Cope with multiple GDK backends in GTK3

This commit is contained in:
Daniel P. Berrange 2011-01-13 16:19:10 +00:00
parent b413e37fdc
commit 43876ffbff
2 changed files with 261 additions and 1 deletions

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@ -0,0 +1,255 @@
commit d18c74e37dc280432124ab49e85a26af8bb2a2e0
Author: Daniel P. Berrange <berrange@redhat.com>
Date: Thu Jan 13 16:16:32 2011 +0000
Refactor keymap handling to cope with multiple GDK backends
In GTK3 it is possible to have multiple GDK backends present.
The vncdisplaykeymap code needs a minor refactoring to cope
with this enhancement. The refactoring also trivially maintains
GTK2 compat
diff --git a/src/vncdisplaykeymap.c b/src/vncdisplaykeymap.c
index 4ad4732..0ab9bc1 100644
--- a/src/vncdisplaykeymap.c
+++ b/src/vncdisplaykeymap.c
@@ -54,7 +54,7 @@ static struct {
static unsigned int ref_count_for_untranslated_keys = 0;
-#if defined(GDK_WINDOWING_X11)
+#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#include <X11/XKBlib.h>
#include <stdbool.h>
@@ -69,15 +69,39 @@ static unsigned int ref_count_for_untranslated_keys = 0;
/* Xorg Cygwin aka XWin (offset + mangled XT keycodes) */
#include "vncdisplaykeymap_xorgxwin2rfb.c"
-#ifndef GDK_DISPLAY
-#define GDK_DISPLAY() GDK_DISPLAY_XDISPLAY(gdk_display_get_default())
+/* Gtk2 compat */
+#ifndef GDK_IS_X11_DISPLAY
+#define GDK_IS_X11_DISPLAY(dpy) 1
#endif
+#endif
+
+#ifdef GDK_WINDOWING_WIN32
+/* Win32 native virtual keycodes */
+#include "vncdisplaykeymap_win322rfb.c"
+
+/* Gtk2 compat */
+#ifndef GDK_IS_WIN32_DISPLAY
+#define GDK_IS_WIN32_DISPLAY(dpy) 1
+#endif
+#endif
+
+#ifdef GDK_WINDOWING_QUARTZ
+/* OS-X native keycodes */
+#include "vncdisplaykeymap_osx2rfb.c"
+
+/* Gtk2 compat */
+#ifndef GDK_IS_QUARTZ_DISPLAY
+#define GDK_IS_QUARTZ_DISPLAY(dpy) 1
+#endif
+#endif
+
+#ifdef GDK_WINDOWING_X11
#define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
-static gboolean check_for_xwin(void)
+static gboolean check_for_xwin(GdkDisplay *dpy)
{
- char *vendor = ServerVendor(GDK_DISPLAY());
+ char *vendor = ServerVendor(gdk_x11_display_get_xdisplay(dpy));
if (strstr(vendor, "Cygwin/X"))
return TRUE;
@@ -85,12 +109,13 @@ static gboolean check_for_xwin(void)
return FALSE;
}
-static gboolean check_for_xquartz(void)
+static gboolean check_for_xquartz(GdkDisplay *dpy)
{
int nextensions;
int i;
gboolean match = FALSE;
- char **extensions = XListExtensions(GDK_DISPLAY(), &nextensions);
+ char **extensions = XListExtensions(gdk_x11_display_get_xdisplay(dpy),
+ &nextensions);
for (i = 0 ; extensions != NULL && i < nextensions ; i++) {
if (strcmp(extensions[i], "Apple-WM") == 0 ||
strcmp(extensions[i], "Apple-DRI") == 0)
@@ -101,98 +126,94 @@ static gboolean check_for_xquartz(void)
return match;
}
+#endif
const guint16 const *vnc_display_keymap_gdk2rfb_table(size_t *maplen)
{
- XkbDescPtr desc;
- const gchar *keycodes = NULL;
-
- /* There is no easy way to determine what X11 server
- * and platform & keyboard driver is in use. Thus we
- * do best guess heuristics.
