forked from AuroraMiddleware/gtk
887b7356c3
Every single implementation but Quartz is a no-op for this, so just provide it once rather than in every backend.
670 lines
19 KiB
C
670 lines
19 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2002,2005 Hans Breuer
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* Copyright (C) 2003 Tor Lillqvist
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdk.h"
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#include "gdkprivate-win32.h"
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#include "gdkdisplayprivate.h"
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#include "gdkwin32display.h"
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#include "gdkwin32screen.h"
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#include "gdkwin32window.h"
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#include "gdkwin32.h"
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#define HAVE_MONITOR_INFO
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#if defined(_MSC_VER) && (WINVER < 0x500) && (WINVER > 0x0400)
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#include <multimon.h>
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#elif defined(_MSC_VER) && (WINVER <= 0x0400)
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#undef HAVE_MONITOR_INFO
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#endif
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static gulong
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gdk_win32_display_get_next_serial (GdkDisplay *display)
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{
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return 0;
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}
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#ifdef HAVE_MONITOR_INFO
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static BOOL CALLBACK
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count_monitor (HMONITOR hmonitor,
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HDC hdc,
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LPRECT rect,
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LPARAM data)
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{
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gint *n = (gint *) data;
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(*n)++;
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return TRUE;
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}
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static BOOL CALLBACK
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enum_monitor (HMONITOR hmonitor,
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HDC hdc,
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LPRECT rect,
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LPARAM data)
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{
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/* The struct MONITORINFOEX definition is for some reason different
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* in the winuser.h bundled with mingw64 from that in MSDN and the
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* official 32-bit mingw (the MONITORINFO part is in a separate "mi"
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* member). So to keep this easily compileable with either, repeat
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* the MSDN definition it here.
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*/
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typedef struct tagMONITORINFOEXA2 {
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DWORD cbSize;
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RECT rcMonitor;
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RECT rcWork;
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DWORD dwFlags;
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CHAR szDevice[CCHDEVICENAME];
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} MONITORINFOEXA2;
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MONITORINFOEXA2 monitor_info;
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HDC hDC;
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gint *index = (gint *) data;
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GdkWin32Monitor *monitor;
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g_assert (*index < _gdk_num_monitors);
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monitor = _gdk_monitors + *index;
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monitor_info.cbSize = sizeof (MONITORINFOEXA2);
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GetMonitorInfoA (hmonitor, (MONITORINFO *) &monitor_info);
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#ifndef MONITORINFOF_PRIMARY
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#define MONITORINFOF_PRIMARY 1
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#endif
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monitor->name = g_strdup (monitor_info.szDevice);
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hDC = CreateDCA ("DISPLAY", monitor_info.szDevice, NULL, NULL);
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monitor->width_mm = GetDeviceCaps (hDC, HORZSIZE);
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monitor->height_mm = GetDeviceCaps (hDC, VERTSIZE);
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DeleteDC (hDC);
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monitor->rect.x = monitor_info.rcMonitor.left;
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monitor->rect.y = monitor_info.rcMonitor.top;
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monitor->rect.width = monitor_info.rcMonitor.right - monitor_info.rcMonitor.left;
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monitor->rect.height = monitor_info.rcMonitor.bottom - monitor_info.rcMonitor.top;
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if (monitor_info.dwFlags & MONITORINFOF_PRIMARY &&
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*index != 0)
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{
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/* Put primary monitor at index 0, just in case somebody needs
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* to know which one is the primary.
