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Create a proper subclass of GdkScreen: GdkScreenQuartz

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This commit is contained in:
Kristian Rietveld 2009-10-24 11:48:39 +02:00
parent 73b55ae8f5
commit d47772f002
5 changed files with 232 additions and 164 deletions
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1
gdk/quartz/Makefile.am
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@ -46,6 +46,7 @@ libgdk_quartz_la_SOURCES = \
gdkproperty-quartz.c \
gdkquartz.h \
gdkscreen-quartz.c \
gdkscreen-quartz.h \
gdkselection-quartz.c \
gdkspawn-quartz.c \
gdktestutils-quartz.c \

8
gdk/quartz/gdkdisplay-quartz.c
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@ -22,6 +22,7 @@
#include "gdk.h"
#include "gdkprivate-quartz.h"
#include "gdkscreen-quartz.h"
GdkWindow *
gdk_display_get_default_group (GdkDisplay *display)
@ -51,13 +52,14 @@ gdk_display_open (const gchar *display_name)
[NSApplication sharedApplication];
_gdk_display = g_object_new (GDK_TYPE_DISPLAY, NULL);
_gdk_screen = g_object_new (GDK_TYPE_SCREEN, NULL);
_gdk_visual_init ();
_gdk_screen = _gdk_screen_quartz_new ();
nsscreen = [[NSScreen screens] objectAtIndex:0];
gdk_screen_set_resolution (_gdk_screen, 72.0 * [nsscreen userSpaceScaleFactor]);
_gdk_visual_init ();
_gdk_quartz_screen_init ();
_gdk_windowing_window_init ();
_gdk_events_init ();

3
gdk/quartz/gdkprivate-quartz.h
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@ -152,9 +152,6 @@ void _gdk_quartz_window_debug_highlight (GdkWindow *window,
void _gdk_quartz_window_set_needs_display_in_rect (GdkWindow *window,
GdkRectangle *rect);
/* Screen */
void _gdk_quartz_screen_init (void);
/* Events */
typedef enum {
GDK_QUARTZ_EVENT_SUBTYPE_EVENTLOOP

316
gdk/quartz/gdkscreen-quartz.c
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@ -20,20 +20,89 @@
#include "config.h"
#include "gdk.h"
#include "gdkscreen-quartz.h"
#include "gdkprivate-quartz.h"
/* FIXME: If we want to do it properly, this should be stored
* in a proper GdkScreen subclass.
*/
static GdkColormap *default_colormap = NULL;
static int n_screens = 0;
static GdkRectangle *screen_rects = NULL;
static guint screen_changed_id = 0;
static void gdk_screen_quartz_dispose (GObject *object);
static void gdk_screen_quartz_finalize (GObject *object);
static void gdk_screen_quartz_calculate_layout (GdkScreenQuartz *screen);
static void display_reconfiguration_callback (CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags,
void *userInfo);
G_DEFINE_TYPE (GdkScreenQuartz, _gdk_screen_quartz, GDK_TYPE_SCREEN);
static void
_gdk_screen_quartz_class_init (GdkScreenQuartzClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gdk_screen_quartz_dispose;
object_class->finalize = gdk_screen_quartz_finalize;
}
static void
_gdk_screen_quartz_init (GdkScreenQuartz *screen_quartz)
{
GdkScreen *screen = GDK_SCREEN (screen_quartz);
gdk_screen_set_default_colormap (screen,
gdk_screen_get_system_colormap (screen));
gdk_screen_quartz_calculate_layout (screen_quartz);
CGDisplayRegisterReconfigurationCallback (display_reconfiguration_callback,
screen);
}
static void
gdk_screen_quartz_dispose (GObject *object)
{
GdkScreenQuartz *screen = GDK_SCREEN_QUARTZ (object);
if (screen->default_colormap)
{
g_object_unref (screen->default_colormap);
screen->default_colormap = NULL;
}
if (screen->screen_changed_id)
{
g_source_remove (screen->screen_changed_id);
screen->screen_changed_id = 0;
}
CGDisplayRemoveReconfigurationCallback (display_reconfiguration_callback,
screen);
G_OBJECT_CLASS (_gdk_screen_quartz_parent_class)->dispose (object);
}
static void
gdk_screen_quartz_screen_rects_free (GdkScreenQuartz *screen)
{
screen->n_screens = 0;
if (screen->screen_rects)
{
g_free (screen->screen_rects);
screen->screen_rects = NULL;
}
}
static void
gdk_screen_quartz_finalize (GObject *object)
{
GdkScreenQuartz *screen = GDK_SCREEN_QUARTZ (object);
gdk_screen_quartz_screen_rects_free (screen);
}
static void
screen_rects_init (void)
gdk_screen_quartz_calculate_layout (GdkScreenQuartz *screen)
{
NSArray *array;
NSRect largest_rect;
@ -41,14 +110,29 @@ screen_rects_init (void)
GDK_QUARTZ_ALLOC_POOL;
gdk_screen_quartz_screen_rects_free (screen);
array = [NSScreen screens];
n_screens = [array count];
screen_rects = g_new0 (GdkRectangle, n_screens);
/* FIXME: as stated above the get_width() and get_height() functions
* in this file, we only support horizontal screen layouts for now.
