#include <time.h>
#include "gdkcolor.h"
+#include "gdkinternals.h"
+#include "gdkx.h"
#include "gdkprivate-x11.h"
+#include "gdkscreen-x11.h"
+
+typedef struct _GdkColormapPrivateX11 GdkColormapPrivateX11;
+
+struct _GdkColormapPrivateX11
+{
+ Colormap xcolormap;
+ Display *xdisplay;
+ gint private_val;
+
+ GHashTable *hash;
+ GdkColorInfo *info;
+ time_t last_sync_time;
+};
#define GDK_COLORMAP_PRIVATE_DATA(cmap) ((GdkColormapPrivateX11 *) GDK_COLORMAP (cmap)->windowing_data)
static guint gdk_colormap_hash (Colormap *cmap);
static gboolean gdk_colormap_equal (Colormap *a,
Colormap *b);
+static void gdk_colormap_sync (GdkColormap *colormap,
+ gboolean force);
static void gdk_colormap_init (GdkColormap *colormap);
static void gdk_colormap_class_init (GdkColormapClass *klass);
private = g_new (GdkColormapPrivateX11, 1);
+ colormap->screen = NULL;
colormap->windowing_data = private;
- private->xdisplay = gdk_display;
private->hash = NULL;
private->last_sync_time = 0;
private->info = NULL;
gdk_colormap_remove (colormap);
- XFreeColormap (private->xdisplay, private->xcolormap);
+ XFreeColormap (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap);
if (private->hash)
g_hash_table_destroy (private->hash);
GdkColormap *colormap;
GdkColormapPrivateX11 *private;
Visual *xvisual;
+ Display *xdisplay;
+ Window xrootwin;
int size;
int i;
private = GDK_COLORMAP_PRIVATE_DATA (colormap);
colormap->visual = visual;
+ colormap->screen = visual->screen;
xvisual = ((GdkVisualPrivate*) visual)->xvisual;
+ xdisplay = GDK_SCREEN_XDISPLAY (visual->screen);
+ xrootwin = GDK_SCREEN_XROOTWIN (visual->screen);
colormap->size = visual->colormap_size;
(GEqualFunc) gdk_color_equal);
private->private_val = private_cmap;
- private->xcolormap = XCreateColormap (private->xdisplay, gdk_root_window,
+ private->xcolormap = XCreateColormap (xdisplay, xrootwin,
xvisual, (private_cmap) ? (AllocAll) : (AllocNone));
if (private_cmap)
{
XColor *default_colors;
- default_colors = g_new (XColor, colormap->size);
+ default_colors = g_new (XColor, colormap->size);
for (i = 0; i < colormap->size; i++)
default_colors[i].pixel = i;
-
- XQueryColors (private->xdisplay,
- DefaultColormap (private->xdisplay, gdk_screen),
+
+ XQueryColors (xdisplay,
+ DefaultColormapOfScreen (GDK_SCREEN_X11 (visual->screen)->xscreen),
default_colors, colormap->size);
for (i = 0; i < colormap->size; i++)
case GDK_VISUAL_DIRECT_COLOR:
private->private_val = TRUE;
- private->xcolormap = XCreateColormap (private->xdisplay, gdk_root_window,
+ private->xcolormap = XCreateColormap (xdisplay, xrootwin,
xvisual, AllocAll);
colormap->colors = g_new (GdkColor, colormap->size);
case GDK_VISUAL_STATIC_GRAY:
case GDK_VISUAL_STATIC_COLOR:
+ private->private_val = FALSE;
+ private->xcolormap = XCreateColormap (xdisplay, xrootwin,
+ xvisual, AllocNone);
+
+ colormap->colors = g_new (GdkColor, colormap->size);
+ gdk_colormap_sync (colormap, TRUE);
+ break;
+
case GDK_VISUAL_TRUE_COLOR:
private->private_val = FALSE;
- private->xcolormap = XCreateColormap (private->xdisplay, gdk_root_window,
+ private->xcolormap = XCreateColormap (xdisplay, xrootwin,
xvisual, AllocNone);
break;
}
#define MIN_SYNC_TIME 2
-void
+static void
gdk_colormap_sync (GdkColormap *colormap,
gboolean force)
{
for (i = 0; i < colormap->size; i++)
{
- if (private->info[i].ref_count == 0)
+ if (!private->info || private->info[i].ref_count == 0)
{
xpalette[nlookup].pixel = i;
xpalette[nlookup].red = 0;
}
}
- XQueryColors (gdk_display, private->xcolormap, xpalette, nlookup);
+ XQueryColors (GDK_SCREEN_XDISPLAY (colormap->screen),
+ private->xcolormap, xpalette, nlookup);
for (i = 0; i < nlookup; i++)
{
g_free (xpalette);
}
-
-GdkColormap*
-gdk_colormap_get_system (void)
+/**
+ * gdk_screen_get_system_colormap:
+ * @screen: a #GdkScreen
+ *
+ * Gets the system's default colormap for @screen
+ *
+ * Returns: the default colormap for @screen.
