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gtk2/gtk/gtkclist.c
Federico Mena Quintero 239a12d0d1 We now accept the color parameter to be NULL. If it is NULL, it will mark 
1998-03-09  Federico Mena Quintero  <federico@nuclecu.unam.mx>

	* gtk/gtkclist.c (gtk_clist_set_foreground): We now accept the
	color parameter to be NULL.  If it is NULL, it will mark the row
	with "color not set", so it will be repainted with the default color.
	(gtk_clist_set_background): Likewise.
1998-03-10 02:21:15 +00:00

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald,
* Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include "../config.h"
#include "gtkclist.h"
/* the number rows memchunk expands at a time */
#define CLIST_OPTIMUM_SIZE 512
/* the width of the column resize windows */
#define DRAG_WIDTH 6
/* minimum allowed width of a column */
#define COLUMN_MIN_WIDTH 5
/* this defigns the base grid spacing */
#define CELL_SPACING 1
/* added the horizontal space at the beginning and end of a row*/
#define COLUMN_INSET 3
/* scrollbar spacing class macro */
#define SCROLLBAR_SPACING(w) (GTK_CLIST_CLASS (GTK_OBJECT (w)->klass)->scrollbar_spacing)
/* gives the top pixel of the given row in context of
* the clist's voffset */
#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
(((row) + 1) * CELL_SPACING) + \
(clist)->voffset)
/* returns the row index from a y pixel location in the
* context of the clist's voffset */
#define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
((clist)->row_height + CELL_SPACING))
/* gives the left pixel of the given column in context of
* the clist's hoffset */
#define COLUMN_LEFT_XPIXEL(clist, column) ((clist)->column[(column)].area.x + \
(clist)->hoffset)
/* returns the column index from a x pixel location in the
* context of the clist's hoffset */
static inline gint
COLUMN_FROM_XPIXEL (GtkCList * clist,
gint x)
{
gint i, cx;
for (i = 0; i < clist->columns; i++)
{
cx = clist->column[i].area.x + clist->hoffset;
if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) &&
x <= (cx + clist->column[i].area.width + COLUMN_INSET))
return i;
}
/* no match */
return -1;
}
/* returns the top pixel of the given row in the context of
* the list height */
#define ROW_TOP(clist, row) (((clist)->row_height + CELL_SPACING) * (row))
/* returns the left pixel of the given column in the context of
* the list width */
#define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x)
/* returns the total height of the list */
#define LIST_HEIGHT(clist) (((clist)->row_height * ((clist)->rows)) + \
(CELL_SPACING * ((clist)->rows + 1)))
/* returns the total width of the list */
#define LIST_WIDTH(clist) ((clist)->column[(clist)->columns - 1].area.x + \
(clist)->column[(clist)->columns - 1].area.width + \
COLUMN_INSET + CELL_SPACING)
/* Signals */
enum
{
SELECT_ROW,
UNSELECT_ROW,
CLICK_COLUMN,
LAST_SIGNAL
};
enum
{
SYNC_REMOVE,
SYNC_INSERT
};
typedef void (*GtkCListSignal1) (GtkObject * object,
gint arg1,
gint arg2,
GdkEventButton * arg3,
gpointer data);
typedef void (*GtkCListSignal2) (GtkObject * object,
gint arg1,
gpointer data);
static void sync_selection (GtkCList * clist,
gint row,
gint mode);
/* GtkCList Methods */
static void gtk_clist_class_init (GtkCListClass * klass);
static void gtk_clist_init (GtkCList * clist);
/* GtkObject Methods */
static void gtk_clist_destroy (GtkObject * object);
static void gtk_clist_finalize (GtkObject * object);
/* GtkWidget Methods */
static void gtk_clist_realize (GtkWidget * widget);
static void gtk_clist_unrealize (GtkWidget * widget);
static void gtk_clist_map (GtkWidget * widget);
static void gtk_clist_unmap (GtkWidget * widget);
static void gtk_clist_draw (GtkWidget * widget,
GdkRectangle * area);
static gint gtk_clist_expose (GtkWidget * widget,
GdkEventExpose * event);
static gint gtk_clist_button_press (GtkWidget * widget,
GdkEventButton * event);
static gint gtk_clist_button_release (GtkWidget * widget,
GdkEventButton * event);
static gint gtk_clist_motion (GtkWidget * widget,
GdkEventMotion * event);
static void gtk_clist_size_request (GtkWidget * widget,
GtkRequisition * requisition);
static void gtk_clist_size_allocate (GtkWidget * widget,
GtkAllocation * allocation);
/* GtkContainer Methods */
static void gtk_clist_foreach (GtkContainer * container,
GtkCallback callback,
gpointer callback_data);
/* Drawing */
static void draw_row (GtkCList * clist,
GdkRectangle * area,
gint row,
GtkCListRow * clist_row);
static void draw_rows (GtkCList * clist,
GdkRectangle * area);
/* Size Allocation */
static void size_allocate_title_buttons (GtkCList * clist);
static void size_allocate_columns (GtkCList * clist);
/* Selection */
static void toggle_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event);
static void select_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event);
static void unselect_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event);
static void real_select_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event);
static void real_unselect_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event);
static gint get_selection_info (GtkCList * clist,
gint x,
gint y,
gint * row,
gint * column);
/* Resize Columns */
static void draw_xor_line (GtkCList * clist);
static gint new_column_width (GtkCList * clist,
gint column,
gint * x,
gint * visible);
static void resize_column (GtkCList * clist,
gint column,
gint width);
/* Buttons */
static void column_button_create (GtkCList * clist,
gint column);
static void column_button_clicked (GtkWidget * widget,
gpointer data);
/* Scrollbars */
static void create_scrollbars (GtkCList * clist);
static void adjust_scrollbars (GtkCList * clist);
static void check_exposures (GtkCList * clist);
static void vadjustment_changed (GtkAdjustment * adjustment,
gpointer data);
static void vadjustment_value_changed (GtkAdjustment * adjustment,
gpointer data);
static void hadjustment_changed (GtkAdjustment * adjustment,
gpointer data);
static void hadjustment_value_changed (GtkAdjustment * adjustment,
gpointer data);
/* Memory Allocation/Distruction Routines */
static GtkCListColumn *columns_new (GtkCList * clist);
static void column_title_new (GtkCList * clist,
gint column,
gchar * title);
static void columns_delete (GtkCList * clist);
static GtkCListRow *row_new (GtkCList * clist);
static void row_delete (GtkCList * clist,
GtkCListRow * clist_row);
static void cell_empty (GtkCList * clist,
GtkCListRow * clist_row,
gint column);
static void cell_set_text (GtkCList * clist,
GtkCListRow * clist_row,
gint column,
gchar * text);
static void cell_set_pixmap (GtkCList * clist,
GtkCListRow * clist_row,
gint column,
GdkPixmap * pixmap,
GdkBitmap * mask);
static void cell_set_pixtext (GtkCList * clist,
GtkCListRow * clist_row,
gint column,
gchar * text,
guint8 spacing,
GdkPixmap * pixmap,
GdkBitmap * mask);
/* Signals */
static void gtk_clist_marshal_signal_1 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args);
static void gtk_clist_marshal_signal_2 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args);
/* Fill in data after widget is realized and has style */
static void add_style_data (GtkCList * clist);
static GtkContainerClass *parent_class = NULL;
static guint clist_signals[LAST_SIGNAL] = {0};
guint
gtk_clist_get_type ()
{
static guint clist_type = 0;
if (!clist_type)
{
GtkTypeInfo clist_info =
{
"GtkCList",
sizeof (GtkCList),
sizeof (GtkCListClass),
(GtkClassInitFunc) gtk_clist_class_init,
(GtkObjectInitFunc) gtk_clist_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
};
clist_type = gtk_type_unique (gtk_container_get_type (), &clist_info);
}
return clist_type;
}
static void
gtk_clist_class_init (GtkCListClass * klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
container_class = (GtkContainerClass *) klass;
parent_class = gtk_type_class (gtk_container_get_type ());
clist_signals[SELECT_ROW] =
gtk_signal_new ("select_row",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCListClass, select_row),
gtk_clist_marshal_signal_1,
GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_POINTER);
clist_signals[UNSELECT_ROW] =
gtk_signal_new ("unselect_row",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCListClass, unselect_row),
gtk_clist_marshal_signal_1,
GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_POINTER);
clist_signals[CLICK_COLUMN] =
gtk_signal_new ("click_column",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCListClass, click_column),
gtk_clist_marshal_signal_2,
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
gtk_object_class_add_signals (object_class, clist_signals, LAST_SIGNAL);
object_class->destroy = gtk_clist_destroy;
object_class->finalize = gtk_clist_finalize;
widget_class->realize = gtk_clist_realize;
widget_class->unrealize = gtk_clist_unrealize;
widget_class->map = gtk_clist_map;
widget_class->unmap = gtk_clist_unmap;
widget_class->draw = gtk_clist_draw;
widget_class->button_press_event = gtk_clist_button_press;
widget_class->button_release_event = gtk_clist_button_release;
widget_class->motion_notify_event = gtk_clist_motion;
widget_class->expose_event = gtk_clist_expose;
widget_class->size_request = gtk_clist_size_request;
widget_class->size_allocate = gtk_clist_size_allocate;
container_class->add = NULL;
container_class->remove = NULL;
container_class->foreach = gtk_clist_foreach;
klass->select_row = real_select_row;
klass->unselect_row = real_unselect_row;
klass->click_column = NULL;
klass->scrollbar_spacing = 5;
}
static void
gtk_clist_marshal_signal_1 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args)
{
GtkCListSignal1 rfunc;
rfunc = (GtkCListSignal1) func;
(*rfunc) (object, GTK_VALUE_INT (args[0]),
GTK_VALUE_INT (args[1]),
GTK_VALUE_POINTER (args[2]),
func_data);
}
static void
gtk_clist_marshal_signal_2 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args)
{
GtkCListSignal2 rfunc;
rfunc = (GtkCListSignal2) func;
(*rfunc) (object, GTK_VALUE_INT (args[0]),
func_data);
}
static void
gtk_clist_init (GtkCList * clist)
{
clist->flags = 0;
GTK_WIDGET_UNSET_FLAGS (clist, GTK_NO_WINDOW);
GTK_CLIST_SET_FLAGS (clist, CLIST_FROZEN);
clist->row_mem_chunk = NULL;
clist->cell_mem_chunk = NULL;
clist->rows = 0;
clist->row_center_offset = 0;
clist->row_height = 0;
clist->row_list = NULL;
