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gtk2/gtk/gtkgc.c
Owen Taylor 4851efe296 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

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gtkgc.h"
typedef struct _GtkGCKey GtkGCKey;
typedef struct _GtkGCDrawable GtkGCDrawable;
struct _GtkGCKey
{
gint depth;
GdkColormap *colormap;
GdkGCValues values;
GdkGCValuesMask mask;
};
struct _GtkGCDrawable
{
gint depth;
GdkPixmap *drawable;
};
static void gtk_gc_init (void);
static GtkGCKey* gtk_gc_key_dup (GtkGCKey *key);
static void gtk_gc_key_destroy (GtkGCKey *key);
static gpointer gtk_gc_new (gpointer key);
static void gtk_gc_destroy (gpointer value);
static guint gtk_gc_key_hash (gpointer key);
static guint gtk_gc_value_hash (gpointer value);
static gint gtk_gc_key_compare (gpointer a,
gpointer b);
static guint gtk_gc_drawable_hash (GtkGCDrawable *d);
static gint gtk_gc_drawable_compare (GtkGCDrawable *a,
GtkGCDrawable *b);
static gint initialize = TRUE;
static GCache *gc_cache = NULL;
static GHashTable *gc_drawable_ht = NULL;
static GMemChunk *key_mem_chunk = NULL;
GdkGC*
gtk_gc_get (gint depth,
GdkColormap *colormap,
GdkGCValues *values,
GdkGCValuesMask values_mask)
{
GtkGCKey key;
GdkGC *gc;
if (initialize)
gtk_gc_init ();
key.depth = depth;
key.colormap = colormap;
key.values = *values;
key.mask = values_mask;
gc = g_cache_insert (gc_cache, &key);
return gc;
}
void
gtk_gc_release (GdkGC *gc)
{
if (initialize)
gtk_gc_init ();
g_cache_remove (gc_cache, gc);
}
static void
gtk_gc_init (void)
{
initialize = FALSE;
gc_cache = g_cache_new ((GCacheNewFunc) gtk_gc_new,
(GCacheDestroyFunc) gtk_gc_destroy,
(GCacheDupFunc) gtk_gc_key_dup,
(GCacheDestroyFunc) gtk_gc_key_destroy,
(GHashFunc) gtk_gc_key_hash,
(GHashFunc) gtk_gc_value_hash,
(GCompareFunc) gtk_gc_key_compare);
gc_drawable_ht = g_hash_table_new ((GHashFunc) gtk_gc_drawable_hash,
(GCompareFunc) gtk_gc_drawable_compare);
}
static GtkGCKey*
gtk_gc_key_dup (GtkGCKey *key)
{
GtkGCKey *new_key;
if (!key_mem_chunk)
key_mem_chunk = g_mem_chunk_new ("key mem chunk", sizeof (GtkGCKey),
1024, G_ALLOC_AND_FREE);
new_key = g_chunk_new (GtkGCKey, key_mem_chunk);
*new_key = *key;
return new_key;
}
static void
gtk_gc_key_destroy (GtkGCKey *key)
{
g_mem_chunk_free (key_mem_chunk, key);
}
static gpointer
gtk_gc_new (gpointer key)
{
GtkGCKey *keyval;
GtkGCDrawable *drawable;
GdkGC *gc;
keyval = key;
drawable = g_hash_table_lookup (gc_drawable_ht, &keyval->depth);
if (!drawable)
{
drawable = g_new (GtkGCDrawable, 1);
drawable->depth = keyval->depth;
drawable->drawable = gdk_pixmap_new (NULL, 1, 1, drawable->depth);
g_hash_table_insert (gc_drawable_ht, &drawable->depth, drawable);
}
gc = gdk_gc_new_with_values (drawable->drawable, &keyval->values, keyval->mask);
return (gpointer) gc;
}
static void
gtk_gc_destroy (gpointer value)
{
gdk_gc_destroy ((GdkGC*) value);
}
static guint
gtk_gc_key_hash (gpointer key)
{
GtkGCKey *keyval;
guint hash_val;
keyval = key;
hash_val = 0;
if (keyval->mask & GDK_GC_FOREGROUND)
{
hash_val += keyval->values.foreground.pixel;
}
if (keyval->mask & GDK_GC_BACKGROUND)
{
hash_val += keyval->values.background.pixel;
}
if (keyval->mask & GDK_GC_FONT)
{
hash_val += gdk_font_id (keyval->values.font);
}
if (keyval->mask & GDK_GC_FUNCTION)
{
hash_val += (gint) keyval->values.function;
}
if (keyval->mask & GDK_GC_FILL)
{
hash_val += (gint) keyval->values.fill;
}
if (keyval->mask & GDK_GC_TILE)
{
hash_val += (glong) keyval->values.tile;
}
if (keyval->mask & GDK_GC_STIPPLE)
{
hash_val += (glong) keyval->values.stipple;