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*/
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GdkWin32Monitor temp = *monitor;
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*monitor = _gdk_monitors[0];
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_gdk_monitors[0] = temp;
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}
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(*index)++;
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return TRUE;
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}
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#endif /* HAVE_MONITOR_INFO */
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void
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_gdk_monitor_init (void)
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{
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#ifdef HAVE_MONITOR_INFO
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gint i, index;
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_gdk_num_monitors = 0;
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EnumDisplayMonitors (NULL, NULL, count_monitor, (LPARAM) &_gdk_num_monitors);
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_gdk_monitors = g_renew (GdkWin32Monitor, _gdk_monitors, _gdk_num_monitors);
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index = 0;
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EnumDisplayMonitors (NULL, NULL, enum_monitor, (LPARAM) &index);
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_gdk_offset_x = G_MININT;
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_gdk_offset_y = G_MININT;
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/* Calculate offset */
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for (i = 0; i < _gdk_num_monitors; i++)
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{
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_gdk_offset_x = MAX (_gdk_offset_x, -_gdk_monitors[i].rect.x);
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_gdk_offset_y = MAX (_gdk_offset_y, -_gdk_monitors[i].rect.y);
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}
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GDK_NOTE (MISC, g_print ("Multi-monitor offset: (%d,%d)\n",
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_gdk_offset_x, _gdk_offset_y));
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/* Translate monitor coords into GDK coordinate space */
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for (i = 0; i < _gdk_num_monitors; i++)
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{
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_gdk_monitors[i].rect.x += _gdk_offset_x;
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_gdk_monitors[i].rect.y += _gdk_offset_y;
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GDK_NOTE (MISC, g_print ("Monitor %d: %dx%d@%+d%+d\n",
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i, _gdk_monitors[i].rect.width,
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_gdk_monitors[i].rect.height,
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_gdk_monitors[i].rect.x,
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_gdk_monitors[i].rect.y));
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}
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#else
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HDC hDC;
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_gdk_num_monitors = 1;
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_gdk_monitors = g_renew (GdkWin32Monitor, _gdk_monitors, 1);
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_gdk_monitors[0].name = g_strdup ("DISPLAY");
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hDC = GetDC (NULL);
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_gdk_monitors[0].width_mm = GetDeviceCaps (hDC, HORZSIZE);
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_gdk_monitors[0].height_mm = GetDeviceCaps (hDC, VERTSIZE);
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ReleaseDC (NULL, hDC);
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_gdk_monitors[0].rect.x = 0;
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_gdk_monitors[0].rect.y = 0;
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_gdk_monitors[0].rect.width = GetSystemMetrics (SM_CXSCREEN);
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_gdk_monitors[0].rect.height = GetSystemMetrics (SM_CYSCREEN);
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_gdk_offset_x = 0;
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_gdk_offset_y = 0;
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#endif
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}
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GdkDisplay *
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_gdk_win32_display_open (const gchar *display_name)
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{
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GDK_NOTE (MISC, g_print ("gdk_display_open: %s\n", (display_name ? display_name : "NULL")));
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if (display_name == NULL ||
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g_ascii_strcasecmp (display_name,
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gdk_display_get_name (_gdk_display)) == 0)
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{
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if (_gdk_display != NULL)
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{
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GDK_NOTE (MISC, g_print ("... return _gdk_display\n"));
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return _gdk_display;
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}
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}
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else
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{
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GDK_NOTE (MISC, g_print ("... return NULL\n"));
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return NULL;
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}
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_gdk_display = g_object_new (GDK_TYPE_WIN32_DISPLAY, NULL);
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_gdk_screen = g_object_new (GDK_TYPE_WIN32_SCREEN, NULL);
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_gdk_monitor_init ();
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_gdk_visual_init (_gdk_screen);
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_gdk_windowing_window_init (_gdk_screen);
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_gdk_events_init ();
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_gdk_input_init (_gdk_display);
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_gdk_dnd_init ();
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/* Precalculate display name */
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(void) gdk_display_get_name (_gdk_display);
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g_signal_emit_by_name (_gdk_display, "opened");
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GDK_NOTE (MISC, g_print ("... _gdk_display now set up\n"));
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return _gdk_display;
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}
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struct _GdkWin32Display
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{
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GdkDisplay display;
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};
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struct _GdkWin32DisplayClass
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{
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GdkDisplayClass display_class;