- *
- * This will need more work for people with other
- * X servers..... patches welcomed.
- */
-
- desc = XkbGetKeyboard(GDK_DISPLAY(), XkbGBN_AllComponentsMask,
- XkbUseCoreKbd);
- if (desc) {
- if (desc->names) {
- keycodes = gdk_x11_get_xatom_name(desc->names->keycodes);
- if (!keycodes)
- g_warning("could not lookup keycode name");
+ GdkDisplay *dpy = gdk_display_get_default();
+
+#ifdef GDK_WINDOWING_X11
+ if (GDK_IS_X11_DISPLAY(dpy)) {
+ XkbDescPtr desc;
+ const gchar *keycodes = NULL;
+
+ /* There is no easy way to determine what X11 server
+ * and platform & keyboard driver is in use. Thus we
+ * do best guess heuristics.
+ *
+ * This will need more work for people with other
+ * X servers..... patches welcomed.
+ */
+
+ desc = XkbGetKeyboard(gdk_x11_display_get_xdisplay(dpy),
+ XkbGBN_AllComponentsMask,
+ XkbUseCoreKbd);
+ if (desc) {
+ if (desc->names) {
+ keycodes = gdk_x11_get_xatom_name(desc->names->keycodes);
+ if (!keycodes)
+ g_warning("could not lookup keycode name");
+ }
+ XkbFreeClientMap(desc, XkbGBN_AllComponentsMask, True);
}
- XkbFreeClientMap(desc, XkbGBN_AllComponentsMask, True);
- }
- if (check_for_xwin()) {
- VNC_DEBUG("Using xwin keycode mapping");
- *maplen = G_N_ELEMENTS(keymap_xorgxwin2rfb);
- return keymap_xorgxwin2rfb;
- } else if (check_for_xquartz()) {
- VNC_DEBUG("Using xquartz keycode mapping");
- *maplen = G_N_ELEMENTS(keymap_xorgxquartz2rfb);
- return keymap_xorgxquartz2rfb;
- } else if (keycodes && STRPREFIX(keycodes, "evdev_")) {
- VNC_DEBUG("Using evdev keycode mapping");
- *maplen = G_N_ELEMENTS(keymap_xorgevdev2rfb);
- return keymap_xorgevdev2rfb;
- } else if (keycodes && STRPREFIX(keycodes, "xfree86_")) {
- VNC_DEBUG("Using xfree86 keycode mapping");
- *maplen = G_N_ELEMENTS(keymap_xorgkbd2rfb);
- return keymap_xorgkbd2rfb;
- } else {
- g_warning("Unknown keycode mapping '%s'.\n"
- "Please report to gtk-vnc-list@gnome.org\n"
- "including the following information:\n"
- "\n"
- " - Operating system\n"
- " - GTK build\n"
- " - X11 Server\n"
- " - xprop -root\n"
- " - xdpyinfo\n",
- keycodes);
- return NULL;
+ if (check_for_xwin(dpy)) {
+ VNC_DEBUG("Using xwin keycode mapping");
+ *maplen = G_N_ELEMENTS(keymap_xorgxwin2rfb);
+ return keymap_xorgxwin2rfb;
+ } else if (check_for_xquartz(dpy)) {
+ VNC_DEBUG("Using xquartz keycode mapping");
+ *maplen = G_N_ELEMENTS(keymap_xorgxquartz2rfb);
+ return keymap_xorgxquartz2rfb;
+ } else if (keycodes && STRPREFIX(keycodes, "evdev_")) {
+ VNC_DEBUG("Using evdev keycode mapping");
+ *maplen = G_N_ELEMENTS(keymap_xorgevdev2rfb);
+ return keymap_xorgevdev2rfb;
+ } else if (keycodes && STRPREFIX(keycodes, "xfree86_")) {
+ VNC_DEBUG("Using xfree86 keycode mapping");
+ *maplen = G_N_ELEMENTS(keymap_xorgkbd2rfb);
+ return keymap_xorgkbd2rfb;
+ } else {
+ g_warning("Unknown keycode mapping '%s'.\n"
+ "Please report to gtk-vnc-list@gnome.org\n"