/* FIXME: For now we only support screen layouts where the screens are laid
* out horizontally. Mac OS X also supports laying out the screens vertically
* and the screens having "non-standard" offsets from eachother. In the
* future we need a much more sophiscated algorithm to translate these
* layouts to GDK coordinate space and GDK screen layout.
*/
screen->width = 0;
screen->height = 0;
for (i = 0; i < [array count]; i++)
{
NSRect rect = [[array objectAtIndex:i] frame];
screen->width += rect.size.width;
screen->height = MAX (screen->height, rect.size.height);
}
screen->n_screens = [array count];
screen->screen_rects = g_new0 (GdkRectangle, screen->n_screens);
/* Find the monitor with the largest height. All monitors should be
* offset to this one in the GDK screen space instead of offset to
@ -63,7 +147,7 @@ screen_rects_init (void)
largest_rect = [[array objectAtIndex:i] frame];
}
for (i = 0; i < n_screens; i++)
for (i = 0; i < screen->n_screens; i++)
{
NSScreen *nsscreen;
NSRect rect;
@ -71,57 +155,54 @@ screen_rects_init (void)
nsscreen = [array objectAtIndex:i];
rect = [nsscreen frame];
screen_rects[i].x = rect.origin.x;
screen_rects[i].width = rect.size.width;
screen_rects[i].height = rect.size.height;
screen->screen_rects[i].x = rect.origin.x;
screen->screen_rects[i].width = rect.size.width;
screen->screen_rects[i].height = rect.size.height;
if (largest_rect.size.height - rect.size.height == 0)
screen_rects[i].y = 0;
screen->screen_rects[i].y = 0;
else
screen_rects[i].y = largest_rect.size.height - rect.size.height + largest_rect.origin.y;
screen->screen_rects[i].y = largest_rect.size.height - rect.size.height + largest_rect.origin.y;
}
GDK_QUARTZ_RELEASE_POOL;
}
static void
screen_rects_free (void)
{
n_screens = 0;
g_free (screen_rects);
screen_rects = NULL;
}
static void
process_display_reconfiguration (void)
process_display_reconfiguration (GdkScreenQuartz *screen)
{
screen_rects_free ();
screen_rects_init ();
int width, height;
/* FIXME: We should only emit this when the size of screen really
* has changed. We need to start bookkeeping width, height once
* we have a proper GdkScreen subclass.
*/
width = gdk_screen_get_width (GDK_SCREEN (screen));
height = gdk_screen_get_height (GDK_SCREEN (screen));
gdk_screen_quartz_calculate_layout (GDK_SCREEN_QUARTZ (screen));
if (width != gdk_screen_get_width (GDK_SCREEN (screen))
|| height != gdk_screen_get_height (GDK_SCREEN (screen)))
g_signal_emit_by_name (_gdk_screen, "size-changed");
}
static gboolean
screen_changed_idle (gpointer data)
{
process_display_reconfiguration ();
GdkScreenQuartz *screen = data;
screen_changed_id = 0;
process_display_reconfiguration (data);
screen->screen_changed_id = 0;
return FALSE;
}
static void
screen_changed (CGDirectDisplayID display,
display_reconfiguration_callback (CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags,
void *userInfo)
{
GdkScreenQuartz *screen = userInfo;
if (flags & kCGDisplayBeginConfigurationFlag)
{
/* Ignore the begin configuration signal. */
@ -137,21 +218,16 @@ screen_changed (CGDirectDisplayID display,
* yet, so we delay our refresh into an idle handler.