clist->row_list_end = NULL;
clist->columns = 0;
clist->title_window = NULL;
clist->column_title_area.x = 0;
clist->column_title_area.y = 0;
clist->column_title_area.width = 0;
clist->column_title_area.height = 0;
clist->clist_window = NULL;
clist->clist_window_width = 0;
clist->clist_window_height = 0;
clist->hoffset = 0;
clist->voffset = 0;
clist->shadow_type = GTK_SHADOW_IN;
clist->hscrollbar_policy = GTK_POLICY_ALWAYS;
clist->vscrollbar_policy = GTK_POLICY_ALWAYS;
clist->cursor_drag = NULL;
clist->xor_gc = NULL;
clist->fg_gc = NULL;
clist->bg_gc = NULL;
clist->x_drag = 0;
clist->selection_mode = GTK_SELECTION_SINGLE;
clist->selection = NULL;
}
/* Constructors */
void
gtk_clist_construct (GtkCList * clist,
gint columns,
gchar *titles[])
{
int i;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CLIST (clist));
g_return_if_fail (clist->row_mem_chunk == NULL);
/* initalize memory chunks */
clist->row_mem_chunk = g_mem_chunk_new ("clist row mem chunk",
sizeof (GtkCListRow),
sizeof (GtkCListRow) * CLIST_OPTIMUM_SIZE,
G_ALLOC_AND_FREE);
clist->cell_mem_chunk = g_mem_chunk_new ("clist cell mem chunk",
sizeof (GtkCell) * columns,
sizeof (GtkCell) * columns * CLIST_OPTIMUM_SIZE,
G_ALLOC_AND_FREE);
/* set number of columns, allocate memory */
clist->columns = columns;
clist->column = columns_new (clist);
/* there needs to be at least one column button
* because there is alot of code that will break if it
* isn't there*/
column_button_create (clist, 0);
/* create scrollbars */
create_scrollbars (clist);
if (titles)
{
GTK_CLIST_SET_FLAGS (clist, CLIST_SHOW_TITLES);
for (i = 0; i < columns; i++)
gtk_clist_set_column_title (clist, i, titles[i]);
}
else
{
GTK_CLIST_UNSET_FLAGS (clist, CLIST_SHOW_TITLES);
}
}
/*
* GTKCLIST PUBLIC INTERFACE
* gtk_clist_new_with_titles
* gtk_clist_new
*/
GtkWidget *
gtk_clist_new_with_titles (gint columns,
gchar * titles[])
{
GtkWidget *widget;
g_return_val_if_fail (titles != NULL, NULL);
widget = gtk_type_new (gtk_clist_get_type ());
gtk_clist_construct (GTK_CLIST (widget), columns, titles);
return widget;
}
GtkWidget *
gtk_clist_new (gint columns)
{
GtkCList *clist;
if (columns < 1)
return NULL;
clist = gtk_type_new (gtk_clist_get_type ());
gtk_clist_construct (clist, columns, NULL);
return GTK_WIDGET (clist);
}
void
gtk_clist_set_border (GtkCList * clist,
GtkShadowType border)
{
g_return_if_fail (clist != NULL);
clist->shadow_type = border;
if (GTK_WIDGET_VISIBLE (clist))
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
void
gtk_clist_set_selection_mode (GtkCList * clist,
GtkSelectionMode mode)
{
g_return_if_fail (clist != NULL);
clist->selection_mode = mode;
}
void
gtk_clist_freeze (GtkCList * clist)
{
g_return_if_fail (clist != NULL);
GTK_CLIST_SET_FLAGS (clist, CLIST_FROZEN);
}
void
gtk_clist_thaw (GtkCList * clist)
{
g_return_if_fail (clist != NULL);
GTK_CLIST_UNSET_FLAGS (clist, CLIST_FROZEN);
adjust_scrollbars (clist);
draw_rows (clist, NULL);
}
void
gtk_clist_column_titles_show (GtkCList * clist)
{
g_return_if_fail (clist != NULL);
if (!GTK_CLIST_SHOW_TITLES (clist))
{
GTK_CLIST_SET_FLAGS (clist, CLIST_SHOW_TITLES);
gdk_window_show (clist->title_window);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
void
gtk_clist_column_titles_hide (GtkCList * clist)
{
g_return_if_fail (clist != NULL);
if (GTK_CLIST_SHOW_TITLES (clist))
{
GTK_CLIST_UNSET_FLAGS (clist, CLIST_SHOW_TITLES);
gdk_window_hide (clist->title_window);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
void
gtk_clist_column_title_active (GtkCList * clist,
gint column)
{
g_return_if_fail (clist != NULL);
if (column < 0 || column >= clist->columns)
return;
if (!GTK_WIDGET_SENSITIVE (clist->column[column].button) ||
!GTK_WIDGET_CAN_FOCUS (clist->column[column].button))
{
GTK_WIDGET_SET_FLAGS (clist->column[column].button, GTK_SENSITIVE | GTK_CAN_FOCUS);
if (GTK_WIDGET_VISIBLE (clist))
gtk_widget_queue_draw (clist->column[column].button);
}
}
void
gtk_clist_column_title_passive (GtkCList * clist,
gint column)
{
g_return_if_fail (clist != NULL);
if (column < 0 || column >= clist->columns)
return;
if (GTK_WIDGET_SENSITIVE (clist->column[column].button) ||
GTK_WIDGET_CAN_FOCUS (clist->column[column].button))
{
GTK_WIDGET_UNSET_FLAGS (clist->column[column].button, GTK_SENSITIVE | GTK_CAN_FOCUS);
if (GTK_WIDGET_VISIBLE (clist))
gtk_widget_queue_draw (clist->column[column].button);
}
}
void
gtk_clist_column_titles_active (GtkCList * clist)
{
gint i;
g_return_if_fail (clist != NULL);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
gtk_clist_column_title_active (clist, i);
}
void
gtk_clist_column_titles_passive (GtkCList * clist)
{
gint i;
g_return_if_fail (clist != NULL);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
gtk_clist_column_title_passive (clist, i);
}
void
gtk_clist_set_column_title (GtkCList * clist,
gint column,
gchar * title)
{
gint new_button = 0;
GtkWidget *old_widget;
GtkWidget *alignment = NULL;
GtkWidget *label;
g_return_if_fail (clist != NULL);
if (column < 0 || column >= clist->columns)
return;
/* if the column button doesn't currently exist,
* it has to be created first */
if (!clist->column[column].button)
{
column_button_create (clist, column);
new_button = 1;
}
column_title_new (clist, column, title);
/* remove and destroy the old widget */
old_widget = GTK_BUTTON (clist->column[column].button)->child;
if (old_widget)
{
gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget);
gtk_widget_destroy (old_widget);
}
/* create new alignment based no column justification */
switch (clist->column[column].justification)
{
case GTK_JUSTIFY_LEFT:
alignment = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_RIGHT:
alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_CENTER:
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_FILL:
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
break;
}
label = gtk_label_new (clist->column[column].title);
gtk_container_add (GTK_CONTAINER (alignment), label);
gtk_container_add (GTK_CONTAINER (clist->column[column].button), alignment);
gtk_widget_show (label);
gtk_widget_show (alignment);
/* if this button didn't previously exist, then the
* column button positions have to be re-computed */
if (GTK_WIDGET_VISIBLE (clist) && new_button)
size_allocate_title_buttons (clist);
}
void
gtk_clist_set_column_widget (GtkCList * clist,
gint column,
GtkWidget * widget)
{
gint new_button = 0;
GtkWidget *old_widget;
g_return_if_fail (clist != NULL);
if (column < 0 || column >= clist->columns)
return;
/* if the column button doesn't currently exist,
* it has to be created first */
if (!clist->column[column].button)
{
column_button_create (clist, column);
new_button = 1;
}
column_title_new (clist, column, NULL);
/* remove and destroy the old widget */
old_widget = GTK_BUTTON (clist->column[column].button)->child;
if (old_widget)
{
gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget);
gtk_widget_destroy (old_widget);
}
/* add and show the widget */
if (widget)
{
gtk_container_add (GTK_CONTAINER (clist->column[column].button), widget);
gtk_widget_show (widget);
}
/* if this button didn't previously exist, then the
* column button positions have to be re-computed */
if (GTK_WIDGET_VISIBLE (clist) && new_button)
size_allocate_title_buttons (clist);
}
void
gtk_clist_set_column_justification (GtkCList * clist,
gint column,
GtkJustification justification)
{
GtkWidget *alignment;
g_return_if_fail (clist != NULL);
if (column < 0 || column >= clist->columns)
return;
clist->column[column].justification = justification;
/* change the alinment of the button title if it's not a
* custom widget */
if (clist->column[column].title)
{
alignment = GTK_BUTTON (clist->column[column].button)->child;
switch (clist->column[column].justification)
{
case GTK_JUSTIFY_LEFT:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_RIGHT:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 1.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_CENTER:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_FILL:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0);
break;
default:
break;
}
}
if (!GTK_CLIST_FROZEN (clist))
draw_rows (clist, NULL);
}
void
gtk_clist_set_column_width (GtkCList * clist,
gint column,
gint width)
{
g_return_if_fail (clist != NULL);
if (column < 0 || column >= clist->columns)
return;
clist->column[column].width = width;
clist->column[column].width_set = TRUE;
/* FIXME: this is quite expensive to do if the widget hasn't
* been size_allocated yet, and pointless. Should
* a flag be kept
*/
size_allocate_columns (clist);
size_allocate_title_buttons (clist);
if (!GTK_CLIST_FROZEN (clist))
{
adjust_scrollbars (clist);
draw_rows (clist, NULL);
}
}
void
gtk_clist_set_row_height (GtkCList * clist,
gint height)
{
gint text_height;
g_return_if_fail (clist != NULL);
if (height > 0)
clist->row_height = height;
else
return;
GTK_CLIST_SET_FLAGS (clist, CLIST_ROW_HEIGHT_SET);
if (GTK_WIDGET_REALIZED (clist))
{
text_height = height - (GTK_WIDGET (clist)->style->font->ascent +
GTK_WIDGET (clist) ->style->font->descent + 1);
clist->row_center_offset = (text_height / 2) + GTK_WIDGET (clist)->style->font->ascent + 1.5;
}
if (!GTK_CLIST_FROZEN (clist))
{
adjust_scrollbars (clist);
draw_rows (clist, NULL);
}
}
void
gtk_clist_moveto (GtkCList * clist,
gint row,
gint column,
gfloat row_align,
gfloat col_align)
{
gint x, y;
g_return_if_fail (clist != NULL);
if (row < -1 || row >= clist->rows)
return;
if (column < -1 || column >= clist->columns)
return;
/* adjust vertical scrollbar */
if (row >= 0)
{
x = ROW_TOP (clist, row) - (row_align * (clist->clist_window_height -
(clist->row_height + 2 * CELL_SPACING)));
if (x < 0)
GTK_RANGE (clist->vscrollbar)->adjustment->value = 0.0;
else if (x > LIST_HEIGHT (clist) - clist->clist_window_height)
GTK_RANGE (clist->vscrollbar)->adjustment->value = LIST_HEIGHT (clist) -
clist->clist_window_height;
else
GTK_RANGE (clist->vscrollbar)->adjustment->value = x;
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment),
"value_changed");
}
/* adjust horizontal scrollbar */
if (column >= 0)
{
y = COLUMN_LEFT (clist, column) - (col_align * (clist->clist_window_width -
clist->column[column].area.width +
2 * (CELL_SPACING + COLUMN_INSET)));
if (y < 0)
GTK_RANGE (clist->hscrollbar)->adjustment->value = 0.0;