+ "including the following information:\n"
+ "\n"
+ " - Operating system\n"
+ " - GDK build\n"
+ " - X11 Server\n"
+ " - xprop -root\n"
+ " - xdpyinfo\n",
+ keycodes);
+ return NULL;
+ }
}
-}
-
-#elif defined(GDK_WINDOWING_WIN32)
-/* Win32 native virtual keycodes */
-#include "vncdisplaykeymap_win322rfb.c"
-
-const guint16 const *vnc_display_keymap_gdk2rfb_table(size_t *maplen)
-{
- VNC_DEBUG("Using Win32 virtual keycode mapping");
- *maplen = sizeof(keymap_win322rfb);
- return keymap_win322rfb;
-}
-
-#elif defined(GDK_WINDOWING_QUARTZ)
-/* OS-X native keycodes */
-#include "vncdisplaykeymap_osx2rfb.c"
-
-const guint16 const *vnc_display_keymap_gdk2rfb_table(size_t *maplen)
-{
- VNC_DEBUG("Using OS-X virtual keycode mapping");
- *maplen = sizeof(keymap_osx2rfb);
- return keymap_osx2rfb;
-}
+#endif
+#ifdef GDK_WINDOWING_WIN32
+ if (GDK_IS_WIN32_DISPLAY(dpy)) {
+ VNC_DEBUG("Using Win32 virtual keycode mapping");
+ *maplen = sizeof(keymap_win322rfb);
+ return keymap_win322rfb;
+ }
+#endif
-#else
+#ifdef GDK_WINDOWING_QUARTZ
+ if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
+ VNC_DEBUG("Using OS-X virtual keycode mapping");
+ *maplen = sizeof(keymap_osx2rfb);
+ return keymap_osx2rfb;
+ }
+#endif
-const guint16 const *vnc_display_keymap_gdk2rfb_table(size_t *maplen)
-{
g_warning("Unsupported GDK Windowing platform.\n"
+ "Disabling extended keycode tables.\n"
"Please report to gtk-vnc-list@gnome.org\n"
"including the following information:\n"
"\n"
" - Operating system\n"
- " - GTK Windowing system build\n");
+ " - GDK Windowing system build\n");
return NULL;
}
-#endif
guint16 vnc_display_keymap_gdk2rfb(const guint16 const *keycode_map,
size_t keycode_maplen,

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@ -18,7 +18,7 @@
Summary: A GTK2 widget for VNC clients
Name: gtk-vnc
Version: 0.4.2
Release: 6%{?dist}%{?extra_release}
Release: 7%{?dist}%{?extra_release}
License: LGPLv2+
Group: Development/Libraries
Source: http://ftp.gnome.org/pub/GNOME/sources/%{name}/0.4/%{name}-%{version}.tar.bz2
@ -28,6 +28,7 @@ Patch3: %{name}-%{version}-framebuffer-update-bounds-check.patch
Patch4: %{name}-%{version}-pixmap-cache.patch
Patch5: %{name}-%{version}-source-unref.patch
Patch6: %{name}-%{version}-gtk3-drawable.patch
Patch7: %{name}-%{version}-gdk3-backends.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
URL: http://live.gnome.org/gtk-vnc
BuildRequires: gtk2-devel >= 2.14
@ -158,6 +159,7 @@ cd %{name}-%{version}
%patch4 -p1
%patch5 -p1
%patch6 -p1
%patch7 -p1
cd ..
%if %{with_gtk3}
cp -a gtk-vnc-%{version} gtk-vnc2-%{version}
@ -303,6 +305,9 @@ rm -fr %{buildroot}
%changelog
* Thu Jan 13 2011 Daniel P. Berrange <berrange@redhat.com> - 0.4.2-7
- Cope with multiple GDK backends in GTK3
* Tue Jan 11 2011 Daniel P. Berrange <berrange@redhat.com> - 0.4.2-6
- Rebuild for change in GTK3 soname