}
if (keyval->mask & GDK_GC_CLIP_MASK)
{
hash_val += (glong) keyval->values.clip_mask;
}
if (keyval->mask & GDK_GC_SUBWINDOW)
{
hash_val += (gint) keyval->values.subwindow_mode;
}
if (keyval->mask & GDK_GC_TS_X_ORIGIN)
{
hash_val += (gint) keyval->values.ts_x_origin;
}
if (keyval->mask & GDK_GC_TS_Y_ORIGIN)
{
hash_val += (gint) keyval->values.ts_y_origin;
}
if (keyval->mask & GDK_GC_CLIP_X_ORIGIN)
{
hash_val += (gint) keyval->values.clip_x_origin;
}
if (keyval->mask & GDK_GC_CLIP_Y_ORIGIN)
{
hash_val += (gint) keyval->values.clip_y_origin;
}
if (keyval->mask & GDK_GC_EXPOSURES)
{
hash_val += (gint) keyval->values.graphics_exposures;
}
if (keyval->mask & GDK_GC_LINE_WIDTH)
{
hash_val += (gint) keyval->values.line_width;
}
if (keyval->mask & GDK_GC_LINE_STYLE)
{
hash_val += (gint) keyval->values.line_style;
}
if (keyval->mask & GDK_GC_CAP_STYLE)
{
hash_val += (gint) keyval->values.cap_style;
}
if (keyval->mask & GDK_GC_JOIN_STYLE)
{
hash_val += (gint) keyval->values.join_style;
}
return hash_val;
}
static guint
gtk_gc_value_hash (gpointer value)
{
return (gulong) value;
}
static gint
gtk_gc_key_compare (gpointer a,
gpointer b)
{
GtkGCKey *akey;
GtkGCKey *bkey;
GdkGCValues *avalues;
GdkGCValues *bvalues;
akey = a;
bkey = b;
avalues = &akey->values;
bvalues = &bkey->values;
if (akey->mask != bkey->mask)
return FALSE;
if (akey->depth != bkey->depth)
return FALSE;
if (akey->colormap != bkey->colormap)
return FALSE;
if (akey->mask & GDK_GC_FOREGROUND)
{
if (avalues->foreground.pixel != bvalues->foreground.pixel)
return FALSE;
}
if (akey->mask & GDK_GC_BACKGROUND)
{
if (avalues->background.pixel != bvalues->background.pixel)
return FALSE;
}
if (akey->mask & GDK_GC_FONT)
{
if (!gdk_font_equal (avalues->font, bvalues->font))
return FALSE;
}
if (akey->mask & GDK_GC_FUNCTION)
{
if (avalues->function != bvalues->function)
return FALSE;
}
if (akey->mask & GDK_GC_FILL)
{
if (avalues->fill != bvalues->fill)
return FALSE;
}
if (akey->mask & GDK_GC_TILE)
{
if (avalues->tile != bvalues->tile)
return FALSE;
}
if (akey->mask & GDK_GC_STIPPLE)
{
if (avalues->stipple != bvalues->stipple)
return FALSE;
}
if (akey->mask & GDK_GC_CLIP_MASK)
{
if (avalues->clip_mask != bvalues->clip_mask)
return FALSE;
}
if (akey->mask & GDK_GC_SUBWINDOW)
{
if (avalues->subwindow_mode != bvalues->subwindow_mode)
return FALSE;
}
if (akey->mask & GDK_GC_TS_X_ORIGIN)
{
if (avalues->ts_x_origin != bvalues->ts_x_origin)
return FALSE;
}
if (akey->mask & GDK_GC_TS_Y_ORIGIN)
{
if (avalues->ts_y_origin != bvalues->ts_y_origin)
return FALSE;
}
if (akey->mask & GDK_GC_CLIP_X_ORIGIN)
{
if (avalues->clip_x_origin != bvalues->clip_x_origin)
return FALSE;
}
if (akey->mask & GDK_GC_CLIP_Y_ORIGIN)
{
if (avalues->clip_y_origin != bvalues->clip_y_origin)
return FALSE;
}
if (akey->mask & GDK_GC_EXPOSURES)
{
if (avalues->graphics_exposures != bvalues->graphics_exposures)
return FALSE;
}
if (akey->mask & GDK_GC_LINE_WIDTH)
{
if (avalues->line_width != bvalues->line_width)
return FALSE;
}
if (akey->mask & GDK_GC_LINE_STYLE)
{
if (avalues->line_style != bvalues->line_style)
return FALSE;
}
if (akey->mask & GDK_GC_CAP_STYLE)
{
if (avalues->cap_style != bvalues->cap_style)
return FALSE;
}
if (akey->mask & GDK_GC_JOIN_STYLE)
{
if (avalues->join_style != bvalues->join_style)
return FALSE;
}
return TRUE;
}
static guint
gtk_gc_drawable_hash (GtkGCDrawable *d)
{
return d->depth;
}
static gint
gtk_gc_drawable_compare (GtkGCDrawable *a,
GtkGCDrawable *b)
{
return (a->depth == b->depth);
}
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