else if (y > LIST_WIDTH (clist) - clist->clist_window_width)
GTK_RANGE (clist->hscrollbar)->adjustment->value = LIST_WIDTH (clist) -
clist->clist_window_width;
else
GTK_RANGE (clist->hscrollbar)->adjustment->value = y;
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->hscrollbar)->adjustment),
"value_changed");
}
}
GtkCellType
gtk_clist_get_cell_type (GtkCList * clist,
gint row,
gint column)
{
GtkCListRow *clist_row;
g_return_val_if_fail (clist != NULL, -1);
if (row < 0 || row >= clist->rows)
return -1;
if (column < 0 || column >= clist->columns)
return -1;
clist_row = (g_list_nth (clist->row_list, row))->data;
return clist_row->cell[column].type;
}
void
gtk_clist_set_text (GtkCList * clist,
gint row,
gint column,
gchar * text)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
/* if text is null, then the cell is empty */
if (text)
cell_set_text (clist, clist_row, column, text);
else
cell_empty (clist, clist_row, column);
/* redraw the list if it's not frozen */
if (!GTK_CLIST_FROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
}
gint
gtk_clist_get_text (GtkCList * clist,
gint row,
gint column,
gchar ** text)
{
GtkCListRow *clist_row;
g_return_val_if_fail (clist != NULL, 0);
if (row < 0 || row >= clist->rows)
return 0;
if (column < 0 || column >= clist->columns)
return 0;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (clist_row->cell[column].type != GTK_CELL_TEXT)
return 0;
if (text)
*text = GTK_CELL_TEXT (clist_row->cell[column])->text;
return 1;
}
void
gtk_clist_set_pixmap (GtkCList * clist,
gint row,
gint column,
GdkPixmap * pixmap,
GdkBitmap * mask)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
gdk_pixmap_ref (pixmap);
if (mask) gdk_pixmap_ref (mask);
cell_set_pixmap (clist, clist_row, column, pixmap, mask);
/* redraw the list if it's not frozen */
if (!GTK_CLIST_FROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
}
gint
gtk_clist_get_pixmap (GtkCList * clist,
gint row,
gint column,
GdkPixmap ** pixmap,
GdkBitmap ** mask)
{
GtkCListRow *clist_row;
g_return_val_if_fail (clist != NULL, 0);
if (row < 0 || row >= clist->rows)
return 0;
if (column < 0 || column >= clist->columns)
return 0;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (clist_row->cell[column].type != GTK_CELL_PIXMAP)
return 0;
if (pixmap)
{
*pixmap = GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap;
/* mask can be NULL */
*mask = GTK_CELL_PIXMAP (clist_row->cell[column])->mask;
}
return 1;
}
void
gtk_clist_set_pixtext (GtkCList * clist,
gint row,
gint column,
gchar * text,
guint8 spacing,
GdkPixmap * pixmap,
GdkBitmap * mask)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
gdk_pixmap_ref (pixmap);
if (mask) gdk_pixmap_ref (mask);
cell_set_pixtext (clist, clist_row, column, text, spacing, pixmap, mask);
/* redraw the list if it's not frozen */
if (!GTK_CLIST_FROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
}
gint
gtk_clist_get_pixtext (GtkCList * clist,
gint row,
gint column,
gchar ** text,
guint8 * spacing,
GdkPixmap ** pixmap,
GdkBitmap ** mask)
{
GtkCListRow *clist_row;
g_return_val_if_fail (clist != NULL, 0);
if (row < 0 || row >= clist->rows)
return 0;
if (column < 0 || column >= clist->columns)
return 0;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (clist_row->cell[column].type != GTK_CELL_PIXTEXT)
return 0;
if (text)
*text = GTK_CELL_PIXTEXT (clist_row->cell[column])->text;
if (spacing)
*spacing = GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing;
if (pixmap)
*pixmap = GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap;
/* mask can be NULL */
*mask = GTK_CELL_PIXTEXT (clist_row->cell[column])->mask;
return 1;
}
void
gtk_clist_set_foreground (GtkCList * clist,
gint row,
GdkColor * color)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (color)
{
clist_row->foreground = *color;
clist_row->fg_set = TRUE;
}
else
clist_row->fg_set = FALSE;
if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
void
gtk_clist_set_background (GtkCList * clist,
gint row,
GdkColor * color)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (color)
{
clist_row->background = *color;
clist_row->bg_set = TRUE;
}
else
clist_row->bg_set = FALSE;
if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
void
gtk_clist_set_shift (GtkCList * clist,
gint row,
gint column,
gint vertical,
gint horizontal)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
clist_row->cell[column].vertical = vertical;
clist_row->cell[column].horizontal = horizontal;
if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
gint
gtk_clist_append (GtkCList * clist,
gchar * text[])
{
gint i;
GtkCListRow *clist_row;
g_return_val_if_fail (clist != NULL, -1);
clist_row = row_new (clist);
clist->rows++;
/* set the text in the row's columns */
if (text)
for (i = 0; i < clist->columns; i++)
if (text[i])
cell_set_text (clist, clist_row, i, text[i]);
/* keeps track of the end of the list so the list
* doesn't have to be traversed every time a item is added */
if (!clist->row_list)
{
clist->row_list = g_list_append (clist->row_list, clist_row);
clist->row_list_end = clist->row_list;
/* check the selection mode to see if we should select
* the first row automaticly */
switch (clist->selection_mode)
{
case GTK_SELECTION_BROWSE:
gtk_clist_select_row (clist, 0, -1);
break;
default:
break;
}
}
else
clist->row_list_end = (g_list_append (clist->row_list_end, clist_row))->next;
/* redraw the list if it's not frozen */
if (!GTK_CLIST_FROZEN (clist))
{
adjust_scrollbars (clist);
if (gtk_clist_row_is_visible (clist, clist->rows - 1))
draw_rows (clist, NULL);
}
/* return index of the row */
return clist->rows - 1;
}
void
gtk_clist_insert (GtkCList * clist,
gint row,
gchar * text[])
{
gint i;
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
g_return_if_fail (text != NULL);
/* return if out of bounds */
if (row < 0 || row > clist->rows)
return;
if (clist->rows == 0)
gtk_clist_append (clist, text);
else
{
/* create the row */
clist_row = row_new (clist);
/* set the text in the row's columns */
if (text)
for (i = 0; i < clist->columns; i++)
if (text[i])
cell_set_text (clist, clist_row, i, text[i]);
/* reset the row end pointer if we're inserting at the
* end of the list */
if (row == clist->rows)
clist->row_list_end = (g_list_append (clist->row_list_end, clist_row))->next;
else
clist->row_list = g_list_insert (clist->row_list, clist_row, row);
clist->rows++;
/* syncronize the selection list */
sync_selection (clist, row, SYNC_INSERT);
}
/* redraw the list if it isn't frozen */
if (!GTK_CLIST_FROZEN (clist))
{
adjust_scrollbars (clist);
if (gtk_clist_row_is_visible (clist, row))
draw_rows (clist, NULL);
}
}
void
gtk_clist_remove (GtkCList * clist,
gint row)
{
gint was_visible, was_selected;
GList *list;
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
/* return if out of bounds */
if (row < 0 || row > (clist->rows - 1))
return;
was_visible = gtk_clist_row_is_visible (clist, row);
was_selected = 0;
/* get the row we're going to delete */
list = g_list_nth (clist->row_list, row);
clist_row = list->data;
/* if we're removing a selected row, we have to make sure
* it's properly unselected, and then sync up the clist->selected
* list to reflect the deincrimented indexies of rows after the
* removal */
if (clist_row->state == GTK_STATE_SELECTED)
{
was_selected = 1;
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
case GTK_SELECTION_MULTIPLE:
gtk_clist_unselect_row (clist, row, -1);
break;
default:
break;
}
}
/* reset the row end pointer if we're removing at the
* end of the list */
if (row == clist->rows - 1)
clist->row_list_end = list->prev;
clist->row_list = g_list_remove (clist->row_list, clist_row);
clist->rows--;
sync_selection (clist, row, SYNC_REMOVE);
/* preform any selections required by the selection mode */
if (was_selected)
{
switch (clist->selection_mode)
{
case GTK_SELECTION_BROWSE:
if (row == clist->rows)
gtk_clist_select_row (clist, row - 1, -1);
else
gtk_clist_select_row (clist, row, -1);
break;
default:
break;
}
}
/* toast the row */
row_delete (clist, clist_row);
/* redraw the row if it isn't frozen */
if (!GTK_CLIST_FROZEN (clist))
{
adjust_scrollbars (clist);
if (was_visible)
draw_rows (clist, NULL);
}
}
static void
sync_selection (GtkCList * clist,
gint row,
gint mode)
{
GList *list;
list = clist->selection;
while (list)
{
if ((gint) list->data >= row)
switch (mode)
{
case SYNC_INSERT:
(gint) list->data = (gint) list->data + 1;
break;
case SYNC_REMOVE:
(gint) list->data = (gint) list->data - 1;
break;
default:
break;
}
list = list->next;
}
}
void
gtk_clist_clear (GtkCList * clist)
{
GList *list;
g_return_if_fail (clist != NULL);
/* remove all the rows */
for (list = clist->row_list; list; list = list->next)
{
GtkCListRow *clist_row;
clist_row = list->data;
row_delete (clist, clist_row);
}
g_list_free (clist->row_list);
/* free up the selection list */
g_list_free (clist->selection);
clist->row_list = NULL;
clist->row_list_end = NULL;
clist->selection = NULL;
clist->voffset = 0;
clist->rows = 0;
/* zero-out the scrollbars */
if (clist->vscrollbar)
{
GTK_RANGE (clist->vscrollbar)->adjustment->value = 0.0;
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "changed");
if (!GTK_CLIST_FROZEN (clist))
{
adjust_scrollbars (clist);
draw_rows (clist, NULL);
}
}
}
void
gtk_clist_set_row_data (GtkCList * clist,
gint row,
gpointer data)
{
gtk_clist_set_row_data_full (clist, row, data, NULL);
}
void
gtk_clist_set_row_data_full (GtkCList * clist,
gint row,
gpointer data,
GtkDestroyNotify destroy)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row > (clist->rows - 1))
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
clist_row->data = data;
clist_row->destroy = destroy;
/* re-send the selected signal if data is changed/added
* so the application can respond to the new data --
* this could be questionable behavior */
if (clist_row->state == GTK_STATE_SELECTED)
gtk_clist_select_row (clist, 0, 0);
}
gpointer
gtk_clist_get_row_data (GtkCList * clist,
gint row)
{
GtkCListRow *clist_row;
g_return_val_if_fail (clist != NULL, NULL);
if (row < 0 || row > (clist->rows - 1))
return NULL;
clist_row = (g_list_nth (clist->row_list, row))->data;
return clist_row->data;
}
gint
gtk_clist_find_row_from_data (GtkCList * clist,
gpointer data)
{
GList *list;
gint n;