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};
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G_DEFINE_TYPE (GdkWin32Display, gdk_win32_display, GDK_TYPE_DISPLAY)
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static const gchar *
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gdk_win32_display_get_name (GdkDisplay *display)
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{
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HDESK hdesk = GetThreadDesktop (GetCurrentThreadId ());
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char dummy;
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char *desktop_name;
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HWINSTA hwinsta = GetProcessWindowStation ();
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char *window_station_name;
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DWORD n;
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DWORD session_id;
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char *display_name;
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static const char *display_name_cache = NULL;
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typedef BOOL (WINAPI *PFN_ProcessIdToSessionId) (DWORD, DWORD *);
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PFN_ProcessIdToSessionId processIdToSessionId;
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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if (display_name_cache != NULL)
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return display_name_cache;
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n = 0;
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GetUserObjectInformation (hdesk, UOI_NAME, &dummy, 0, &n);
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if (n == 0)
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desktop_name = "Default";
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else
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{
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n++;
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desktop_name = g_alloca (n + 1);
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memset (desktop_name, 0, n + 1);
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if (!GetUserObjectInformation (hdesk, UOI_NAME, desktop_name, n, &n))
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desktop_name = "Default";
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}
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n = 0;
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GetUserObjectInformation (hwinsta, UOI_NAME, &dummy, 0, &n);
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if (n == 0)
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window_station_name = "WinSta0";
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else
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{
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n++;
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window_station_name = g_alloca (n + 1);
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memset (window_station_name, 0, n + 1);
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if (!GetUserObjectInformation (hwinsta, UOI_NAME, window_station_name, n, &n))
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window_station_name = "WinSta0";
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}
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processIdToSessionId = (PFN_ProcessIdToSessionId) GetProcAddress (GetModuleHandle ("kernel32.dll"), "ProcessIdToSessionId");
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if (!processIdToSessionId || !processIdToSessionId (GetCurrentProcessId (), &session_id))
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session_id = 0;
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display_name = g_strdup_printf ("%ld\\%s\\%s",
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session_id,
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window_station_name,
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desktop_name);
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GDK_NOTE (MISC, g_print ("gdk_win32_display_get_name: %s\n", display_name));
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display_name_cache = display_name;
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return display_name_cache;
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}
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static GdkScreen *
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gdk_win32_display_get_default_screen (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return _gdk_screen;
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}
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static GdkWindow *
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gdk_win32_display_get_default_group (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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g_warning ("gdk_display_get_default_group not yet implemented");
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return NULL;
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}
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static gboolean
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gdk_win32_display_supports_selection_notification (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
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return TRUE;
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}
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static HWND _hwnd_next_viewer = NULL;
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static int debug_indent = 0;
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/*
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* maybe this should be integrated with the default message loop - or maybe not ;-)
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*/
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static LRESULT CALLBACK
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inner_clipboard_window_procedure (HWND hwnd,
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UINT message,
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WPARAM wparam,
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LPARAM lparam)
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{
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switch (message)
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{
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case WM_DESTROY: /* remove us from chain */
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{
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ChangeClipboardChain (hwnd, _hwnd_next_viewer);
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PostQuitMessage (0);
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return 0;
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}
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case WM_CHANGECBCHAIN:
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{
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HWND hwndRemove = (HWND) wparam; /* handle of window being removed */
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HWND hwndNext = (HWND) lparam; /* handle of next window in chain */
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if (hwndRemove == _hwnd_next_viewer)
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_hwnd_next_viewer = hwndNext == hwnd ? NULL : hwndNext;
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else if (_hwnd_next_viewer != NULL)
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return SendMessage (_hwnd_next_viewer, message, wparam, lparam);
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return 0;
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}
