forked from AuroraMiddleware/gtk
959a9437e6
The Quartz port now supports arbitrary multiple monitor layouts instead of only monitors are were laid out horizontally. This builds on the reworked coordinate translation done in a previous commit.
451 lines
11 KiB
C
451 lines
11 KiB
C
/* gdkscreen-quartz.c
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*
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* Copyright (C) 2005 Imendio AB
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gdk.h"
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#include "gdkscreen-quartz.h"
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#include "gdkprivate-quartz.h"
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static void gdk_screen_quartz_dispose (GObject *object);
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static void gdk_screen_quartz_finalize (GObject *object);
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static void gdk_screen_quartz_calculate_layout (GdkScreenQuartz *screen);
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static void display_reconfiguration_callback (CGDirectDisplayID display,
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CGDisplayChangeSummaryFlags flags,
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void *userInfo);
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G_DEFINE_TYPE (GdkScreenQuartz, _gdk_screen_quartz, GDK_TYPE_SCREEN);
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static void
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_gdk_screen_quartz_class_init (GdkScreenQuartzClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = gdk_screen_quartz_dispose;
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object_class->finalize = gdk_screen_quartz_finalize;
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}
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static void
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_gdk_screen_quartz_init (GdkScreenQuartz *screen_quartz)
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{
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GdkScreen *screen = GDK_SCREEN (screen_quartz);
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NSScreen *nsscreen;
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gdk_screen_set_default_colormap (screen,
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gdk_screen_get_system_colormap (screen));
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nsscreen = [[NSScreen screens] objectAtIndex:0];
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gdk_screen_set_resolution (screen,
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72.0 * [nsscreen userSpaceScaleFactor]);
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gdk_screen_quartz_calculate_layout (screen_quartz);
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CGDisplayRegisterReconfigurationCallback (display_reconfiguration_callback,
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screen);
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screen_quartz->emit_monitors_changed = FALSE;
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}
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static void
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gdk_screen_quartz_dispose (GObject *object)
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{
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GdkScreenQuartz *screen = GDK_SCREEN_QUARTZ (object);
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if (screen->default_colormap)
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{
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g_object_unref (screen->default_colormap);
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screen->default_colormap = NULL;
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}
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if (screen->screen_changed_id)
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{
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g_source_remove (screen->screen_changed_id);
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screen->screen_changed_id = 0;
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}
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CGDisplayRemoveReconfigurationCallback (display_reconfiguration_callback,
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screen);
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G_OBJECT_CLASS (_gdk_screen_quartz_parent_class)->dispose (object);
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}
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static void
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gdk_screen_quartz_screen_rects_free (GdkScreenQuartz *screen)
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{
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screen->n_screens = 0;
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if (screen->screen_rects)
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{
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g_free (screen->screen_rects);
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screen->screen_rects = NULL;
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}
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}
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static void
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gdk_screen_quartz_finalize (GObject *object)
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{
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GdkScreenQuartz *screen = GDK_SCREEN_QUARTZ (object);
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gdk_screen_quartz_screen_rects_free (screen);
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}
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static void
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gdk_screen_quartz_calculate_layout (GdkScreenQuartz *screen)
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{
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NSArray *array;
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int i;
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int max_x, max_y;
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GDK_QUARTZ_ALLOC_POOL;
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gdk_screen_quartz_screen_rects_free (screen);
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array = [NSScreen screens];
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screen->width = 0;
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screen->height = 0;
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screen->min_x = 0;
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screen->min_y = 0;
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max_x = max_y = 0;
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/* We determine the minimum and maximum x and y coordinates
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* covered by the monitors. From this we can deduce the width
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* and height of the root screen.