g_return_val_if_fail (clist != NULL, -1);
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
if (clist->rows < 1)
return -1; /* is this an optimization or just worthless? */
n = 0;
list = clist->row_list;
while (list)
{
GtkCListRow *clist_row;
clist_row = list->data;
if (clist_row->data == data)
break;
n++;
list = list->next;
}
if (list)
return n;
return -1;
}
void
gtk_clist_select_row (GtkCList * clist,
gint row,
gint column)
{
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
if (column < -1 || column >= clist->columns)
return;
select_row (clist, row, column, NULL);
}
void
gtk_clist_unselect_row (GtkCList * clist,
gint row,
gint column)
{
g_return_if_fail (clist != NULL);
if (row < 0 || row >= clist->rows)
return;
if (column < -1 || column >= clist->columns)
return;
unselect_row (clist, row, column, NULL);
}
gint
gtk_clist_row_is_visible (GtkCList * clist,
gint row)
{
g_return_val_if_fail (clist != NULL, 0);
if (row < 0 || row >= clist->rows)
return 0;
if (clist->row_height == 0)
return 0;
if (row < ROW_FROM_YPIXEL (clist, 0))
return 0;
if (row > ROW_FROM_YPIXEL (clist, clist->clist_window_height))
return 0;
return 1;
}
GtkAdjustment *
gtk_clist_get_vadjustment (GtkCList * clist)
{
g_return_val_if_fail (clist != NULL, NULL);
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
return gtk_range_get_adjustment (GTK_RANGE (clist->vscrollbar));
}
GtkAdjustment *
gtk_clist_get_hadjustment (GtkCList * clist)
{
g_return_val_if_fail (clist != NULL, NULL);
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
return gtk_range_get_adjustment (GTK_RANGE (clist->hscrollbar));
}
void
gtk_clist_set_policy (GtkCList * clist,
GtkPolicyType vscrollbar_policy,
GtkPolicyType hscrollbar_policy)
{
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->vscrollbar_policy != vscrollbar_policy)
{
clist->vscrollbar_policy = vscrollbar_policy;
if (GTK_WIDGET (clist)->parent)
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
if (clist->hscrollbar_policy != hscrollbar_policy)
{
clist->hscrollbar_policy = hscrollbar_policy;
if (GTK_WIDGET (clist)->parent)
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
/*
* GTKOBJECT
* gtk_clist_destroy
* gtk_clist_finalize
*/
static void
gtk_clist_destroy (GtkObject * object)
{
gint i;
GtkCList *clist;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_CLIST (object));
clist = GTK_CLIST (object);
/* freeze the list */
GTK_CLIST_SET_FLAGS (clist, CLIST_FROZEN);
/* get rid of all the rows */
gtk_clist_clear (clist);
/* Since we don't have a _remove method, unparent the children
* instead of destroying them so the focus will be unset properly.
* (For other containers, the _remove method takes care of the
* unparent) The destroy will happen when the refcount drops
* to zero.
*/
/* destroy the scrollbars */
if (clist->vscrollbar)
{
gtk_widget_unparent (clist->vscrollbar);
clist->vscrollbar = NULL;
}
if (clist->hscrollbar)
{
gtk_widget_unparent (clist->hscrollbar);
clist->hscrollbar = NULL;
}
/* destroy the column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
{
gtk_widget_unparent (clist->column[i].button);
clist->column[i].button = NULL;
}
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(*GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
gtk_clist_finalize (GtkObject * object)
{
GtkCList *clist;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_CLIST (object));
clist = GTK_CLIST (object);
columns_delete (clist);
g_mem_chunk_destroy (clist->cell_mem_chunk);
g_mem_chunk_destroy (clist->row_mem_chunk);
if (GTK_OBJECT_CLASS (parent_class)->finalize)
(*GTK_OBJECT_CLASS (parent_class)->finalize) (object);
}
/*
* GTKWIDGET
* gtk_clist_realize
* gtk_clist_unrealize
* gtk_clist_map
* gtk_clist_unmap
* gtk_clist_draw
* gtk_clist_expose
* gtk_clist_button_press
* gtk_clist_button_release
* gtk_clist_button_motion
* gtk_clist_size_request
* gtk_clist_size_allocate
*/
static void
gtk_clist_realize (GtkWidget * widget)
{
gint i;
GtkCList *clist;
GdkWindowAttr attributes;
gint attributes_mask;
GdkGCValues values;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
GTK_WIDGET_SET_FLAGS (widget, 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);
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
/* main window */
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, clist);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
/* column-title window */
clist->title_window = gdk_window_new (widget->window, &attributes, attributes_mask);
gdk_window_set_user_data (clist->title_window, clist);
gtk_style_set_background (widget->style, clist->title_window, GTK_STATE_SELECTED);
gdk_window_show (clist->title_window);
/* set things up so column buttons are drawn in title window */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
gtk_widget_set_parent_window (clist->column[i].button, clist->title_window);
/* clist-window */
clist->clist_window = gdk_window_new (widget->window, &attributes, attributes_mask);
gdk_window_set_user_data (clist->clist_window, clist);
gdk_window_set_background (clist->clist_window, &widget->style->bg[GTK_STATE_PRELIGHT]);
gdk_window_show (clist->clist_window);
gdk_window_get_size (clist->clist_window, &clist->clist_window_width,
&clist->clist_window_height);
/* create resize windows */
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = (GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK);
attributes.cursor = clist->cursor_drag = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
attributes_mask = GDK_WA_CURSOR;
for (i = 0; i < clist->columns; i++)
{
clist->column[i].window = gdk_window_new (clist->title_window, &attributes, attributes_mask);
gdk_window_set_user_data (clist->column[i].window, clist);
gdk_window_show (clist->column[i].window);
}
/* GCs */
clist->fg_gc = gdk_gc_new (widget->window);
clist->bg_gc = gdk_gc_new (widget->window);
/* We'll use this gc to do scrolling as well */
gdk_gc_set_exposures (clist->fg_gc, TRUE);
values.foreground = widget->style->white;
values.function = GDK_XOR;
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
clist->xor_gc = gdk_gc_new_with_values (widget->window,
&values,
GDK_GC_FOREGROUND |
GDK_GC_FUNCTION |
GDK_GC_SUBWINDOW);
add_style_data (clist);
}
static void
gtk_clist_unrealize (GtkWidget * widget)
{
gint i;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
GTK_CLIST_SET_FLAGS (clist, CLIST_FROZEN);
gdk_cursor_destroy (clist->cursor_drag);
gdk_gc_destroy (clist->xor_gc);
gdk_gc_destroy (clist->fg_gc);
gdk_gc_destroy (clist->bg_gc);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window)
{
gdk_window_set_user_data (clist->column[i].window, NULL);
gdk_window_destroy (clist->column[i].window);
clist->column[i].window = NULL;
}
gdk_window_set_user_data (clist->clist_window, NULL);
gdk_window_destroy (clist->clist_window);
clist->clist_window = NULL;
gdk_window_set_user_data (clist->title_window, NULL);
gdk_window_destroy (clist->title_window);
clist->title_window = NULL;
clist->cursor_drag = NULL;
clist->xor_gc = NULL;
clist->fg_gc = NULL;
clist->bg_gc = NULL;
if (GTK_WIDGET_CLASS (parent_class)->unrealize)
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}
static void
gtk_clist_map (GtkWidget * widget)
{
gint i;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
if (!GTK_WIDGET_MAPPED (widget))
{
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
gdk_window_show (widget->window);
gdk_window_show (clist->title_window);
gdk_window_show (clist->clist_window);
/* map column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button &&
GTK_WIDGET_VISIBLE (clist->column[i].button) &&
!GTK_WIDGET_MAPPED (clist->column[i].button))
gtk_widget_map (clist->column[i].button);
/* map resize windows AFTER column buttons (above) */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window && clist->column[i].button)
gdk_window_show (clist->column[i].window);
/* map vscrollbars */
if (GTK_WIDGET_VISIBLE (clist->vscrollbar) &&
!GTK_WIDGET_MAPPED (clist->vscrollbar))
gtk_widget_map (clist->vscrollbar);
if (GTK_WIDGET_VISIBLE (clist->hscrollbar) &&
!GTK_WIDGET_MAPPED (clist->hscrollbar))
gtk_widget_map (clist->hscrollbar);
/* unfreeze the list */
GTK_CLIST_UNSET_FLAGS (clist, CLIST_FROZEN);
}
}
static void
gtk_clist_unmap (GtkWidget * widget)
{
gint i;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
if (GTK_WIDGET_MAPPED (widget))
{
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window)
gdk_window_hide (clist->column[i].window);
gdk_window_hide (clist->clist_window);
gdk_window_hide (clist->title_window);
gdk_window_hide (widget->window);
/* unmap scrollbars */
if (GTK_WIDGET_MAPPED (clist->vscrollbar))
gtk_widget_unmap (clist->vscrollbar);
if (GTK_WIDGET_MAPPED (clist->hscrollbar))
gtk_widget_unmap (clist->hscrollbar);
/* unmap column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button &&
GTK_WIDGET_MAPPED (clist->column[i].button))
gtk_widget_unmap (clist->column[i].button);
/* freeze the list */
GTK_CLIST_SET_FLAGS (clist, CLIST_FROZEN);
}
}
static void
gtk_clist_draw (GtkWidget * widget,
GdkRectangle * area)
{
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_DRAWABLE (widget))
{
clist = GTK_CLIST (widget);
gdk_window_clear_area (widget->window,
area->x, area->y,
area->width, area->height);
/* draw list shadow/border */
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, clist->shadow_type,
0, 0,
clist->clist_window_width + (2 * widget->style->klass->xthickness),
clist->clist_window_height + (2 * widget->style->klass->ythickness) +
clist->column_title_area.height);
gdk_window_clear_area (clist->clist_window,
0, 0, -1, -1);
draw_rows (clist, NULL);
}
}
static gint
gtk_clist_expose (GtkWidget * widget,
GdkEventExpose * event)
{
GtkCList *clist;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
{
clist = GTK_CLIST (widget);
/* draw border */
if (event->window == widget->window)
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, clist->shadow_type,
0, 0,
clist->clist_window_width + (2 * widget->style->klass->xthickness),
clist->clist_window_height + (2 * widget->style->klass->ythickness) +
clist->column_title_area.height);
/* exposure events on the list */
if (event->window == clist->clist_window)
draw_rows (clist, &event->area);
}
return FALSE;
}
static gint
gtk_clist_button_press (GtkWidget * widget,
