gtk2/gtk/gtkstatusbar.c

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* GtkStatusbar Copyright (C) 1998 Shawn T. Amundson
*
* 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.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "gtkframe.h"
#include "gtklabel.h"
#include "gtksignal.h"
#include "gtkstatusbar.h"
enum
{
SIGNAL_TEXT_PUSHED,
SIGNAL_TEXT_POPPED,
SIGNAL_LAST
};
static void gtk_statusbar_class_init (GtkStatusbarClass *class);
static void gtk_statusbar_init (GtkStatusbar *statusbar);
static void gtk_statusbar_destroy (GtkObject *object);
static void gtk_statusbar_finalize (GtkObject *object);
static void gtk_statusbar_update (GtkStatusbar *statusbar,
guint context_id,
const gchar *text);
static GtkContainerClass *parent_class;
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.
1998-03-09 15:16:28 +00:00
static guint statusbar_signals[SIGNAL_LAST] = { 0 };
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.
1998-05-03 22:41:32 +00:00
gtk_statusbar_get_type (void)
{
static guint statusbar_type = 0;
if (!statusbar_type)
{
static const GtkTypeInfo statusbar_info =
{
"GtkStatusbar",
sizeof (GtkStatusbar),
sizeof (GtkStatusbarClass),
(GtkClassInitFunc) gtk_statusbar_class_init,
(GtkObjectInitFunc) gtk_statusbar_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
call the base class init fucntions from all parent types upon class Sun Jun 28 04:29:10 1998 Tim Janik <timj@gtk.org> * gtk/gtktypeutils.c (gtk_type_class_init): call the base class init fucntions from all parent types upon class initialization. * gtk/gtkcontainer.c: (gtk_container_get_type): announce gtk_container_base_class_init to the type system. (gtk_container_base_class_init): new function to feature base class initialization. (gtk_container_get_child_arg): (gtk_container_set_child_arg): call the GtkContainerClass get_child_arg and set_child_arg methods of the class indicated through the argument name. * gtk/gtkobject.c: (gtk_object_base_class_init): new function to feature base class initialization. (gtk_object_init_type): announce gtk_object_base_class_init to the type system. (gtk_object_class_init): setup the get_arg and set_arg pointers for GtkObjectClass. (gtk_object_setv): (gtk_object_getv): call the GtkObjectClass get_arg and set_arg methods, instead of bothering the type system with this. * gtk/gtkaccellabel.c: * gtk/gtkbutton.c: * gtk/gtkradiobutton.c: * gtk/gtktable.c: * gtk/gtktogglebutton.c: * gtk/gtktipsquery.c: * gtk/gtkbox.c: * gtk/gtkpacker.c: * gtk/gtkwidget.c: * gtk/gtkwindow.c: * gtk/gtkframe.c: * gtk/gtkmisc.c: * gtk/gtklabel.c: set the object_class->{g|s}et_arg pointers to the corresponding gtk_*_{g|s]et_arg functions and updated the gtk_*_get_type functions wrt GtkTypeInfo initialization. changed a lot of the set/get arg functions to take a GtkObject argument. gtk/gtkadjustment.c: gtk/gtkalignment.c: gtk/gtkarrow.c: gtk/gtkaspectframe.c: gtk/gtkbbox.c: gtk/gtkbin.c: gtk/gtkcheckbutton.c: gtk/gtkcheckmenuitem.c: gtk/gtkclist.c: gtk/gtkcolorsel.c: gtk/gtkcombo.c: gtk/gtkctree.c: gtk/gtkcurve.c: gtk/gtkdata.c: gtk/gtkdialog.c: gtk/gtkdrawingarea.c: gtk/gtkeditable.c: gtk/gtkentry.c: gtk/gtkeventbox.c: gtk/gtkfilesel.c: gtk/gtkfixed.c: gtk/gtkfontsel.c: gtk/gtkgamma.c: gtk/gtkhandlebox.c: gtk/gtkhbbox.c: gtk/gtkhbox.c: gtk/gtkhpaned.c: gtk/gtkhruler.c: gtk/gtkhscale.c: gtk/gtkhscrollbar.c: gtk/gtkhseparator.c: gtk/gtkimage.c: gtk/gtkinputdialog.c: gtk/gtkitem.c: gtk/gtkitemfactory.c: gtk/gtklist.c: gtk/gtklistitem.c: gtk/gtkmenu.c: gtk/gtkmenubar.c: gtk/gtkmenuitem.c: gtk/gtkmenushell.c: gtk/gtknotebook.c: gtk/gtkoptionmenu.c: gtk/gtkpaned.c: gtk/gtkpixmap.c: gtk/gtkpreview.c: gtk/gtkprogressbar.c: gtk/gtkradiomenuitem.c: gtk/gtkrange.c: gtk/gtkruler.c: gtk/gtkscale.c: gtk/gtkscrollbar.c: gtk/gtkscrolledwindow.c: gtk/gtkseparator.c: gtk/gtkspinbutton.c: gtk/gtkstatusbar.c: gtk/gtktext.c: gtk/gtktoolbar.c: gtk/gtktooltips.c: gtk/gtktree.c: gtk/gtktreeitem.c: gtk/gtkvbbox.c: gtk/gtkvbox.c: gtk/gtkviewport.c: gtk/gtkvpaned.c: gtk/gtkvruler.c: gtk/gtkvscale.c: gtk/gtkvscrollbar.c: gtk/gtkvseparator.c: updated the GtkTypeInfo initialization code to match the modified GtkTypeInfo structure.
