of the accelerator concept. * gtk/gtkaccellabel.h: * gtk/gtkaccellabel.c: new widget derived from GtkLabel whitch features display of the accelerators associated with a certain widget. * gtk/gtkitemfactory.h: * gtk/gtkitemfactory.c: new widget, item factory with automatic rc parsing and accelerator handling. * gtk/gtkmenu.c (gtk_menu_reposition): new function to care for positioning a menu. (gtk_menu_map): removed the allocation code. (gtk_menu_size_allocate): care for redrawing of children and resize our widget->window correctly. (gtk_menu_key_press): feature the new accelerator groups. * gtk/gtkmenuitem.c (gtk_menu_item_size_allocate): reposition the submenu if neccessary. * gtk/gtkmenuitem.c: * gtk/gtkcheckmenuitem.c: * gtk/gtkradiomenuitem.c: use GtkAccelLabel in the *_new_with_label() function variants. * gdk/gdk.c: (gdk_keyval_from_name): (gdk_keyval_name): new functions for keyval<->key-name associations. (gdk_keyval_to_upper): (gdk_keyval_to_lower): (gdk_keyval_is_upper): (gdk_keyval_is_lower): new functions to check/translate keyvalues with regards to their cases. Wed May 27 00:48:10 1998 Tim Janik <timj@gtk.org> * gtk/gtkwidget.c (gtk_widget_class_path): new function to calculate a widget's class path. (gtk_widget_path): new function to calculate a widget's name path. * gtk/gtkrc.c: newly introduced GtkPatternSpec structures to speed up pattern matching, features reversed pattern matches.
1998-06-07 06:48:56 +00:00
gtk_signal_connect (GTK_OBJECT (menu_item),
"add_accelerator",
GTK_SIGNAL_FUNC (gtk_widget_stop_accelerator),
NULL);
gtk_container_add (GTK_CONTAINER (menu_item), page->menu_label);
gtk_menu_insert (GTK_MENU (notebook->menu), menu_item, position);
gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
GTK_SIGNAL_FUNC (gtk_notebook_menu_switch_page),
page);
gtk_widget_show (menu_item);
}
void
gtk_notebook_popup_enable (GtkNotebook *notebook)
{
GtkNotebookPage *page;
GList *children;
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (notebook->menu)
return;
notebook->menu = gtk_menu_new ();
children = notebook->children;
while (children)
{
page = children->data;
children = children->next;
gtk_notebook_menu_item_create (notebook, page, -1);
}
gtk_notebook_update_labels (notebook, notebook->children,1);
gtk_menu_attach_to_widget (GTK_MENU (notebook->menu), GTK_WIDGET (notebook),
gtk_notebook_menu_detacher);
}
static void
gtk_notebook_menu_label_unparent (GtkWidget *widget,
gpointer data)
{
gtk_widget_unparent (GTK_BIN(widget)->child);
GTK_BIN(widget)->child = NULL;
}
void
gtk_notebook_popup_disable (GtkNotebook *notebook)
{
g_return_if_fail (notebook != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (notebook));
if (!notebook->menu)
return;
gtk_container_foreach (GTK_CONTAINER (notebook->menu),
(GtkCallback) gtk_notebook_menu_label_unparent, NULL);
gtk_widget_destroy (notebook->menu);
}
static void
gtk_notebook_menu_detacher (GtkWidget *widget,
GtkMenu *menu)
{
GtkNotebook *notebook;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
notebook = GTK_NOTEBOOK (widget);
g_return_if_fail (notebook->menu == (GtkWidget*) menu);
notebook->menu = NULL;
}