GdkEventButton * event)
{
gint i;
GtkCList *clist;
gint x, y, row, column;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
clist = GTK_CLIST (widget);
/* selections on the list */
if (event->window == clist->clist_window)
{
x = event->x;
y = event->y;
if (get_selection_info (clist, x, y, &row, &column))
toggle_row (clist, row, column, event);
return FALSE;
}
/* press on resize windows */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window && event->window == clist->column[i].window)
{
GTK_CLIST_SET_FLAGS (clist, CLIST_IN_DRAG);
gtk_widget_get_pointer (widget, &clist->x_drag, NULL);
gdk_pointer_grab (clist->column[i].window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
draw_xor_line (clist);
return FALSE;
}
return FALSE;
}
static gint
gtk_clist_button_release (GtkWidget * widget,
GdkEventButton * event)
{
gint i, x, width, visible;
GtkCList *clist;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
clist = GTK_CLIST (widget);
/* release on resize windows */
if (GTK_CLIST_IN_DRAG (clist))
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window && event->window == clist->column[i].window)
{
GTK_CLIST_UNSET_FLAGS (clist, CLIST_IN_DRAG);
gtk_widget_get_pointer (widget, &x, NULL);
width = new_column_width (clist, i, &x, &visible);
gdk_pointer_ungrab (event->time);
if (visible)
draw_xor_line (clist);
resize_column (clist, i, width);
return FALSE;
}
return FALSE;
}
static gint
gtk_clist_motion (GtkWidget * widget,
GdkEventMotion * event)
{
gint i, x, visible;
GtkCList *clist;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
clist = GTK_CLIST (widget);
if (GTK_CLIST_IN_DRAG (clist))
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window && event->window == clist->column[i].window)
{
if (event->is_hint || event->window != widget->window)
gtk_widget_get_pointer (widget, &x, NULL);
else
x = event->x;
new_column_width (clist, i, &x, &visible);
/* Welcome to my hack! I'm going to use a value of x_drage = -99999 to
* indicate the the xor line is already no visible */
if (!visible && clist->x_drag != -99999)
{
draw_xor_line (clist);
clist->x_drag = -99999;
}
if (x != clist->x_drag && visible)
{
if (clist->x_drag != -99999)
draw_xor_line (clist);
clist->x_drag = x;
draw_xor_line (clist);
}
}
return TRUE;
}
static void
gtk_clist_size_request (GtkWidget * widget,
GtkRequisition * requisition)
{
gint i;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (requisition != NULL);
clist = GTK_CLIST (widget);
requisition->width = 0;
requisition->height = 0;
/* compute the size of the column title (title) area */
clist->column_title_area.height = 0;
if (GTK_CLIST_SHOW_TITLES (clist))
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
{
gtk_widget_size_request (clist->column[i].button, &clist->column[i].button->requisition);
clist->column_title_area.height = MAX (clist->column_title_area.height,
clist->column[i].button->requisition.height);
}
requisition->height += clist->column_title_area.height;
/* add the vscrollbar space */
if ((clist->vscrollbar_policy == GTK_POLICY_AUTOMATIC) ||
GTK_WIDGET_VISIBLE (clist->vscrollbar))
{
gtk_widget_size_request (clist->vscrollbar, &clist->vscrollbar->requisition);
requisition->width += clist->vscrollbar->requisition.width + SCROLLBAR_SPACING (clist);
requisition->height = MAX (requisition->height,
clist->vscrollbar->requisition.height);
}
/* add the hscrollbar space */
if ((clist->hscrollbar_policy == GTK_POLICY_AUTOMATIC) ||
GTK_WIDGET_VISIBLE (clist->hscrollbar))
{
gtk_widget_size_request (clist->hscrollbar, &clist->hscrollbar->requisition);
requisition->height += clist->hscrollbar->requisition.height + SCROLLBAR_SPACING (clist);
requisition->width = MAX (clist->hscrollbar->requisition.width,
requisition->width -
clist->vscrollbar->requisition.width);
}
requisition->width += widget->style->klass->xthickness * 2 +
GTK_CONTAINER (widget)->border_width * 2;
requisition->height += widget->style->klass->ythickness * 2 +
GTK_CONTAINER (widget)->border_width * 2;
}
static void
gtk_clist_size_allocate (GtkWidget * widget,
GtkAllocation * allocation)
{
GtkCList *clist;
GtkAllocation clist_allocation;
GtkAllocation child_allocation;
gint i, vscrollbar_vis, hscrollbar_vis;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (allocation != NULL);
clist = GTK_CLIST (widget);
widget->allocation = *allocation;
if (GTK_WIDGET_REALIZED (widget))
{
gdk_window_move_resize (widget->window,
allocation->x + GTK_CONTAINER (widget)->border_width,
allocation->y + GTK_CONTAINER (widget)->border_width,
allocation->width - GTK_CONTAINER (widget)->border_width * 2,
allocation->height - GTK_CONTAINER (widget)->border_width * 2);
/* use internal allocation structure for all the math
* because it's easier than always subtracting the container
* border width */
clist->internal_allocation.x = 0;
clist->internal_allocation.y = 0;
clist->internal_allocation.width = allocation->width -
GTK_CONTAINER (widget)->border_width * 2;
clist->internal_allocation.height = allocation->height -
GTK_CONTAINER (widget)->border_width * 2;
/* allocate clist window assuming no scrollbars */
clist_allocation.x = clist->internal_allocation.x + widget->style->klass->xthickness;
clist_allocation.y = clist->internal_allocation.y + widget->style->klass->ythickness +
clist->column_title_area.height;
clist_allocation.width = clist->internal_allocation.width -
(2 * widget->style->klass->xthickness);
clist_allocation.height = clist->internal_allocation.height -
(2 * widget->style->klass->xthickness) -
clist->column_title_area.height;
/*
* here's where we decide to show/not show the scrollbars
*/
vscrollbar_vis = 0;
hscrollbar_vis = 0;
for (i = 0; i <= 1; i++)
{
if (LIST_HEIGHT (clist) <= clist_allocation.height &&
clist->vscrollbar_policy == GTK_POLICY_AUTOMATIC)
{
vscrollbar_vis = 0;
}
else
{
if (!vscrollbar_vis)
{
vscrollbar_vis = 1;
clist_allocation.width -= clist->vscrollbar->requisition.width +
SCROLLBAR_SPACING (clist);
}
}
if (LIST_WIDTH (clist) <= clist_allocation.width &&
clist->hscrollbar_policy == GTK_POLICY_AUTOMATIC)
{
hscrollbar_vis = 0;
}
else
{
if (!hscrollbar_vis)
{
hscrollbar_vis = 1;
clist_allocation.height -= clist->hscrollbar->requisition.height +
SCROLLBAR_SPACING (clist);
}
}
}
clist->clist_window_width = clist_allocation.width;
clist->clist_window_height = clist_allocation.height;
gdk_window_move_resize (clist->clist_window,
clist_allocation.x,
clist_allocation.y,
clist_allocation.width,
clist_allocation.height);
/* position the window which holds the column title buttons */
clist->column_title_area.x = widget->style->klass->xthickness;
clist->column_title_area.y = widget->style->klass->ythickness;
clist->column_title_area.width = clist_allocation.width;
gdk_window_move_resize (clist->title_window,
clist->column_title_area.x,
clist->column_title_area.y,
clist->column_title_area.width,
clist->column_title_area.height);
/* column button allocation */
size_allocate_columns (clist);
size_allocate_title_buttons (clist);
adjust_scrollbars (clist);
/* allocate the vscrollbar */
if (vscrollbar_vis)
{
if (!GTK_WIDGET_VISIBLE (clist->vscrollbar))
gtk_widget_show (clist->vscrollbar);
child_allocation.x = clist->internal_allocation.x +
clist->internal_allocation.width -
clist->vscrollbar->requisition.width;
child_allocation.y = clist->internal_allocation.y;
child_allocation.width = clist->vscrollbar->requisition.width;
child_allocation.height = clist->internal_allocation.height -
(hscrollbar_vis ? (clist->hscrollbar->requisition.height + SCROLLBAR_SPACING (clist)) : 0);
gtk_widget_size_allocate (clist->vscrollbar, &child_allocation);
}
else
{
if (GTK_WIDGET_VISIBLE (clist->vscrollbar))
gtk_widget_hide (clist->vscrollbar);
}
if (hscrollbar_vis)
{
if (!GTK_WIDGET_VISIBLE (clist->hscrollbar))
gtk_widget_show (clist->hscrollbar);
child_allocation.x = clist->internal_allocation.x;
child_allocation.y = clist->internal_allocation.y +
clist->internal_allocation.height -
clist->hscrollbar->requisition.height;
child_allocation.width = clist->internal_allocation.width -
(vscrollbar_vis ? (clist->vscrollbar->requisition.width + SCROLLBAR_SPACING (clist)) : 0);
child_allocation.height = clist->hscrollbar->requisition.height;
gtk_widget_size_allocate (clist->hscrollbar, &child_allocation);
}
else
{
if (GTK_WIDGET_VISIBLE (clist->hscrollbar))
gtk_widget_hide (clist->hscrollbar);
}
}
/* set the vscrollbar adjustments */
adjust_scrollbars (clist);
}
/*
* GTKCONTAINER
* gtk_clist_foreach
*/
static void
gtk_clist_foreach (GtkContainer * container,
GtkCallback callback,
gpointer callback_data)
{
gint i;
GtkCList *clist;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_CLIST (container));
g_return_if_fail (callback != NULL);
clist = GTK_CLIST (container);
/* callback for the column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
(*callback) (clist->column[i].button, callback_data);
/* callbacks for the scrollbars */
if (clist->vscrollbar)
(*callback) (clist->vscrollbar, callback_data);
if (clist->hscrollbar)
(*callback) (clist->hscrollbar, callback_data);
}
/*
* DRAWING
* draw_row
* draw_rows
*/
static void
draw_row (GtkCList * clist,
GdkRectangle * area,
gint row,
GtkCListRow * clist_row)
{
GtkWidget *widget;
GdkGC *fg_gc, *bg_gc;
GdkRectangle row_rectangle, cell_rectangle, clip_rectangle, intersect_rectangle,
*rect;
gint i, offset = 0, width, height, pixmap_width = 0;
gint xsrc, ysrc, xdest, ydest;
g_return_if_fail (clist != NULL);
/* bail now if we arn't drawable yet */
if (!GTK_WIDGET_DRAWABLE (clist))
return;
if (row < 0 || row >= clist->rows)
return;
widget = GTK_WIDGET (clist);
/* if the function is passed the pointer to the row instead of null,
* it avoids this expensive lookup */
if (!clist_row)
clist_row = (g_list_nth (clist->row_list, row))->data;
/* rectangle of the entire row */
row_rectangle.x = 0;
row_rectangle.y = ROW_TOP_YPIXEL (clist, row);
row_rectangle.width = clist->clist_window_width;
row_rectangle.height = clist->row_height;
/* rectangle of the cell spacing above the row */
cell_rectangle.x = 0;
cell_rectangle.y = row_rectangle.y - CELL_SPACING;
cell_rectangle.width = row_rectangle.width;
cell_rectangle.height = CELL_SPACING;
/* rectangle used to clip drawing operations, it's y and height
* positions only need to be set once, so we set them once here.