+ */
+GdkColormap *
+gdk_screen_get_system_colormap (GdkScreen *screen)
{
- static GdkColormap *colormap = NULL;
+ GdkColormap *colormap = NULL;
GdkColormapPrivateX11 *private;
+ GdkScreenX11 *screen_x11;
- if (!colormap)
- {
- colormap = g_object_new (gdk_colormap_get_type (), NULL);
- private = GDK_COLORMAP_PRIVATE_DATA (colormap);
+ g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
+ screen_x11 = GDK_SCREEN_X11 (screen);
- private->xdisplay = gdk_display;
- private->xcolormap = DefaultColormap (gdk_display, gdk_screen);
- colormap->visual = gdk_visual_get_system ();
- private->private_val = FALSE;
+ if (screen_x11->system_colormap)
+ return screen_x11->system_colormap;
+
+ colormap = g_object_new (gdk_colormap_get_type (), NULL);
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
- private->hash = NULL;
- private->last_sync_time = 0;
- private->info = NULL;
+ colormap->screen = screen;
+ colormap->visual = gdk_screen_get_system_visual (screen);
+
+ private->xcolormap = DefaultColormapOfScreen (screen_x11->xscreen);
+ private->private_val = FALSE;
- colormap->colors = NULL;
- colormap->size = colormap->visual->colormap_size;
+ private->hash = NULL;
+ private->last_sync_time = 0;
+ private->info = NULL;
- if ((colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
- {
- private->info = g_new0 (GdkColorInfo, colormap->size);
- colormap->colors = g_new (GdkColor, colormap->size);
-
- private->hash = g_hash_table_new ((GHashFunc) gdk_color_hash,
- (GEqualFunc) gdk_color_equal);
-
- gdk_colormap_sync (colormap, TRUE);
- }
+ colormap->colors = NULL;
+ colormap->size = colormap->visual->colormap_size;
- gdk_colormap_add (colormap);
+ switch (colormap->visual->type)
+ {
+ case GDK_VISUAL_GRAYSCALE:
+ case GDK_VISUAL_PSEUDO_COLOR:
+ private->info = g_new0 (GdkColorInfo, colormap->size);
+ private->hash = g_hash_table_new ((GHashFunc) gdk_color_hash,
+ (GEqualFunc) gdk_color_equal);
+ /* Fall through */
+ case GDK_VISUAL_STATIC_GRAY:
+ case GDK_VISUAL_STATIC_COLOR:
+ colormap->colors = g_new (GdkColor, colormap->size);
+ gdk_colormap_sync (colormap, TRUE);
+
+ case GDK_VISUAL_DIRECT_COLOR:
+ case GDK_VISUAL_TRUE_COLOR:
+ break;
}
-
+
+ gdk_colormap_add (colormap);
+ screen_x11->system_colormap = colormap;
+
return colormap;
}
+/**
+ * gdk_colormap_get_system:
+ *
+ * Gets the system's default colormap for the default screen. (See
+ * gdk_colormap_get_system_for_screen ())
+ *
+ * Return value: the default colormap.
