| File: | testsuite/reftests/reftest-snapshot.c |
| Warning: | line 219, column 11 This statement is never executed |
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| 1 | /* |
| 2 | * Copyright (C) 2011 Red Hat Inc. |
| 3 | * |
| 4 | * Author: |
| 5 | * Benjamin Otte <otte@gnome.org> |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Library General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Library General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Library General Public |
| 18 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
| 19 | */ |
| 20 | |
| 21 | #include "config.h" |
| 22 | |
| 23 | #include "reftest-snapshot.h" |
| 24 | |
| 25 | #include "reftest-module.h" |
| 26 | #include "ctk-reftest.h" |
| 27 | |
| 28 | #include <string.h> |
| 29 | |
| 30 | typedef enum { |
| 31 | SNAPSHOT_WINDOW, |
| 32 | SNAPSHOT_DRAW |
| 33 | } SnapshotMode; |
| 34 | |
| 35 | static CtkWidget * |
| 36 | builder_get_toplevel (CtkBuilder *builder) |
| 37 | { |
| 38 | GSList *list, *walk; |
| 39 | CtkWidget *window = NULL((void*)0); |
| 40 | |
| 41 | list = ctk_builder_get_objects (builder); |
| 42 | for (walk = list; walk; walk = walk->next) |
| 43 | { |
| 44 | if (CTK_IS_WINDOW (walk->data)(((__extension__ ({ GTypeInstance *__inst = (GTypeInstance*) ( (walk->data)); GType __t = ((ctk_window_get_type ())); gboolean __r; if (!__inst) __r = (0); else if (__inst->g_class && __inst->g_class->g_type == __t) __r = (!(0)); else __r = g_type_check_instance_is_a (__inst, __t); __r; })))) && |
| 45 | ctk_widget_get_parent (walk->data) == NULL((void*)0)) |
| 46 | { |
| 47 | window = walk->data; |
| 48 | break; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | g_slist_free (list); |
| 53 | |
| 54 | return window; |
| 55 | } |
| 56 | |
| 57 | static gboolean |
| 58 | quit_when_idle (gpointer loop) |
| 59 | { |
| 60 | g_main_loop_quit (loop); |
| 61 | |
| 62 | return G_SOURCE_REMOVE(0); |
| 63 | } |
| 64 | |
| 65 | static gint inhibit_count; |
| 66 | static GMainLoop *loop; |
| 67 | |
| 68 | void |
| 69 | reftest_inhibit_snapshot (void) |
| 70 | { |
| 71 | inhibit_count++; |
| 72 | } |
| 73 | |
| 74 | void |
| 75 | reftest_uninhibit_snapshot (void) |
| 76 | { |
| 77 | g_assert (inhibit_count > 0)do { if (inhibit_count > 0) ; else g_assertion_message_expr (((gchar*) 0), "reftest-snapshot.c", 77, ((const char*) (__func__ )), "inhibit_count > 0"); } while (0); |
| 78 | inhibit_count--; |
| 79 | |
| 80 | if (inhibit_count == 0) |
| 81 | g_idle_add (quit_when_idle, loop); |
| 82 | } |
| 83 | |
| 84 | static void |
| 85 | check_for_draw (CdkEvent *event, |
| 86 | gpointer data G_GNUC_UNUSED__attribute__ ((__unused__))) |
| 87 | { |
| 88 | if (event->type == CDK_EXPOSE) |
| 89 | { |
| 90 | reftest_uninhibit_snapshot (); |
| 91 | cdk_event_handler_set ((CdkEventFunc) ctk_main_do_event, NULL((void*)0), NULL((void*)0)); |
| 92 | } |
| 93 | |
| 94 | ctk_main_do_event (event); |
| 95 | } |
| 96 | |
| 97 | static cairo_surface_t * |
| 98 | snapshot_widget (CtkWidget *widget, SnapshotMode mode) |
| 99 | { |
| 100 | cairo_surface_t *surface; |
| 101 | cairo_pattern_t *bg; |
| 102 | cairo_t *cr; |
| 103 | |
| 104 | g_assert (ctk_widget_get_realized (widget))do { if (ctk_widget_get_realized (widget)) ; else g_assertion_message_expr (((gchar*) 0), "reftest-snapshot.c", 104, ((const char*) (__func__ )), "ctk_widget_get_realized (widget)"); } while (0); |
| 105 | |
| 106 | loop = g_main_loop_new (NULL((void*)0), FALSE(0)); |
| 107 | |
| 108 | /* We wait until the widget is drawn for the first time. |