* the x and width are set withing the drawing loop below once per
* column */
clip_rectangle.y = row_rectangle.y;
clip_rectangle.height = row_rectangle.height;
/* select GC for background rectangle */
if (clist_row->state == GTK_STATE_SELECTED)
{
fg_gc = widget->style->fg_gc[GTK_STATE_SELECTED];
bg_gc = widget->style->bg_gc[GTK_STATE_SELECTED];
}
else
{
if (clist_row->fg_set)
{
gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground);
fg_gc = clist->fg_gc;
}
else
fg_gc = widget->style->fg_gc[GTK_STATE_NORMAL];
if (clist_row->bg_set)
{
gdk_gc_set_foreground (clist->bg_gc, &clist_row->background);
bg_gc = clist->bg_gc;
}
else
bg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT];
}
/* draw the cell borders and background */
if (area)
{
if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle))
gdk_draw_rectangle (clist->clist_window,
widget->style->white_gc,
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
/* the last row has to clear it's bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle))
gdk_draw_rectangle (clist->clist_window,
widget->style->white_gc,
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
}
if (!gdk_rectangle_intersect (area, &row_rectangle, &intersect_rectangle))
return;
if (clist_row->state == GTK_STATE_SELECTED || clist_row->fg_set)
gdk_draw_rectangle (clist->clist_window,
bg_gc,
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
else
gdk_window_clear_area (clist->clist_window,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
}
else
{
gdk_draw_rectangle (clist->clist_window,
widget->style->white_gc,
TRUE,
cell_rectangle.x,
cell_rectangle.y,
cell_rectangle.width,
cell_rectangle.height);
/* the last row has to clear it's bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
gdk_draw_rectangle (clist->clist_window,
widget->style->white_gc,
TRUE,
cell_rectangle.x,
cell_rectangle.y,
cell_rectangle.width,
cell_rectangle.height);
}
if (clist_row->state == GTK_STATE_SELECTED || clist_row->fg_set)
gdk_draw_rectangle (clist->clist_window,
bg_gc,
TRUE,
row_rectangle.x,
row_rectangle.y,
row_rectangle.width,
row_rectangle.height);
else
gdk_window_clear_area (clist->clist_window,
row_rectangle.x,
row_rectangle.y,
row_rectangle.width,
row_rectangle.height);
}
/* iterate and draw all the columns (row cells) and draw their contents */
for (i = 0; i < clist->columns; i++)
{
clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
clip_rectangle.width = clist->column[i].area.width;
/* calculate clipping region clipping region */
if (!area)
{
rect = &clip_rectangle;
}
else
{
if (!gdk_rectangle_intersect (area, &clip_rectangle, &intersect_rectangle))
continue;
rect = &intersect_rectangle;
}
/* calculate real width for column justification */
switch (clist_row->cell[i].type)
{
case GTK_CELL_EMPTY:
continue;
break;
case GTK_CELL_TEXT:
width = gdk_string_width (GTK_WIDGET (clist)->style->font,
GTK_CELL_TEXT (clist_row->cell[i])->text);
break;
case GTK_CELL_PIXMAP:
gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, &width, &height);
pixmap_width = width;
break;
case GTK_CELL_PIXTEXT:
gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, &width, &height);
pixmap_width = width;
width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
width = gdk_string_width (GTK_WIDGET (clist)->style->font,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
break;
case GTK_CELL_WIDGET:
/* unimplimented */
continue;
break;
default:
continue;
break;
}
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_LEFT:
offset = clip_rectangle.x;
break;
case GTK_JUSTIFY_RIGHT:
offset = (clip_rectangle.x + clip_rectangle.width) - width;
break;
case GTK_JUSTIFY_CENTER:
offset = (clip_rectangle.x + (clip_rectangle.width / 2)) - (width / 2);
break;
case GTK_JUSTIFY_FILL:
offset = (clip_rectangle.x + (clip_rectangle.width / 2)) - (width / 2);
break;
default:
offset = 0;
break;
};
/* Draw Text or Pixmap */
switch (clist_row->cell[i].type)
{
case GTK_CELL_EMPTY:
continue;
break;
case GTK_CELL_TEXT:
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string (clist->clist_window,
widget->style->font,
fg_gc,
offset + clist_row->cell[i].horizontal,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_TEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
case GTK_CELL_PIXMAP:
xsrc = 0;
ysrc = 0;
xdest = offset + clist_row->cell[i].horizontal;
ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 +
clist_row->cell[i].vertical;
if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXMAP (clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
gdk_draw_pixmap (clist->clist_window,
fg_gc,
GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
xsrc, ysrc,
xdest,
ydest,
pixmap_width, height);
if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_origin (fg_gc, 0, 0);
gdk_gc_set_clip_mask (fg_gc, NULL);
}
break;
case GTK_CELL_PIXTEXT:
/* draw the pixmap */
xsrc = 0;
ysrc = 0;
xdest = offset + clist_row->cell[i].horizontal;
ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 +
clist_row->cell[i].vertical;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
gdk_draw_pixmap (clist->clist_window,
fg_gc,
GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
xsrc, ysrc,
xdest,
ydest,
pixmap_width, height);
gdk_gc_set_clip_origin (fg_gc, 0, 0);
offset += pixmap_width + GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
/* draw the string */
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string (clist->clist_window,
widget->style->font,
fg_gc,
offset + clist_row->cell[i].horizontal,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
case GTK_CELL_WIDGET:
/* unimplimented */
continue;
break;
default:
continue;
break;
}
}
}
static void
draw_rows (GtkCList * clist,
GdkRectangle * area)
{
GList *list;
GtkCListRow *clist_row;
int i, first_row, last_row;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->row_height == 0 ||
!GTK_WIDGET_DRAWABLE (clist))
return;
if (area)
{
first_row = ROW_FROM_YPIXEL (clist, area->y);
last_row = ROW_FROM_YPIXEL (clist, area->y + area->height);
}
else
{
first_row = ROW_FROM_YPIXEL (clist, 0);
last_row = ROW_FROM_YPIXEL (clist, clist->clist_window_height);
}
/* this is a small special case which exposes the bottom cell line
* on the last row -- it might go away if I change the wall the cell spacings
* are drawn */
if (clist->rows == first_row)
first_row--;
list = g_list_nth (clist->row_list, first_row);
i = first_row;
while (list)
{
clist_row = list->data;
list = list->next;
if (i > last_row)
return;
draw_row (clist, area, i, clist_row);
i++;
}
if (!area)
gdk_window_clear_area (clist->clist_window, 0, ROW_TOP_YPIXEL (clist, i), -1, -1);
}
/*
* SIZE ALLOCATION
* size_allocate_title_buttons
* size_allocate_columns
*/
static void
size_allocate_title_buttons (GtkCList * clist)
{
gint i, last_button = 0;
GtkAllocation button_allocation;
if (!GTK_WIDGET_REALIZED (clist))
return;
button_allocation.x = clist->hoffset;
button_allocation.y = 0;
button_allocation.width = 0;
button_allocation.height = clist->column_title_area.height;
for (i = 0; i < clist->columns; i++)
{
button_allocation.width += clist->column[i].area.width;
if (i == clist->columns - 1)
button_allocation.width += 2 * (CELL_SPACING + COLUMN_INSET);
else
button_allocation.width += CELL_SPACING + (2 * COLUMN_INSET);
if (i == (clist->columns - 1) || clist->column[i + 1].button)
{
gtk_widget_size_allocate (clist->column[last_button].button, &button_allocation);
button_allocation.x += button_allocation.width;
button_allocation.width = 0;
gdk_window_show (clist->column[last_button].window);
gdk_window_move_resize (clist->column[last_button].window,
button_allocation.x - (DRAG_WIDTH / 2),
0, DRAG_WIDTH, clist->column_title_area.height);
last_button = i + 1;
}
else
{
gdk_window_hide (clist->column[i].window);
}
}
}
static void
size_allocate_columns (GtkCList * clist)
{
gint i, xoffset = 0;
if (!GTK_WIDGET_REALIZED (clist))
return;
for (i = 0; i < clist->columns; i++)
{
clist->column[i].area.x = xoffset + CELL_SPACING + COLUMN_INSET;
if (i == clist->columns - 1)
{
gint width;
if (clist->column[i].width_set)
width = clist->column[i].width;
else
width = gdk_string_width (GTK_WIDGET (clist)->style->font, clist->column[i].title);
clist->column[i].area.width = MAX (width,
clist->clist_window_width -
xoffset - (2 * (CELL_SPACING + COLUMN_INSET)));
}
else
{
clist->column[i].area.width = clist->column[i].width;
}
xoffset += clist->column[i].area.width + CELL_SPACING + (2 * COLUMN_INSET);
}
}
/*
* SELECTION
* select_row
* real_select_row
* real_unselect_row
* get_selection_info
*/
static void
toggle_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event)
{
gint i;
GList *list;
GtkCListRow *clist_row, *selected_row;
i = 0;
list = clist->row_list;
selected_row = NULL;
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
while (list)
{
clist_row = list->data;
list = list->next;
if (row == i)
selected_row = clist_row;
else if (clist_row->state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