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(GtkClassInitFunc) NULL,
};
statusbar_type = gtk_type_unique (gtk_hbox_get_type (), &statusbar_info);
}
return statusbar_type;
}
static void
gtk_statusbar_class_init (GtkStatusbarClass *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_hbox_get_type ());
statusbar_signals[SIGNAL_TEXT_PUSHED] =
gtk_signal_new ("text_pushed",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkStatusbarClass, text_pushed),
gtk_marshal_NONE__UINT_STRING,
GTK_TYPE_NONE, 2,
GTK_TYPE_UINT,
GTK_TYPE_STRING);
statusbar_signals[SIGNAL_TEXT_POPPED] =
gtk_signal_new ("text_popped",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkStatusbarClass, text_popped),
gtk_marshal_NONE__UINT_STRING,
GTK_TYPE_NONE, 2,
GTK_TYPE_UINT,
GTK_TYPE_STRING);
gtk_object_class_add_signals (object_class, statusbar_signals, SIGNAL_LAST);
object_class->destroy = gtk_statusbar_destroy;
object_class->finalize = gtk_statusbar_finalize;
class->messages_mem_chunk = g_mem_chunk_new ("GtkStatusBar messages mem chunk",
sizeof (GtkStatusbarMsg),
sizeof (GtkStatusbarMsg) * 64,
G_ALLOC_AND_FREE);
class->text_pushed = gtk_statusbar_update;
class->text_popped = gtk_statusbar_update;
}
static void
gtk_statusbar_init (GtkStatusbar *statusbar)
{
GtkBox *box;
box = GTK_BOX (statusbar);
box->spacing = 2;
box->homogeneous = FALSE;
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statusbar->frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (statusbar->frame), GTK_SHADOW_IN);
gtk_box_pack_start (box, statusbar->frame, TRUE, TRUE, 0);
1998-01-27 06:39:56 +00:00
gtk_widget_show (statusbar->frame);
statusbar->label = gtk_label_new ("");
gtk_misc_set_alignment (GTK_MISC (statusbar->label), 0.0, 0.0);
gtk_container_add (GTK_CONTAINER (statusbar->frame), statusbar->label);
1998-01-27 06:39:56 +00:00
gtk_widget_show (statusbar->label);
statusbar->seq_context_id = 1;
statusbar->seq_message_id = 1;
statusbar->messages = NULL;
statusbar->keys = NULL;
}
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.
