Force kgtk-qt3 to only provide open/save dialogs for recognized applications

This fixes a number of random crash bugs in GTK apps under Trinity sessions
Bugs affected: 468, 535


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kgtk-qt3@1258106 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

gtk2/kgtk2.c

@@ -71,6 +71,8 @@ TODO
 #define KGTK_DLSYM_VERSION "GLIBC_2.0"
 #endif
 
+#define BLACKLIST_UNKNOWN_GTK_APPS 1
+
 /*
 #define KGTK_DEBUG_DLSYM
 */
@@ -88,7 +90,7 @@ static void * real_dlsym (void *handle, const char *name);
 
 typedef enum
 {
-    APP_ANY,
+    APP_UNKNOWN,
     APP_GIMP,
     APP_INKSCAPE,
     APP_FIREFOX,
@@ -100,7 +102,7 @@ static gboolean    useKde=FALSE;
 static gboolean    kdialogdError=FALSE;
 static GMainLoop   *kdialogdLoop=NULL;
 static gchar       *kgtkFileFilter=NULL;
-static Application kgtkApp=APP_ANY;
+static Application kgtkApp=APP_UNKNOWN;
 
 #define MAX_DATA_LEN 4096
 #define MAX_FILTER_LEN 256
@@ -468,23 +470,8 @@ static gboolean isMozApp(const char *app, const char *check)
     return FALSE;
 }
 
-static gboolean kgtkInit(const char *appName)
+static void determineAppName()
 {
-    static gboolean initialised=FALSE;
-#ifdef KGTK_DEBUG
-    printf("KGTK::kgtkInit %s\n", appName);
-#endif
-    if(!initialised)
-    {
-#ifdef KGTK_DEBUG
-        printf("KGTK::Running under KDE? %d\n", NULL!=getenv("TDE_FULL_SESSION"));
-#endif
-
-        initialised=TRUE;
-        kgtkAppName=getAppName(appName);
-        useKde=NULL!=getenv("TDE_FULL_SESSION") && connectToKDialogD(kgtkAppName);
-        if(useKde)
-        {
             const gchar *prg=getAppName(NULL);
 
             if(prg)
@@ -521,19 +508,44 @@ static gboolean kgtkInit(const char *appName)
                     printf("KGTK::Firefox\n");
 #endif
                 }
+                else
+                {
+                    kgtkApp=APP_UNKNOWN;
+                }
             }
+}
 
-            if(!g_threads_got_initialized)
+static gboolean kgtkInit(const char *appName)
-                g_thread_init(NULL);
+{
-            atexit(&kgtkExit);
+    static gboolean initialised=FALSE;
+#ifdef KGTK_DEBUG
+    printf("KGTK::kgtkInit %s\n", appName);
+#endif
+    if(!initialised)
+    {
+#ifdef KGTK_DEBUG
+        printf("KGTK::Running under KDE? %d\n", NULL!=getenv("TDE_FULL_SESSION"));
+#endif
+
+        initialised=TRUE;
+        kgtkAppName=getAppName(appName);
+        useKde=NULL!=getenv("TDE_FULL_SESSION") && connectToKDialogD(kgtkAppName);
+        if(useKde)
+        {
+            determineAppName();
+            if ((kgtkApp != APP_UNKNOWN) || (!BLACKLIST_UNKNOWN_GTK_APPS)) {
+                if(!g_threads_got_initialized)
+                    g_thread_init(NULL);
+                atexit(&kgtkExit);
+            }
         }
     }
 
 #ifdef KGTK_DEBUG
-    printf("KGTK::kgtkInit useKde:%d\n", useKde);
+    printf("KGTK::kgtkInit useKde:%d\n", (useKde && ((kgtkApp != APP_UNKNOWN) || (!BLACKLIST_UNKNOWN_GTK_APPS))));
 #endif
 
-    return useKde;
+    return (useKde && ((kgtkApp != APP_UNKNOWN) || (!BLACKLIST_UNKNOWN_GTK_APPS)));
 }
 
 /* ......................... */
@@ -1129,6 +1141,15 @@ void gtk_widget_hide(GtkWidget *widget)
     if(!realFunction)
         realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_widget_hide");
 
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_widget_hide Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        realFunction(widget);
+        return;
+    }
+
     if(widget && !GTK_IS_FILE_CHOOSER_BUTTON(widget) && GTK_IS_FILE_CHOOSER(widget))
     {
 #ifdef KGTK_DEBUG
@@ -1230,6 +1251,14 @@ gint gtk_dialog_run(GtkDialog *dialog)
     if(!realFunction)
         realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_dialog_run");
 
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_dialog_run Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(dialog);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_dialog_run %s \n", dialog ? gtk_type_name(GTK_WIDGET_TYPE(dialog)) : "<null>");
 #endif
@@ -1439,6 +1468,19 @@ gchar * gtk_file_chooser_get_filename(GtkFileChooser *chooser)
 {
     KGtkFileData *data=lookupHash(chooser, FALSE);
 
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_get_filename");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_get_filename Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_get_filename %d %s\n", data ? g_slist_length(data->files) : 12345,
            data && data->files && data->files->data ? data->files->data : "<>");
@@ -1454,6 +1496,9 @@ gboolean gtk_file_chooser_select_filename(GtkFileChooser *chooser, const char *f
     if(!realFunction)
         realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_select_filename");
     realFunction(chooser, filename);
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+        return;
+    }
 