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*/
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for (i = 0; i < [array count]; i++)
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{
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NSRect rect = [[array objectAtIndex:i] frame];
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screen->min_x = MIN (screen->min_x, rect.origin.x);
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max_x = MAX (max_x, rect.origin.x + rect.size.width);
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screen->min_y = MIN (screen->min_y, rect.origin.y);
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max_y = MAX (max_y, rect.origin.y + rect.size.height);
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}
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screen->width = max_x - screen->min_x;
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screen->height = max_y - screen->min_y;
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screen->n_screens = [array count];
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screen->screen_rects = g_new0 (GdkRectangle, screen->n_screens);
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for (i = 0; i < screen->n_screens; i++)
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{
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NSScreen *nsscreen;
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NSRect rect;
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nsscreen = [array objectAtIndex:i];
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rect = [nsscreen frame];
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screen->screen_rects[i].x = rect.origin.x - screen->min_x;
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screen->screen_rects[i].y
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= screen->height - (rect.origin.y + rect.size.height) + screen->min_y;
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screen->screen_rects[i].width = rect.size.width;
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screen->screen_rects[i].height = rect.size.height;
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}
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GDK_QUARTZ_RELEASE_POOL;
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}
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static void
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process_display_reconfiguration (GdkScreenQuartz *screen)
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{
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int width, height;
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width = gdk_screen_get_width (GDK_SCREEN (screen));
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height = gdk_screen_get_height (GDK_SCREEN (screen));
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gdk_screen_quartz_calculate_layout (GDK_SCREEN_QUARTZ (screen));
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if (screen->emit_monitors_changed)
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{
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g_signal_emit_by_name (screen, "monitors-changed");
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screen->emit_monitors_changed = FALSE;
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}
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if (width != gdk_screen_get_width (GDK_SCREEN (screen))
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|| height != gdk_screen_get_height (GDK_SCREEN (screen)))
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g_signal_emit_by_name (screen, "size-changed");
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}
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static gboolean
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screen_changed_idle (gpointer data)
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{
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GdkScreenQuartz *screen = data;
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process_display_reconfiguration (data);
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screen->screen_changed_id = 0;
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return FALSE;
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}
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static void
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display_reconfiguration_callback (CGDirectDisplayID display,
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CGDisplayChangeSummaryFlags flags,
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void *userInfo)
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{
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GdkScreenQuartz *screen = userInfo;
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if (flags & kCGDisplayBeginConfigurationFlag)
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{
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/* Ignore the begin configuration signal. */
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return;
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}
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else
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{
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/* We save information about the changes, so we can emit
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* ::monitors-changed when appropriate. This signal must be
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* emitted when the number, size of position of one of the
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* monitors changes.
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*/
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if (flags & kCGDisplayMovedFlag
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|| flags & kCGDisplayAddFlag
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|| flags & kCGDisplayRemoveFlag
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|| flags & kCGDisplayEnabledFlag
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|| flags & kCGDisplayDisabledFlag)
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screen->emit_monitors_changed = TRUE;
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/* At this point Cocoa does not know about the new screen data
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* yet, so we delay our refresh into an idle handler.
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*/
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if (!screen->screen_changed_id)
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screen->screen_changed_id = gdk_threads_add_idle (screen_changed_idle,
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screen);
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}
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}
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GdkScreen *
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_gdk_screen_quartz_new (void)
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{
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return g_object_new (GDK_TYPE_SCREEN_QUARTZ, NULL);
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}
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GdkDisplay *
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gdk_screen_get_display (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return _gdk_display;
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}
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GdkWindow *
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gdk_screen_get_root_window (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return _gdk_root;
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}
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gint
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gdk_screen_get_number (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return 0;
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}
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gchar *
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_gdk_windowing_substitute_screen_number (const gchar *display_name,
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int screen_number)
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{
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if (screen_number != 0)
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return NULL;
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return g_strdup (display_name);
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}
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GdkColormap*
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gdk_screen_get_default_colormap (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return GDK_SCREEN_QUARTZ (screen)->default_colormap;
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}
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void
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gdk_screen_set_default_colormap (GdkScreen *screen,
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GdkColormap *colormap)
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{
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GdkColormap *old_colormap;
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g_return_if_fail (GDK_IS_SCREEN (screen));
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g_return_if_fail (GDK_IS_COLORMAP (colormap));
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old_colormap = GDK_SCREEN_QUARTZ (screen)->default_colormap;
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GDK_SCREEN_QUARTZ (screen)->default_colormap = g_object_ref (colormap);
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if (old_colormap)
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g_object_unref (old_colormap);
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}
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gint
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gdk_screen_get_width (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return GDK_SCREEN_QUARTZ (screen)->width;
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}
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gint
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gdk_screen_get_height (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return GDK_SCREEN_QUARTZ (screen)->height;
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}
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static gint
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get_mm_from_pixels (NSScreen *screen, int pixels)
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{
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/* userSpaceScaleFactor is in "pixels per point",
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* 72 is the number of points per inch,
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* and 25.4 is the number of millimeters per inch.