i, column, event);
i++;
}
if (selected_row && selected_row->state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, column, event);
else
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_BROWSE:
while (list)
{
clist_row = list->data;
list = list->next;
if (i != row && clist_row->state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
i, column, event);
i++;
}
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_MULTIPLE:
clist_row = (g_list_nth (clist->row_list, row))->data;
if (clist_row->state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, column, event);
else
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_EXTENDED:
break;
default:
break;
}
}
static void
select_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event)
{
gint i;
GList *list;
GtkCListRow *clist_row;
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
i = 0;
list = clist->row_list;
while (list)
{
clist_row = list->data;
list = list->next;
if (row != i && clist_row->state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
i, column, event);
i++;
}
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_MULTIPLE:
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_EXTENDED:
break;
default:
break;
}
}
static void
unselect_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event)
{
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
case GTK_SELECTION_MULTIPLE:
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_EXTENDED:
break;
default:
break;
}
}
static void
real_select_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row > (clist->rows - 1))
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (clist_row->state == GTK_STATE_NORMAL)
{
clist_row->state = GTK_STATE_SELECTED;
clist->selection = g_list_append (clist->selection, (gpointer) row);
if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
}
static void
real_unselect_row (GtkCList * clist,
gint row,
gint column,
GdkEventButton * event)
{
GtkCListRow *clist_row;
g_return_if_fail (clist != NULL);
if (row < 0 || row > (clist->rows - 1))
return;
clist_row = (g_list_nth (clist->row_list, row))->data;
if (clist_row->state == GTK_STATE_SELECTED)
{
clist_row->state = GTK_STATE_NORMAL;
clist->selection = g_list_remove (clist->selection, (gpointer) row);
if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row))
draw_row (clist, NULL, row, clist_row);
}
}
static gint
get_selection_info (GtkCList * clist,
gint x,
gint y,
gint * row,
gint * column)
{
gint trow, tcol;
g_return_val_if_fail (clist != NULL, 0);
/* bounds checking, return false if the user clicked
* on a blank area */
trow = ROW_FROM_YPIXEL (clist, y);
if (trow >= clist->rows)
return 0;
if (row)
*row = trow;
tcol = COLUMN_FROM_XPIXEL (clist, x);
if (tcol >= clist->columns)
return 0;
if (column)
*column = tcol;
return 1;
}
/*
* RESIZE COLUMNS
* draw_xor_line
* new_column_width
* resize_column
*/
static void
draw_xor_line (GtkCList * clist)
{
GtkWidget *widget;
g_return_if_fail (clist != NULL);
widget = GTK_WIDGET (clist);
gdk_draw_line (widget->window, clist->xor_gc,
clist->x_drag,
widget->style->klass->ythickness,
clist->x_drag,
clist->column_title_area.height + clist->clist_window_height + 1);
}
/* this function returns the new width of the column being resized given
* the column and x position of the cursor; the x cursor position is passed
* in as a pointer and automagicly corrected if it's beyond min/max limits */
static gint
new_column_width (GtkCList * clist,
gint column,
gint * x,
gint * visible)
{
gint cx, rx, width;
cx = *x;
/* first translate the x position from widget->window
* to clist->clist_window */
cx -= GTK_WIDGET (clist)->style->klass->xthickness;
/* rx is x from the list beginning */
rx = cx - clist->hoffset;
/* you can't shrink a column to less than its minimum width */
if (cx < (COLUMN_LEFT_XPIXEL (clist, column) + CELL_SPACING + COLUMN_INSET + COLUMN_MIN_WIDTH))
{
*x = cx = COLUMN_LEFT_XPIXEL (clist, column) + CELL_SPACING + COLUMN_INSET + COLUMN_MIN_WIDTH +
GTK_WIDGET (clist)->style->klass->xthickness;
cx -= GTK_WIDGET (clist)->style->klass->xthickness;
rx = cx - clist->hoffset;
}
if (cx > clist->clist_window_width)
*visible = 0;
else
*visible = 1;
/* calculate new column width making sure it doesn't end up
* less than the minimum width */
width = (rx - COLUMN_LEFT (clist, column)) - COLUMN_INSET -
((clist->columns == (column - 1)) ? CELL_SPACING : 0);
if (width < COLUMN_MIN_WIDTH)
width = COLUMN_MIN_WIDTH;
return width;
}
/* this will do more later */
static void
resize_column (GtkCList * clist,
gint column,
gint width)
{
gtk_clist_set_column_width (clist, column, width);
}
/* BUTTONS */
static void
column_button_create (GtkCList * clist,
gint column)
{
GtkWidget *button;
button = clist->column[column].button = gtk_button_new ();
gtk_widget_set_parent (button, GTK_WIDGET (clist));
if (GTK_WIDGET_REALIZED (clist) && clist->title_window)
gtk_widget_set_parent_window (clist->column[column].button, clist->title_window);
gtk_signal_connect (GTK_OBJECT (button),
"clicked",
(GtkSignalFunc) column_button_clicked,
(gpointer) clist);
gtk_widget_show (button);
}
static void
column_button_clicked (GtkWidget * widget,
gpointer data)
{
gint i;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (data));
clist = GTK_CLIST (data);
/* find the column who's button was pressed */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button == widget)
break;
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[CLICK_COLUMN], i);
}
/*
* SCROLLBARS
*
* functions:
* create_scrollbars
* adjust_scrollbars
* vadjustment_changed
* hadjustment_changed
* vadjustment_value_changed
* hadjustment_value_changed
*/
static void
create_scrollbars (GtkCList * clist)
{
GtkAdjustment *adjustment;
clist->vscrollbar = gtk_vscrollbar_new (NULL);
adjustment = gtk_range_get_adjustment (GTK_RANGE (clist->vscrollbar));
gtk_signal_connect (GTK_OBJECT (adjustment), "changed",
(GtkSignalFunc) vadjustment_changed,
(gpointer) clist);
gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
(GtkSignalFunc) vadjustment_value_changed,
(gpointer) clist);
gtk_widget_set_parent (clist->vscrollbar, GTK_WIDGET (clist));
gtk_widget_show (clist->vscrollbar);
clist->hscrollbar = gtk_hscrollbar_new (NULL);
adjustment = gtk_range_get_adjustment (GTK_RANGE (clist->hscrollbar));
gtk_signal_connect (GTK_OBJECT (adjustment), "changed",
(GtkSignalFunc) hadjustment_changed,
(gpointer) clist);
gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
(GtkSignalFunc) hadjustment_value_changed,
(gpointer) clist);
gtk_widget_set_parent (clist->hscrollbar, GTK_WIDGET (clist));
gtk_widget_show (clist->hscrollbar);
}
static void
adjust_scrollbars (GtkCList * clist)
{
GTK_RANGE (clist->vscrollbar)->adjustment->page_size = clist->clist_window_height;
GTK_RANGE (clist->vscrollbar)->adjustment->page_increment = clist->clist_window_height / 2;
GTK_RANGE (clist->vscrollbar)->adjustment->step_increment = 10;
GTK_RANGE (clist->vscrollbar)->adjustment->lower = 0;
GTK_RANGE (clist->vscrollbar)->adjustment->upper = LIST_HEIGHT (clist);
if (clist->clist_window_height - clist->voffset > LIST_HEIGHT (clist))
{
GTK_RANGE (clist->vscrollbar)->adjustment->value = LIST_HEIGHT (clist) -
clist->clist_window_height;
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment),
"value_changed");
}
GTK_RANGE (clist->hscrollbar)->adjustment->page_size = clist->clist_window_width;
GTK_RANGE (clist->hscrollbar)->adjustment->page_increment = clist->clist_window_width / 2;
GTK_RANGE (clist->hscrollbar)->adjustment->step_increment = 10;
GTK_RANGE (clist->hscrollbar)->adjustment->lower = 0;
GTK_RANGE (clist->hscrollbar)->adjustment->upper = LIST_WIDTH (clist);
if (clist->clist_window_width - clist->hoffset > LIST_WIDTH (clist))
{
GTK_RANGE (clist->hscrollbar)->adjustment->value = LIST_WIDTH (clist) -
clist->clist_window_width;
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->hscrollbar)->adjustment),
"value_changed");
}
if (LIST_HEIGHT (clist) <= clist->clist_window_height &&
clist->vscrollbar_policy == GTK_POLICY_AUTOMATIC)
{
if (GTK_WIDGET_VISIBLE (clist->vscrollbar))
{
gtk_widget_hide (clist->vscrollbar);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
else
{
if (!GTK_WIDGET_VISIBLE (clist->vscrollbar))
{
gtk_widget_show (clist->vscrollbar);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
if (LIST_WIDTH (clist) <= clist->clist_window_width &&
clist->hscrollbar_policy == GTK_POLICY_AUTOMATIC)
{
if (GTK_WIDGET_VISIBLE (clist->hscrollbar))
{
gtk_widget_hide (clist->hscrollbar);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
else
{
if (!GTK_WIDGET_VISIBLE (clist->hscrollbar))
{
gtk_widget_show (clist->hscrollbar);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "changed");
gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->hscrollbar)->adjustment), "changed");
}
static void
vadjustment_changed (GtkAdjustment * adjustment,
gpointer data)
{