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_select_filename %s, %d\n", filename,
@@ -1492,6 +1537,9 @@ void gtk_file_chooser_unselect_all(GtkFileChooser *chooser)
     if(!realFunction)
         realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_unselect_all");
     realFunction(chooser);
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+        return;
+    }
 
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_unselect_all %d\n", data ? g_slist_length(data->files) : 12345);
@@ -1512,6 +1560,9 @@ gboolean gtk_file_chooser_set_filename(GtkFileChooser *chooser, const char *file
     if(!realFunction)
         realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_set_filename");
     realFunction(chooser, filename);
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+        return;
+    }
 
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_set_filename %s %d\n", filename,
@@ -1549,13 +1600,18 @@ void gtk_file_chooser_set_current_name(GtkFileChooser *chooser, const char *file
     KGtkFileData         *data=lookupHash(chooser, TRUE);
     GtkFileChooserAction act=gtk_file_chooser_get_action(chooser);
 
-    if(GTK_FILE_CHOOSER_ACTION_SAVE==act || GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER==act)
+    if ((GTK_FILE_CHOOSER_ACTION_SAVE==act || GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER==act) ||
+           ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS)
+           )
     {
         static void * (*realFunction)() = NULL;
 
         if(!realFunction)
             realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_set_current_name");
         realFunction(chooser, filename);
+        if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+            return;
+        }
     }
 
 #ifdef KGTK_DEBUG
@@ -1570,11 +1626,26 @@ void gtk_file_chooser_set_current_name(GtkFileChooser *chooser, const char *file
     }
 }
 
+// [FIXME]
+// This function cannot pick up filenames chosen by a program such as geany
 GSList * gtk_file_chooser_get_filenames(GtkFileChooser *chooser)
 {
     KGtkFileData *data=lookupHash(chooser, FALSE);
     GSList       *rv=NULL;
 
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_get_filenames");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_get_filenames Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_get_filenames %d\n", data ? g_slist_length(data->files) : 12345);
 #endif
@@ -1605,6 +1676,9 @@ gboolean gtk_file_chooser_set_current_folder(GtkFileChooser *chooser, const gcha
     if(!realFunction)
         realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_set_current_folder");
     realFunction(chooser, folder);
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+        return;
+    }
 
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_set_current_folder %s %d\n", folder,
@@ -1625,6 +1699,19 @@ gchar * gtk_file_chooser_get_current_folder(GtkFileChooser *chooser)
 {
     KGtkFileData *data=lookupHash(chooser, FALSE);
 
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_get_current_folder");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_get_current_folder Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_get_current_folder %d\n",
            data ? g_slist_length(data->files) : 12345);
@@ -1640,6 +1727,19 @@ gchar * gtk_file_chooser_get_current_folder(GtkFileChooser *chooser)
 
 gchar * gtk_file_chooser_get_uri(GtkFileChooser *chooser)
 {
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_get_uri");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_get_uri Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_get_uri\n");
 #endif
@@ -1658,6 +1758,19 @@ gchar * gtk_file_chooser_get_uri(GtkFileChooser *chooser)
 
 gboolean gtk_file_chooser_set_uri(GtkFileChooser *chooser, const char *uri)
 {
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_set_uri");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_set_uri Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser, uri);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_set_uri\n");
 #endif
@@ -1676,6 +1789,19 @@ gboolean gtk_file_chooser_set_uri(GtkFileChooser *chooser, const char *uri)
 
 GSList * gtk_file_chooser_get_uris(GtkFileChooser *chooser)
 {
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_get_uris");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_get_uris Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_get_uris\n");
 #endif
@@ -1684,6 +1810,19 @@ GSList * gtk_file_chooser_get_uris(GtkFileChooser *chooser)
 
 gboolean gtk_file_chooser_set_current_folder_uri(GtkFileChooser *chooser, const gchar *uri)
 {
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_set_current_folder_uri");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_set_current_folder_uri Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser, uri);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_set_current_folder_uri\n");
 #endif
@@ -1701,6 +1840,19 @@ gboolean gtk_file_chooser_set_current_folder_uri(GtkFileChooser *chooser, const
 
 gchar * gtk_file_chooser_get_current_folder_uri(GtkFileChooser *chooser)
 {
+    static void * (*realFunction)() = NULL;
+
+    if(!realFunction)
+        realFunction = (void *(*)()) real_dlsym(RTLD_NEXT, "gtk_file_chooser_get_current_folder_uri");
+
+    determineAppName();
+    if ((kgtkApp == APP_UNKNOWN) && BLACKLIST_UNKNOWN_GTK_APPS && realFunction) {
+#ifdef KGTK_DEBUG
+        printf("KGTK::gtk_file_chooser_get_current_folder_uri Bypassing internal function\n\r"); fflush(stdout);
+#endif
+        return realFunction(chooser);
+    }
+
 #ifdef KGTK_DEBUG
     printf("KGTK::gtk_file_chooser_get_current_folder_uri\n");
 #endif
@@ -1737,6 +1889,11 @@ void g_signal_stop_emission_by_name(gpointer instance, const gchar *detailed_sig
 #endif
 }
 
+// [FIXME]
+// This needs to use the real gtk_file_chooser_dialog_new function when an app is blacklisted,
+// but I don't know how to handle the variable arguments!
+// On the other hand this program seems to work just fine with this function this way...hmmm...
+// ...does anything need to be changed in reality?
 GtkWidget * gtk_file_chooser_dialog_new(const gchar *title, GtkWindow *parent,
                              GtkFileChooserAction action, const gchar *first_button_text,
                              ...)