+ **/
+GdkColormap*
+gdk_colormap_get_system (void)
+{
+ return gdk_screen_get_system_colormap (gdk_get_default_screen ());
+}
+
gint
gdk_colormap_get_system_size (void)
{
- return DisplayCells (gdk_display, gdk_screen);
+ return DisplayCells (GDK_SCREEN_XDISPLAY (gdk_get_default_screen()),
+ GDK_SCREEN_X11 (gdk_get_default_screen())->screen_num);
}
void
GdkColormapPrivateX11 *private;
GdkVisual *visual;
XColor *palette;
+ Display *xdisplay;
gint shift;
int max_colors;
int size;
g_return_if_fail (GDK_IS_COLORMAP (colormap));
+ xdisplay = GDK_SCREEN_XDISPLAY (colormap->screen);
palette = g_new (XColor, ncolors);
private = GDK_COLORMAP_PRIVATE_DATA (colormap);
palette[i].flags = DoRed | DoGreen | DoBlue;
}
- XStoreColors (private->xdisplay, private->xcolormap, palette, ncolors);
+ XStoreColors (xdisplay, private->xcolormap, palette, ncolors);
break;
case GDK_VISUAL_DIRECT_COLOR:
palette[i].flags = DoRed;
}
- XStoreColors (private->xdisplay, private->xcolormap, palette, size);
+ XStoreColors (xdisplay, private->xcolormap, palette, size);
shift = visual->green_shift;
max_colors = 1 << visual->green_prec;
palette[i].flags = DoGreen;
}
- XStoreColors (private->xdisplay, private->xcolormap, palette, size);
+ XStoreColors (xdisplay, private->xcolormap, palette, size);
shift = visual->blue_shift;
max_colors = 1 << visual->blue_prec;
palette[i].flags = DoBlue;
}
- XStoreColors (private->xdisplay, private->xcolormap, palette, size);
+ XStoreColors (xdisplay, private->xcolormap, palette, size);
break;
default:
private = GDK_COLORMAP_PRIVATE_DATA (colormap);
- return_val = XAllocColorCells (private->xdisplay, private->xcolormap,
- contiguous, planes, nplanes, pixels, npixels);
-
+ return_val = XAllocColorCells (GDK_SCREEN_XDISPLAY (colormap->screen),
+ private->xcolormap,contiguous, planes,
+ nplanes, pixels, npixels);
if (return_val)
{
for (i=0; i<npixels; i++)
return return_val != 0;
}
-gboolean
-gdk_color_parse (const gchar *spec,
- GdkColor *color)
-{
- Colormap xcolormap;
- XColor xcolor;
- gboolean return_val;
-
- g_return_val_if_fail (spec != NULL, FALSE);
- g_return_val_if_fail (color != NULL, FALSE);
-
- xcolormap = DefaultColormap (gdk_display, gdk_screen);
-
- if (XParseColor (gdk_display, xcolormap, spec, &xcolor))
- {
- return_val = TRUE;
- color->red = xcolor.red;
- color->green = xcolor.green;
- color->blue = xcolor.blue;
- }
- else
- return_val = FALSE;
-
- return return_val;
-}
-
/* This is almost identical to gdk_colormap_free_colors.
* Keep them in sync!
*/
}
if (npixels)
- XFreeColors (private->xdisplay, private->xcolormap,
+ XFreeColors (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap,
pixels, npixels, planes);
g_free (pixels);
}
}
if (npixels)
- XFreeColors (private->xdisplay, private->xcolormap,
+ XFreeColors (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap,
pixels, npixels, 0);
g_free (pixels);
xcolor.pixel = color->pixel;
xcolor.flags = DoRed | DoGreen | DoBlue;
- if (XAllocColor (private->xdisplay, private->xcolormap, &xcolor))
+ if (XAllocColor (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap, &xcolor))
{
ret->pixel = xcolor.pixel;
ret->red = xcolor.red;
{
if (private->info[ret->pixel].ref_count) /* got a duplicate */
{
- XFreeColors (private->xdisplay, private->xcolormap,
- &ret->pixel, 1, 0);
+ XFreeColors (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap,
+ &xcolor.pixel, 1, 0);
}
else
{
pixels = g_new (gulong, ncolors);
/* Allocation of a writeable color cells */
- status = XAllocColorCells (private->xdisplay, private->xcolormap,
+ status = XAllocColorCells (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap,
FALSE, NULL, 0, pixels, ncolors);
if (status)
{
}
}
- XStoreColors (private->xdisplay, private->xcolormap, store, nstore);
+ XStoreColors (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap,
+ store, nstore);
g_free (store);
if (nremaining > 0 && best_match)
gchar *available = g_new (gchar, colormap->size);
for (i = 0; i < colormap->size; i++)
available[i] = ((private->info[i].ref_count == 0) ||
- !(private->info[i].flags && GDK_COLOR_WRITEABLE));
+ !(private->info[i].flags & GDK_COLOR_WRITEABLE));
gdk_colormap_sync (colormap, FALSE);
while (nremaining > 0)
xcolor.pixel = colors[i].pixel;
xcolor.flags = DoRed | DoGreen | DoBlue;
- if (XAllocColor (private->xdisplay, private->xcolormap, &xcolor))
+ if (XAllocColor (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap, &xcolor))
{
colors[i].pixel = xcolor.pixel;
success[i] = TRUE;
return nremaining;
}
+/**
+ * gdk_colormap_query_color:
+ * @colormap: a #GdkColormap
+ * @pixel: pixel value in hardware display format
+ * @result: #GdkColor with red, green, blue fields initialized
+ *
+ * Locates the RGB color in @colormap corresponding to the given
+ * hardware pixel @pixel. @pixel must be a valid pixel in the
+ * colormap; it's a programmer error to call this function with a
+ * pixel which is not in the colormap. Hardware pixels are normally
+ * obtained from gdk_colormap_alloc_colors(), or from a #GdkImage. (A
+ * #GdkImage contains image data in hardware format, a #GdkPixbuf
+ * contains image data in a canonical 24-bit RGB format.)
