GtkPrintOperationPrivate *priv;
IPrintDialogCallback *callback;
HPROPSHEETPAGE prop_page;
+ static volatile gsize common_controls_initialized = 0;
+
+ if (g_once_init_enter (&common_controls_initialized))
+ {
+ BOOL initialized;
+ INITCOMMONCONTROLSEX icc;
+
+ memset (&icc, 0, sizeof (icc));
+ icc.dwSize = sizeof (icc);
+ icc.dwICC = ICC_WIN95_CLASSES;
+
+ initialized = InitCommonControlsEx (&icc);
+ if (!initialized)
+ g_warning ("Failed to InitCommonControlsEx: %lu\n", GetLastError ());
+
+ _gtk_load_dll_with_libgtk3_manifest ("comdlg32.dll");
+
+ g_once_init_leave (&common_controls_initialized, initialized ? 1 : 0);
+ }
*do_print = FALSE;
#define STRICT
#include <windows.h>
+#include <commctrl.h>
#undef STRICT
+/* In practice, resulting DLL will have manifest resource under index 2.
+ * Fall back to that value if we can't find resource index programmatically.
+ */
+#define EMPIRIC_MANIFEST_RESOURCE_INDEX 2
+
+
static HMODULE gtk_dll;
BOOL WINAPI
return TRUE;
}
+static BOOL CALLBACK
+find_first_manifest (HMODULE module_handle,
+ LPCSTR resource_type,
+ LPSTR resource_name,
+ LONG_PTR user_data)
+{
+ LPSTR *result_name = (LPSTR *) user_data;
+
+ if (resource_type == RT_MANIFEST)
+ {
+ if (IS_INTRESOURCE (resource_name))
+ *result_name = resource_name;
+ else
+ *result_name = g_strdup (resource_name);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/**
+ * Grabs the first manifest it finds in libgtk3 (which is expected to be the
+ * common-controls-6.0.0.0 manifest we embedded to enable visual styles),
+ * uses it to create a process-default activation context, activates that
+ * context, loads up the library passed in @dllname, then deactivates and
+ * releases the context.
+ *
+ * In practice this is used to force system DLLs (like comdlg32) to be
+ * loaded as if the application had the same manifest as libgtk3
+ * (otherwise libgtk3 manifest only affests libgtk3 itself).
+ * This way application does not need to have a manifest or to link
+ * against comctl32.
+ *
+ * Note that loaded library handle leaks, so only use this function in
+ * g_once_init_enter (leaking once is OK, Windows will clean up after us).
+ */
+void
+_gtk_load_dll_with_libgtk3_manifest (const gchar *dll_name)
+{
+ HANDLE activation_ctx_handle;
+ ACTCTXA activation_ctx_descriptor;
+ ULONG_PTR activation_cookie;
+ LPSTR resource_name;
+ BOOL activated;
+
+ resource_name = NULL;
+ EnumResourceNames (gtk_dll, RT_MANIFEST, find_first_manifest,
+ (LONG_PTR) &resource_name);
+
+ if (resource_name == NULL)
+ resource_name = MAKEINTRESOURCEA (EMPIRIC_MANIFEST_RESOURCE_INDEX);
+
+ memset (&activation_ctx_descriptor, 0, sizeof (activation_ctx_descriptor));
+ activation_ctx_descriptor.cbSize = sizeof (activation_ctx_descriptor);
+ activation_ctx_descriptor.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID |
+ ACTCTX_FLAG_HMODULE_VALID |
+ ACTCTX_FLAG_SET_PROCESS_DEFAULT;
+ activation_ctx_descriptor.hModule = gtk_dll;
+ activation_ctx_descriptor.lpResourceName = resource_name;
+ activation_ctx_handle = CreateActCtx (&activation_ctx_descriptor);
+
+ if (activation_ctx_handle == INVALID_HANDLE_VALUE)
+ g_warning ("Failed to CreateActCtx for module %p, resource %p: %lu\n",
+ gtk_dll, resource_name, GetLastError ());
+ else
+ {
+ activation_cookie = 0;
+ activated = ActivateActCtx (activation_ctx_handle, &activation_cookie);
+
+ if (!activated)
+ g_warning ("Failed to ActivateActCtx: %lu\n", GetLastError ());
+
+ LoadLibraryA (dll_name);
+
+ if (activated && !DeactivateActCtx (0, activation_cookie))
+ g_warning ("Failed to DeactivateActCtx: %lu\n", GetLastError ());
+
+ ReleaseActCtx (activation_ctx_handle);
+ }
+
+ if (!IS_INTRESOURCE (resource_name))
+ g_free (resource_name);
+}
+
const gchar *
_gtk_get_libdir (void)
{
projects / gtk4.git / commitdiff