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*/
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#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_3
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float dpi = [screen userSpaceScaleFactor] * 72.0;
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#else
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float dpi = 96.0 / 72.0;
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#endif
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return (pixels / dpi) * 25.4;
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}
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static NSScreen *
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get_nsscreen_for_monitor (gint monitor_num)
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{
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NSArray *array;
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NSScreen *screen;
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GDK_QUARTZ_ALLOC_POOL;
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array = [NSScreen screens];
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screen = [array objectAtIndex:monitor_num];
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GDK_QUARTZ_RELEASE_POOL;
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return screen;
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}
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gint
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gdk_screen_get_width_mm (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return get_mm_from_pixels (get_nsscreen_for_monitor (0),
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GDK_SCREEN_QUARTZ (screen)->width);
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}
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gint
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gdk_screen_get_height_mm (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return get_mm_from_pixels (get_nsscreen_for_monitor (0),
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GDK_SCREEN_QUARTZ (screen)->height);
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}
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int
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gdk_screen_get_n_monitors (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return GDK_SCREEN_QUARTZ (screen)->n_screens;
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}
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gint
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gdk_screen_get_monitor_width_mm (GdkScreen *screen,
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gint monitor_num)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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g_return_val_if_fail (monitor_num < gdk_screen_get_n_monitors (screen), 0);
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g_return_val_if_fail (monitor_num >= 0, 0);
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return get_mm_from_pixels (get_nsscreen_for_monitor (monitor_num),
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GDK_SCREEN_QUARTZ (screen)->screen_rects[monitor_num].width);
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}
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gint
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gdk_screen_get_monitor_height_mm (GdkScreen *screen,
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gint monitor_num)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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g_return_val_if_fail (monitor_num < gdk_screen_get_n_monitors (screen), 0);
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g_return_val_if_fail (monitor_num >= 0, 0);
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return get_mm_from_pixels (get_nsscreen_for_monitor (monitor_num),
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GDK_SCREEN_QUARTZ (screen)->screen_rects[monitor_num].height);
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}
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gchar *
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gdk_screen_get_monitor_plug_name (GdkScreen *screen,
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gint monitor_num)
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{
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/* FIXME: Is there some useful name we could use here? */
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return NULL;
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}
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void
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gdk_screen_get_monitor_geometry (GdkScreen *screen,
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gint monitor_num,
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GdkRectangle *dest)
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{
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g_return_if_fail (GDK_IS_SCREEN (screen));
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g_return_if_fail (monitor_num < gdk_screen_get_n_monitors (screen));
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g_return_if_fail (monitor_num >= 0);
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*dest = GDK_SCREEN_QUARTZ (screen)->screen_rects[monitor_num];
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}
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gchar *
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gdk_screen_make_display_name (GdkScreen *screen)
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{
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return g_strdup (gdk_display_get_name (_gdk_display));
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}
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GdkWindow *
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gdk_screen_get_active_window (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return NULL;
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}
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GList *
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gdk_screen_get_window_stack (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return NULL;
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}
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gboolean
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gdk_screen_is_composited (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
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return TRUE;
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}
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