+ *
+ * This function is rarely useful, it's used for example to
+ * implement the eyedropper feature in #GtkColorSelection.
+ *
+ **/
+void
+gdk_colormap_query_color (GdkColormap *colormap,
+ gulong pixel,
+ GdkColor *result)
+{
+ XColor xcolor;
+ GdkVisual *visual;
+ GdkColormapPrivateX11 *private;
+
+ g_return_if_fail (GDK_IS_COLORMAP (colormap));
+
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
+
+ visual = gdk_colormap_get_visual (colormap);
+
+ switch (visual->type) {
+ case GDK_VISUAL_DIRECT_COLOR:
+ case GDK_VISUAL_TRUE_COLOR:
+ result->red = 65535. * (double)((pixel & visual->red_mask) >> visual->red_shift) / ((1 << visual->red_prec) - 1);
+ result->green = 65535. * (double)((pixel & visual->green_mask) >> visual->green_shift) / ((1 << visual->green_prec) - 1);
+ result->blue = 65535. * (double)((pixel & visual->blue_mask) >> visual->blue_shift) / ((1 << visual->blue_prec) - 1);
+ break;
+ case GDK_VISUAL_STATIC_GRAY:
+ case GDK_VISUAL_GRAYSCALE:
+ result->red = result->green = result->blue = 65535. * (double)pixel/((1<<visual->depth) - 1);
+ break;
+ case GDK_VISUAL_STATIC_COLOR:
+ xcolor.pixel = pixel;
+ XQueryColor (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap, &xcolor);
+ result->red = xcolor.red;
+ result->green = xcolor.green;
+ result->blue = xcolor.blue;
+ break;
+ case GDK_VISUAL_PSEUDO_COLOR:
+ g_return_if_fail (pixel < colormap->size);
+ result->red = colormap->colors[pixel].red;
+ result->green = colormap->colors[pixel].green;
+ result->blue = colormap->colors[pixel].blue;
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+}
+
gboolean
gdk_color_change (GdkColormap *colormap,
GdkColor *color)
xcolor.flags = DoRed | DoGreen | DoBlue;
private = GDK_COLORMAP_PRIVATE_DATA (colormap);
- XStoreColor (private->xdisplay, private->xcolormap, &xcolor);
+ XStoreColor (GDK_SCREEN_XDISPLAY (colormap->screen), private->xcolormap, &xcolor);
return TRUE;
}
gdkx_colormap_get (Colormap xcolormap)
{
GdkColormap *colormap;
+#if 0
GdkColormapPrivateX11 *private;
colormap = gdk_colormap_lookup (xcolormap);
if (colormap)
return colormap;
- if (xcolormap == DefaultColormap (gdk_display, gdk_screen))
+ if (xcolormap == DefaultColormap (gdk_display, _gdk_screen))
return gdk_colormap_get_system ();
colormap = g_object_new (gdk_colormap_get_type (), NULL);
private->xcolormap = xcolormap;
colormap->visual = NULL;
private->private_val = TRUE;
+#endif
/* To do the following safely, we would have to have some way of finding
* out what the size or visual of the given colormap is. It seems
{
return (*a == *b);
}
+
+Display *
+gdk_x11_colormap_get_xdisplay (GdkColormap *colormap)
+{
+ GdkColormapPrivateX11 *private;
+
+ g_return_val_if_fail (GDK_IS_COLORMAP (colormap), NULL);
+
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
+
+ return private->xdisplay;
+}
+
+Colormap
+gdk_x11_colormap_get_xcolormap (GdkColormap *colormap)
+{
+ GdkColormapPrivateX11 *private;
+
+ g_return_val_if_fail (GDK_IS_COLORMAP (colormap), None);
+
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
+
+ return private->xcolormap;
+}
projects / ~andy / gtk / blobdiff