GtkCList *clist;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (data != NULL);
clist = GTK_CLIST (data);
}
static void
hadjustment_changed (GtkAdjustment * adjustment,
gpointer data)
{
GtkCList *clist;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (data != NULL);
clist = GTK_CLIST (data);
}
static void
check_exposures (GtkCList *clist)
{
GdkEvent *event;
if (!GTK_WIDGET_REALIZED (clist))
return;
/* Make sure graphics expose events are processed before scrolling
* again */
while ((event = gdk_event_get_graphics_expose (clist->clist_window)) != NULL)
{
gtk_widget_event (GTK_WIDGET (clist), event);
if (event->expose.count == 0)
{
gdk_event_free (event);
break;
}
gdk_event_free (event);
}
}
static void
vadjustment_value_changed (GtkAdjustment * adjustment,
gpointer data)
{
GtkCList *clist;
GdkRectangle area;
gint diff, value;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (data != NULL);
g_return_if_fail (GTK_IS_CLIST (data));
clist = GTK_CLIST (data);
if (!GTK_WIDGET_DRAWABLE (clist))
return;
value = adjustment->value;
if (adjustment == gtk_range_get_adjustment (GTK_RANGE (clist->vscrollbar)))
{
if (value > -clist->voffset)
{
/* scroll down */
diff = value + clist->voffset;
/* we have to re-draw the whole screen here... */
if (diff >= clist->clist_window_height)
{
clist->voffset = -value;
draw_rows (clist, NULL);
return;
}
if ((diff != 0) && (diff != clist->clist_window_height))
gdk_window_copy_area (clist->clist_window,
clist->fg_gc,
0, 0,
clist->clist_window,
0,
diff,
clist->clist_window_width,
clist->clist_window_height - diff);
area.x = 0;
area.y = clist->clist_window_height - diff;
area.width = clist->clist_window_width;
area.height = diff;
}
else
{
/* scroll up */
diff = -clist->voffset - value;
/* we have to re-draw the whole screen here... */
if (diff >= clist->clist_window_height)
{
clist->voffset = -value;
draw_rows (clist, NULL);
return;
}
if ((diff != 0) && (diff != clist->clist_window_height))
gdk_window_copy_area (clist->clist_window,
clist->fg_gc,
0, diff,
clist->clist_window,
0,
0,
clist->clist_window_width,
clist->clist_window_height - diff);
area.x = 0;
area.y = 0;
area.width = clist->clist_window_width;
area.height = diff;
}
clist->voffset = -value;
if ((diff != 0) && (diff != clist->clist_window_height))
check_exposures (clist);
}
draw_rows (clist, &area);
}
static void
hadjustment_value_changed (GtkAdjustment * adjustment,
gpointer data)
{
GtkCList *clist;
GdkRectangle area;
gint i, diff, value;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (data != NULL);
g_return_if_fail (GTK_IS_CLIST (data));
clist = GTK_CLIST (data);
if (!GTK_WIDGET_DRAWABLE (clist))
return;
value = adjustment->value;
if (adjustment == gtk_range_get_adjustment (GTK_RANGE (clist->hscrollbar)))
{
/* move the column buttons and resize windows */
for (i = 0; i < clist->columns; i++)
{
if (clist->column[i].button)
{
clist->column[i].button->allocation.x -= value + clist->hoffset;
if (clist->column[i].button->window)
{
gdk_window_move (clist->column[i].button->window,
clist->column[i].button->allocation.x,
clist->column[i].button->allocation.y);
if (clist->column[i].window)
gdk_window_move (clist->column[i].window,
clist->column[i].button->allocation.x +
clist->column[i].button->allocation.width -
(DRAG_WIDTH / 2), 0);
}
}
}
if (value > -clist->hoffset)
{
/* scroll right */
diff = value + clist->hoffset;
/* we have to re-draw the whole screen here... */
if (diff >= clist->clist_window_width)
{
clist->hoffset = -value;
draw_rows (clist, NULL);
return;
}
if ((diff != 0) && (diff != clist->clist_window_width))
gdk_window_copy_area (clist->clist_window,
clist->fg_gc,
0, 0,
clist->clist_window,
diff,
0,
clist->clist_window_width - diff,
clist->clist_window_height);
area.x = clist->clist_window_width - diff;
area.y = 0;
area.width = diff;
area.height = clist->clist_window_height;
}
else
{
/* scroll left */
diff = -clist->hoffset - value;
/* we have to re-draw the whole screen here... */
if (diff >= clist->clist_window_width)
{
clist->hoffset = -value;
draw_rows (clist, NULL);
return;
}
if ((diff != 0) && (diff != clist->clist_window_width))
gdk_window_copy_area (clist->clist_window,
clist->fg_gc,
diff, 0,
clist->clist_window,
0,
0,
clist->clist_window_width - diff,
clist->clist_window_height);
area.x = 0;
area.y = 0;
area.width = diff;
area.height = clist->clist_window_height;
}
clist->hoffset = -value;
if ((diff != 0) && (diff != clist->clist_window_width))
check_exposures (clist);
}
draw_rows (clist, &area);
}
/*
* Memory Allocation/Distruction Routines for GtkCList stuctures
*
* functions:
* columns_new
* column_title_new
* columns_delete
* row_new
* row_delete
* cell_empty
* cell_set_text
* cell_set_pixmap
*/
static GtkCListColumn *
columns_new (GtkCList * clist)
{
gint i;
GtkCListColumn *column;
column = g_new (GtkCListColumn, clist->columns);
for (i = 0; i < clist->columns; i++)
{
column[i].area.x = 0;
column[i].area.y = 0;
column[i].area.width = 0;
column[i].area.height = 0;
column[i].title = NULL;
column[i].button = NULL;
column[i].window = NULL;
column[i].width = 0;
column[i].width_set = FALSE;
column[i].justification = GTK_JUSTIFY_LEFT;
}
return column;
}
static void
column_title_new (GtkCList * clist,
gint column,
gchar * title)
{
if (clist->column[column].title)
g_free (clist->column[column].title);
clist->column[column].title = g_strdup (title);
}
static void
columns_delete (GtkCList * clist)
{
gint i;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].title)
g_free (clist->column[i].title);
g_free (clist->column);
}
static GtkCListRow *
row_new (GtkCList * clist)
{
int i;
GtkCListRow *clist_row;
clist_row = g_chunk_new (GtkCListRow, clist->row_mem_chunk);
clist_row->cell = g_chunk_new (GtkCell, clist->cell_mem_chunk);
for (i = 0; i < clist->columns; i++)
{
clist_row->cell[i].type = GTK_CELL_EMPTY;
clist_row->cell[i].vertical = 0;
clist_row->cell[i].horizontal = 0;
}
clist_row->fg_set = FALSE;
clist_row->bg_set = FALSE;
clist_row->state = GTK_STATE_NORMAL;
clist_row->data = NULL;
clist_row->destroy = NULL;
return clist_row;
}
static void
row_delete (GtkCList * clist,
GtkCListRow * clist_row)
{
gint i;
for (i = 0; i < clist->columns; i++)
cell_empty (clist, clist_row, i);
if (clist_row->destroy)
clist_row->destroy (clist_row->data);
g_mem_chunk_free (clist->cell_mem_chunk, clist_row->cell);
g_mem_chunk_free (clist->row_mem_chunk, clist_row);
}
static void
cell_empty (GtkCList * clist,
GtkCListRow * clist_row,
gint column)
{
switch (clist_row->cell[column].type)
{
case GTK_CELL_EMPTY:
break;
case GTK_CELL_TEXT:
g_free (GTK_CELL_TEXT (clist_row->cell[column])->text);
break;
case GTK_CELL_PIXMAP:
gdk_pixmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap);
if (GTK_CELL_PIXMAP (clist_row->cell[column])->mask)
gdk_bitmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->mask);
break;
case GTK_CELL_PIXTEXT:
g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text);
gdk_pixmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap);
if (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask)
gdk_bitmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask);
break;
case GTK_CELL_WIDGET:
/* unimplimented */
break;
default:
break;
}
clist_row->cell[column].type = GTK_CELL_EMPTY;
}
static void
cell_set_text (GtkCList * clist,
GtkCListRow * clist_row,
gint column,
gchar * text)
{
cell_empty (clist, clist_row, column);
if (text)
{
clist_row->cell[column].type = GTK_CELL_TEXT;
GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text);
}
}
static void
cell_set_pixmap (GtkCList * clist,
GtkCListRow * clist_row,
gint column,
GdkPixmap * pixmap,
GdkBitmap * mask)
{
cell_empty (clist, clist_row, column);
if (pixmap)
{
clist_row->cell[column].type = GTK_CELL_PIXMAP;
GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap;
/* We set the mask even if it is NULL */
GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask;
}
}
static void
cell_set_pixtext (GtkCList * clist,
GtkCListRow * clist_row,
gint column,
gchar * text,
guint8 spacing,
GdkPixmap * pixmap,
GdkBitmap * mask)
{
cell_empty (clist, clist_row, column);
if (text && pixmap)
{
clist_row->cell[column].type = GTK_CELL_PIXTEXT;
GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap;
GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask;
}
}
/* Fill in data after widget is realized and has style */
static void
add_style_data (GtkCList * clist)
{
GtkWidget *widget;
widget = GTK_WIDGET(clist);
/* text properties */
if (!GTK_CLIST_ROW_HEIGHT_SET (clist))
{
clist->row_height = widget->style->font->ascent + widget->style->font->descent + 1;
clist->row_center_offset = widget->style->font->ascent + 1.5;
}
else
{
gint text_height;
text_height = clist->row_height - (GTK_WIDGET (clist)->style->font->ascent +
GTK_WIDGET (clist) ->style->font->descent + 1);
clist->row_center_offset = (text_height / 2) + GTK_WIDGET (clist)->style->font->ascent + 1.5;
}
/* Column widths */
}
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