1998-05-03 22:41:32 +00:00
gtk_statusbar_new (void)
{
return gtk_type_new (gtk_statusbar_get_type ());
}
static void
gtk_statusbar_update (GtkStatusbar *statusbar,
guint context_id,
const gchar *text)
{
g_return_if_fail (statusbar != NULL);
g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
if (!text)
text = "";
gtk_label_set_text (GTK_LABEL (statusbar->label), text);
}
guint
gtk_statusbar_get_context_id (GtkStatusbar *statusbar,
const gchar *context_description)
{
gchar *string;
guint *id;
g_return_val_if_fail (statusbar != NULL, 0);
g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), 0);
g_return_val_if_fail (context_description != NULL, 0);
/* we need to preserve namespaces on object datas */
string = g_strconcat ("gtk-status-bar-context:", context_description, NULL);
id = gtk_object_get_data (GTK_OBJECT (statusbar), string);
if (!id)
{
id = g_new (guint, 1);
*id = statusbar->seq_context_id++;
gtk_object_set_data_full (GTK_OBJECT (statusbar), string, id, (GtkDestroyNotify) g_free);
statusbar->keys = g_slist_prepend (statusbar->keys, string);
}
else
g_free (string);
return *id;
}
guint
gtk_statusbar_push (GtkStatusbar *statusbar,
guint context_id,
const gchar *text)
{
GtkStatusbarMsg *msg;
GtkStatusbarClass *class;
g_return_val_if_fail (statusbar != NULL, 0);
g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), 0);
g_return_val_if_fail (text != NULL, 0);
g_return_val_if_fail (context_id > 0, 0);
class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
msg = g_chunk_new (GtkStatusbarMsg, class->messages_mem_chunk);
msg->text = g_strdup (text);
msg->context_id = context_id;
msg->message_id = statusbar->seq_message_id++;
statusbar->messages = g_slist_prepend (statusbar->messages, msg);
gtk_signal_emit (GTK_OBJECT (statusbar),
statusbar_signals[SIGNAL_TEXT_PUSHED],
msg->context_id,
msg->text);
return msg->message_id;
}
void
gtk_statusbar_pop (GtkStatusbar *statusbar,
guint context_id)
{
GtkStatusbarMsg *msg;
g_return_if_fail (statusbar != NULL);
g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
g_return_if_fail (context_id > 0);
if (statusbar->messages)
{
GSList *list;
for (list = statusbar->messages; list; list = list->next)
{
msg = list->data;
if (msg->context_id == context_id)
{
GtkStatusbarClass *class;
class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
statusbar->messages = g_slist_remove_link (statusbar->messages,
list);
g_free (msg->text);
g_mem_chunk_free (class->messages_mem_chunk, msg);
g_slist_free_1 (list);
break;
}
}
}
msg = statusbar->messages ? statusbar->messages->data : NULL;
gtk_signal_emit (GTK_OBJECT (statusbar),
statusbar_signals[SIGNAL_TEXT_POPPED],
(guint) (msg ? msg->context_id : 0),
msg ? msg->text : NULL);
}
void
gtk_statusbar_remove (GtkStatusbar *statusbar,
guint context_id,
guint message_id)
{
GtkStatusbarMsg *msg;
g_return_if_fail (statusbar != NULL);
g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
g_return_if_fail (context_id > 0);
g_return_if_fail (message_id > 0);
msg = statusbar->messages ? statusbar->messages->data : NULL;
if (msg)
{
GSList *list;
/* care about signal emission if the topmost item is removed */
if (msg->context_id == context_id &&
msg->message_id == message_id)
{
gtk_statusbar_pop (statusbar, context_id);
return;
}
for (list = statusbar->messages; list; list = list->next)
{
msg = list->data;
if (msg->context_id == context_id &&
msg->message_id == message_id)
{
GtkStatusbarClass *class;
class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
statusbar->messages = g_slist_remove_link (statusbar->messages, list);
g_free (msg->text);
g_mem_chunk_free (class->messages_mem_chunk, msg);
g_slist_free_1 (list);
break;
}
}
}
}
static void
gtk_statusbar_destroy (GtkObject *object)
{
GtkStatusbar *statusbar;
GtkStatusbarClass *class;
GSList *list;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_STATUSBAR (object));
statusbar = GTK_STATUSBAR (object);
class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
for (list = statusbar->messages; list; list = list->next)
{
GtkStatusbarMsg *msg;
msg = list->data;
g_free (msg->text);
g_mem_chunk_free (class->messages_mem_chunk, msg);
}
g_slist_free (statusbar->messages);
statusbar->messages = NULL;
for (list = statusbar->keys; list; list = list->next)
g_free (list->data);
g_slist_free (statusbar->keys);
statusbar->keys = NULL;
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gtk_statusbar_finalize (GtkObject *object)
{
GtkStatusbar *statusbar;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_STATUSBAR (object));
statusbar = GTK_STATUSBAR (object);
GTK_OBJECT_CLASS (parent_class)->finalize (object);
}