*/
if (!screen_changed_id)
screen_changed_id = gdk_threads_add_idle (screen_changed_idle, NULL);
if (!screen->screen_changed_id)
screen->screen_changed_id = gdk_threads_add_idle (screen_changed_idle,
screen);
}
}
void
_gdk_quartz_screen_init (void)
GdkScreen *
_gdk_screen_quartz_new (void)
{
gdk_screen_set_default_colormap (_gdk_screen,
gdk_screen_get_system_colormap (_gdk_screen));
screen_rects_init ();
CGDisplayRegisterReconfigurationCallback (screen_changed,
_gdk_screen);
return g_object_new (GDK_TYPE_SCREEN_QUARTZ, NULL);
}
GdkDisplay *
@ -192,7 +268,9 @@ _gdk_windowing_substitute_screen_number (const gchar *display_name,
GdkColormap*
gdk_screen_get_default_colormap (GdkScreen *screen)
{
return default_colormap;
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
return GDK_SCREEN_QUARTZ (screen)->default_colormap;
}
void
@ -204,67 +282,28 @@ gdk_screen_set_default_colormap (GdkScreen *screen,
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (GDK_IS_COLORMAP (colormap));
old_colormap = default_colormap;
old_colormap = GDK_SCREEN_QUARTZ (screen)->default_colormap;
default_colormap = g_object_ref (colormap);
GDK_SCREEN_QUARTZ (screen)->default_colormap = g_object_ref (colormap);
if (old_colormap)
g_object_unref (old_colormap);
}
/* FIXME: note on the get_width() and the get_height() methods. For
* now we only support screen layouts where the screens are laid out
* horizontally. Mac OS X also supports laying out the screens vertically
* and the screens having "non-standard" offsets from eachother. In the
* future we need a much more sophiscated algorithm to translate these
* layouts to GDK coordinate space and GDK screen layout.
*/
gint
gdk_screen_get_width (GdkScreen *screen)
{
int i;
int width;
NSArray *array;
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
GDK_QUARTZ_ALLOC_POOL;
array = [NSScreen screens];
width = 0;
for (i = 0; i < [array count]; i++)
{
NSRect rect = [[array objectAtIndex:i] frame];
width += rect.size.width;
}
GDK_QUARTZ_RELEASE_POOL;
return width;
return GDK_SCREEN_QUARTZ (screen)->width;
}
gint
gdk_screen_get_height (GdkScreen *screen)
{
int i;
int height;
NSArray *array;
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
GDK_QUARTZ_ALLOC_POOL;
array = [NSScreen screens];
height = 0;
for (i = 0; i < [array count]; i++)
{
NSRect rect = [[array objectAtIndex:i] frame];
height = MAX (height, rect.size.height);
}
GDK_QUARTZ_RELEASE_POOL;
return height;
return GDK_SCREEN_QUARTZ (screen)->height;
}
static gint
@ -283,65 +322,6 @@ get_mm_from_pixels (NSScreen *screen, int pixels)
return (pixels / dpi) * 25.4;
}
gint
gdk_screen_get_width_mm (GdkScreen *screen)
{
int i;
gint width;
NSArray *array;
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
GDK_QUARTZ_ALLOC_POOL;
array = [NSScreen screens];
width = 0;
for (i = 0; i < [array count]; i++)
{
NSScreen *screen = [array objectAtIndex:i];
NSRect rect = [screen frame];
width += get_mm_from_pixels (screen, rect.size.width);
}
GDK_QUARTZ_RELEASE_POOL;
return width;
}
gint
gdk_screen_get_height_mm (GdkScreen *screen)
{
int i;
gint height;
NSArray *array;
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
GDK_QUARTZ_ALLOC_POOL;
array = [NSScreen screens];
height = 0;
for (i = 0; i < [array count]; i++)
{
NSScreen *screen = [array objectAtIndex:i];
NSRect rect = [screen frame];