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#ifdef WM_CLIPBOARDUPDATE
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case WM_CLIPBOARDUPDATE:
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#endif
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case WM_DRAWCLIPBOARD:
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{
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int success;
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HWND hwndOwner;
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#ifdef G_ENABLE_DEBUG
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UINT nFormat = 0;
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#endif
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GdkEvent *event;
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GdkWindow *owner;
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success = OpenClipboard (hwnd);
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g_return_val_if_fail (success, 0);
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hwndOwner = GetClipboardOwner ();
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owner = gdk_win32_window_lookup_for_display (_gdk_display, hwndOwner);
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if (owner == NULL)
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owner = gdk_win32_window_foreign_new_for_display (_gdk_display, hwndOwner);
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GDK_NOTE (DND, g_print (" drawclipboard owner: %p", hwndOwner));
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#ifdef G_ENABLE_DEBUG
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if (_gdk_debug_flags & GDK_DEBUG_DND)
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{
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while ((nFormat = EnumClipboardFormats (nFormat)) != 0)
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g_print ("%s ", _gdk_win32_cf_to_string (nFormat));
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}
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#endif
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GDK_NOTE (DND, g_print (" \n"));
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event = gdk_event_new (GDK_OWNER_CHANGE);
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event->owner_change.window = _gdk_root;
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event->owner_change.owner = owner;
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event->owner_change.reason = GDK_OWNER_CHANGE_NEW_OWNER;
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event->owner_change.selection = GDK_SELECTION_CLIPBOARD;
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event->owner_change.time = _gdk_win32_get_next_tick (0);
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event->owner_change.selection_time = GDK_CURRENT_TIME;
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_gdk_win32_append_event (event);
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CloseClipboard ();
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if (_hwnd_next_viewer != NULL)
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return SendMessage (_hwnd_next_viewer, message, wparam, lparam);
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/* clear error to avoid confusing SetClipboardViewer() return */
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SetLastError (0);
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return 0;
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}
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default:
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/* Otherwise call DefWindowProcW(). */
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GDK_NOTE (EVENTS, g_print (" DefWindowProcW"));
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return DefWindowProc (hwnd, message, wparam, lparam);
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}
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}
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static LRESULT CALLBACK
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_clipboard_window_procedure (HWND hwnd,
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UINT message,
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WPARAM wparam,
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LPARAM lparam)
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{
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LRESULT retval;
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GDK_NOTE (EVENTS, g_print ("%s%*s%s %p",
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(debug_indent > 0 ? "\n" : ""),
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debug_indent, "",
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_gdk_win32_message_to_string (message), hwnd));
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debug_indent += 2;
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retval = inner_clipboard_window_procedure (hwnd, message, wparam, lparam);
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debug_indent -= 2;
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GDK_NOTE (EVENTS, g_print (" => %" G_GINT64_FORMAT "%s", (gint64) retval, (debug_indent == 0 ? "\n" : "")));
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return retval;
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}
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/*
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* Creates a hidden window and adds it to the clipboard chain
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*/
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static HWND
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_gdk_win32_register_clipboard_notification (void)
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{
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WNDCLASS wclass = { 0, };
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HWND hwnd;
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ATOM klass;
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wclass.lpszClassName = "GdkClipboardNotification";
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wclass.lpfnWndProc = _clipboard_window_procedure;
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wclass.hInstance = _gdk_app_hmodule;
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klass = RegisterClass (&wclass);
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if (!klass)
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return NULL;
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hwnd = CreateWindow (MAKEINTRESOURCE (klass),
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NULL, WS_POPUP,
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0, 0, 0, 0, NULL, NULL,
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_gdk_app_hmodule, NULL);
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if (!hwnd)
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goto failed;
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SetLastError (0);
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_hwnd_next_viewer = SetClipboardViewer (hwnd);
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if (_hwnd_next_viewer == NULL && GetLastError() != 0)
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goto failed;
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/* FIXME: http://msdn.microsoft.com/en-us/library/ms649033(v=VS.85).aspx */
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/* This is only supported by Vista, and not yet by mingw64 */
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/* if (AddClipboardFormatListener (hwnd) == FALSE) */
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/* goto failed; */
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return hwnd;
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failed:
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g_critical ("Failed to install clipboard viewer");
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UnregisterClass (MAKEINTRESOURCE (klass), _gdk_app_hmodule);
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return NULL;
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}
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static gboolean
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gdk_win32_display_request_selection_notification (GdkDisplay *display,
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GdkAtom selection)
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{
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static HWND hwndViewer = NULL;
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gboolean ret = FALSE;
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GDK_NOTE (DND,
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g_print ("gdk_display_request_selection_notification (..., %s)",
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gdk_atom_name (selection)));
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if (selection == GDK_SELECTION_CLIPBOARD ||
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selection == GDK_SELECTION_PRIMARY)
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{
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if (!hwndViewer)
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{
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hwndViewer = _gdk_win32_register_clipboard_notification ();
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GDK_NOTE (DND, g_print (" registered"));
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}
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ret = (hwndViewer != NULL);
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}
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else
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{
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GDK_NOTE (DND, g_print (" unsupported"));
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ret = FALSE;
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}
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GDK_NOTE (DND, g_print (" -> %s\n", ret ? "TRUE" : "FALSE"));
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|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gdk_win32_display_supports_clipboard_persistence (GdkDisplay *display)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_store_clipboard (GdkDisplay *display,
|
|
GdkWindow *clipboard_window,
|
|
guint32 time_,
|
|
const GdkAtom *targets,
|
|
gint n_targets)
|
|
{
|
|
}
|
|
|
|
static gboolean
|
|
gdk_win32_display_supports_shapes (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gdk_win32_display_supports_input_shapes (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
|
|
|
|
/* Partially supported, see WM_NCHITTEST handler. */
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gdk_win32_display_supports_composite (GdkDisplay *display)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_beep (GdkDisplay *display)
|
|
{
|
|
g_return_if_fail (display == gdk_display_get_default());
|
|
if (!MessageBeep (-1))
|
|
Beep(1000, 50);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_flush (GdkDisplay * display)
|
|
{
|
|
g_return_if_fail (display == _gdk_display);
|
|
|
|
GdiFlush ();
|
|
}
|
|
|
|
|
|
static void
|
|
gdk_win32_display_sync (GdkDisplay * display)
|
|
{
|
|
g_return_if_fail (display == _gdk_display);
|
|
|
|
GdiFlush ();
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_dispose (GObject *object)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_finalize (GObject *object)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_init(GdkWin32Display *display)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gdk_win32_display_before_process_all_updates (GdkDisplay *display)
|
|
{
|
|
/* nothing */
|
|
}
|
|
static void
|
|
gdk_win32_display_after_process_all_updates (GdkDisplay *display)
|
|
{
|
|
/* nothing */
|
|
}
|
|
static void
|
|
gdk_win32_display_notify_startup_complete (GdkDisplay *display,
|
|
const gchar *startup_id)
|
|
{
|
|
/* nothing */
|
|
}
|
|
static void
|
|
gdk_win32_display_push_error_trap (GdkDisplay *display)
|
|
{
|
|
/* nothing */
|
|
}
|
|
static gint
|
|
gdk_win32_display_pop_error_trap (GdkDisplay *display,
|
|
gboolean ignored)
|
|
{
|
|
return 0;
|
|
}
|
|
static void
|
|
gdk_win32_display_class_init (GdkWin32DisplayClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (klass);
|
|
|
|
object_class->dispose = gdk_win32_display_dispose;
|
|
object_class->finalize = gdk_win32_display_finalize;
|
|
|
|
display_class->window_type = GDK_TYPE_WIN32_WINDOW;
|
|
|
|
display_class->get_name = gdk_win32_display_get_name;
|
|
display_class->get_default_screen = gdk_win32_display_get_default_screen;
|
|
display_class->beep = gdk_win32_display_beep;
|
|
display_class->sync = gdk_win32_display_sync;
|
|
display_class->flush = gdk_win32_display_flush;
|
|
display_class->has_pending = _gdk_win32_display_has_pending;
|
|
display_class->queue_events = _gdk_win32_display_queue_events;
|
|
display_class->get_default_group = gdk_win32_display_get_default_group;
|
|
|
|
display_class->supports_selection_notification = gdk_win32_display_supports_selection_notification;
|
|
display_class->request_selection_notification = gdk_win32_display_request_selection_notification;
|
|
display_class->supports_clipboard_persistence = gdk_win32_display_supports_clipboard_persistence;
|
|
display_class->store_clipboard = gdk_win32_display_store_clipboard;
|
|
display_class->supports_shapes = gdk_win32_display_supports_shapes;
|
|
display_class->supports_input_shapes = gdk_win32_display_supports_input_shapes;
|
|
display_class->supports_composite = gdk_win32_display_supports_composite;
|
|
|
|
display_class->list_devices = _gdk_win32_display_list_devices;
|
|
//? display_class->get_app_launch_context = _gdk_win32_display_get_app_launch_context;
|
|
display_class->get_cursor_for_type = _gdk_win32_display_get_cursor_for_type;
|
|
display_class->get_cursor_for_name = _gdk_win32_display_get_cursor_for_name;
|
|
display_class->get_cursor_for_surface = _gdk_win32_display_get_cursor_for_surface;
|
|
display_class->get_default_cursor_size = _gdk_win32_display_get_default_cursor_size;
|
|
display_class->get_maximal_cursor_size = _gdk_win32_display_get_maximal_cursor_size;
|
|
display_class->supports_cursor_alpha = _gdk_win32_display_supports_cursor_alpha;
|
|
display_class->supports_cursor_color = _gdk_win32_display_supports_cursor_color;
|
|
|
|
display_class->before_process_all_updates = gdk_win32_display_before_process_all_updates;
|
|
display_class->after_process_all_updates = gdk_win32_display_after_process_all_updates;
|
|
display_class->get_next_serial = gdk_win32_display_get_next_serial;
|
|
display_class->notify_startup_complete = gdk_win32_display_notify_startup_complete;
|
|
display_class->create_window_impl = _gdk_win32_display_create_window_impl;
|
|
|
|
display_class->get_keymap = _gdk_win32_display_get_keymap;
|
|
display_class->push_error_trap = gdk_win32_display_push_error_trap;
|
|
display_class->pop_error_trap = gdk_win32_display_pop_error_trap;
|
|
display_class->get_selection_owner = _gdk_win32_display_get_selection_owner;
|
|
display_class->set_selection_owner = _gdk_win32_display_set_selection_owner;
|
|
display_class->send_selection_notify = _gdk_win32_display_send_selection_notify;
|
|
display_class->get_selection_property = _gdk_win32_display_get_selection_property;
|
|
display_class->convert_selection = _gdk_win32_display_convert_selection;
|
|
display_class->text_property_to_utf8_list = _gdk_win32_display_text_property_to_utf8_list;
|
|
display_class->utf8_to_string_target = _gdk_win32_display_utf8_to_string_target;
|
|
|
|
_gdk_win32_windowing_init ();
|
|
}
|