gint h = get_mm_from_pixels (screen, rect.size.height);
height = MAX (height, h);
}
GDK_QUARTZ_RELEASE_POOL;
return height;
}
int
gdk_screen_get_n_monitors (GdkScreen *screen)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
return n_screens;
}
static NSScreen *
get_nsscreen_for_monitor (gint monitor_num)
{
@ -358,6 +338,32 @@ get_nsscreen_for_monitor (gint monitor_num)
return screen;
}
gint
gdk_screen_get_width_mm (GdkScreen *screen)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
return get_mm_from_pixels (get_nsscreen_for_monitor (0),
GDK_SCREEN_QUARTZ (screen)->width);
}
gint
gdk_screen_get_height_mm (GdkScreen *screen)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
return get_mm_from_pixels (get_nsscreen_for_monitor (0),
GDK_SCREEN_QUARTZ (screen)->height);
}
int
gdk_screen_get_n_monitors (GdkScreen *screen)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
return GDK_SCREEN_QUARTZ (screen)->n_screens;
}
gint
gdk_screen_get_monitor_width_mm (GdkScreen *screen,
gint monitor_num)
@ -367,7 +373,7 @@ gdk_screen_get_monitor_width_mm (GdkScreen *screen,
g_return_val_if_fail (monitor_num >= 0, 0);
return get_mm_from_pixels (get_nsscreen_for_monitor (monitor_num),
screen_rects[monitor_num].width);
GDK_SCREEN_QUARTZ (screen)->screen_rects[monitor_num].width);
}
gint
@ -379,7 +385,7 @@ gdk_screen_get_monitor_height_mm (GdkScreen *screen,
g_return_val_if_fail (monitor_num >= 0, 0);
return get_mm_from_pixels (get_nsscreen_for_monitor (monitor_num),
screen_rects[monitor_num].height);
GDK_SCREEN_QUARTZ (screen)->screen_rects[monitor_num].height);
}
gchar *
@ -399,7 +405,7 @@ gdk_screen_get_monitor_geometry (GdkScreen *screen,
g_return_if_fail (monitor_num < gdk_screen_get_n_monitors (screen));
g_return_if_fail (monitor_num >= 0);
*dest = screen_rects[monitor_num];
*dest = GDK_SCREEN_QUARTZ (screen)->screen_rects[monitor_num];
}
gchar *

62
gdk/quartz/gdkscreen-quartz.h Normal file
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@ -0,0 +1,62 @@
/* gdkscreen-quartz.h
*
* Copyright (C) 2009 Kristian Rietveld <kris@gtk.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#ifndef __GDK_SCREEN_QUARTZ_H__
#define __GDK_SCREEN_QUARTZ_H__
G_BEGIN_DECLS
typedef struct _GdkScreenQuartz GdkScreenQuartz;
typedef struct _GdkScreenQuartzClass GdkScreenQuartzClass;
#define GDK_TYPE_SCREEN_QUARTZ (_gdk_screen_quartz_get_type ())
#define GDK_SCREEN_QUARTZ(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_SCREEN_QUARTZ, GdkScreenQuartz))
#define GDK_SCREEN_QUARTZ_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_SCREEN_QUARTZ, GdkScreenQuartzClass))
#define GDK_IS_SCREEN_QUARTZ(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_SCREEN_QUARTZ))
#define GDK_IS_SCREEN_QUARTZ_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_SCREEN_QUARTZ))
#define GDK_SCREEN_QUARTZ_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_SCREEN_QUARTZ, GdkScreenQuartzClass))
struct _GdkScreenQuartz
{
GdkScreen parent_instance;
GdkDisplay *display;
GdkColormap *default_colormap;
gint width;
gint height;
int n_screens;
GdkRectangle *screen_rects;
guint screen_changed_id;
};
struct _GdkScreenQuartzClass
{
GdkScreenClass parent_class;
};
GType _gdk_screen_quartz_get_type (void);
GdkScreen *_gdk_screen_quartz_new (void);
G_END_DECLS
#endif /* _GDK_SCREEN_QUARTZ_H_ */