| 109 | * We can not wait for a CtkWidget::draw event, because that might not |
| 110 | * happen if the window is fully obscured by windowed child widgets. |
| 111 | * Alternatively, we could wait for an expose event on widget's window. |
| 112 | * Both of these are rather hairy, not sure what's best. |
| 113 | * |
| 114 | * We also use an inhibit mechanism, to give module functions a chance |
| 115 | * to delay the snapshot. |
| 116 | */ |
| 117 | reftest_inhibit_snapshot (); |
| 118 | cdk_event_handler_set (check_for_draw, NULL((void*)0), NULL((void*)0)); |
| 119 | g_main_loop_run (loop); |
| 120 | |
| 121 | surface = cdk_window_create_similar_surface (ctk_widget_get_window (widget), |
| 122 | CAIRO_CONTENT_COLOR, |
| 123 | ctk_widget_get_allocated_width (widget), |
| 124 | ctk_widget_get_allocated_height (widget)); |
| 125 | |
| 126 | cr = cairo_create (surface); |
| 127 | |
| 128 | switch (mode) |
| 129 | { |
| 130 | case SNAPSHOT_WINDOW: |
| 131 | { |
| 132 | CdkWindow *window = ctk_widget_get_window (widget); |
| 133 | if (cdk_window_get_window_type (window) == CDK_WINDOW_TOPLEVEL || |
| 134 | cdk_window_get_window_type (window) == CDK_WINDOW_FOREIGN) |
| 135 | { |
| 136 | /* give the WM/server some time to sync. They need it. |
| 137 | * Also, do use popups instead of toplevels in your tests |
| 138 | * whenever you can. |
| 139 | */ |
| 140 | cdk_display_sync (cdk_window_get_display (window)); |
| 141 | g_timeout_add (500, quit_when_idle, loop); |
| 142 | g_main_loop_run (loop); |
| 143 | } |
| 144 | cdk_cairo_set_source_window (cr, window, 0, 0); |
| 145 | cairo_paint (cr); |
| 146 | } |
| 147 | break; |
| 148 | case SNAPSHOT_DRAW: |
| 149 | bg = cdk_window_get_background_pattern (ctk_widget_get_window (widget)); |
| 150 | if (bg) |
| 151 | { |
| 152 | cairo_set_source (cr, bg); |
| 153 | cairo_paint (cr); |
| 154 | } |
| 155 | ctk_widget_draw (widget, cr); |
| 156 | break; |
| 157 | default: |
| 158 | g_assert_not_reached()do { g_assertion_message_expr (((gchar*) 0), "reftest-snapshot.c" , 158, ((const char*) (__func__)), ((void*)0)); } while (0); |
| 159 | break; |
| 160 | } |
| 161 | |
| 162 | cairo_destroy (cr); |
| 163 | g_main_loop_unref (loop); |
| 164 | ctk_widget_destroy (widget); |
| 165 | |
| 166 | return surface; |
| 167 | } |
| 168 | |
| 169 | static void |
| 170 | connect_signals (CtkBuilder *builder, |
| 171 | GObject *object, |
| 172 | const gchar *signal_name, |
| 173 | const gchar *handler_name, |
| 174 | GObject *connect_object, |
| 175 | GConnectFlags flags, |
| 176 | gpointer user_data) |
| 177 | { |
| 178 | ReftestModule *module; |
| 179 | const char *directory; |
| 180 | GCallback func; |
| 181 | GClosure *closure; |
| 182 | char **split; |
| 183 | |
| 184 | directory = user_data; |
| 185 | split = g_strsplit (handler_name, ":", -1); |
| 186 | |
| 187 | switch (g_strv_length (split)) |
| 188 | { |
| 189 | case 1: |
| 190 | func = ctk_builder_lookup_callback_symbol (builder, split[0]); |
| 191 | |
| 192 | if (func) |
| 193 | { |
| 194 | module = NULL((void*)0); |
| 195 | } |
| 196 | else |
| 197 | { |
| 198 | module = reftest_module_new_self (); |
| 199 | if (module == NULL((void*)0)) |
| 200 | { |
| 201 | g_error ("glib compiled without module support."); |
| 202 | return; |
| 203 | } |
| 204 | func = reftest_module_lookup (module, split[0]); |
| 205 | if (!func) |
| 206 | { |
| 207 | g_error ("failed to lookup handler for name '%s' when connecting signals", split[0]); |
| 208 | return; |
| 209 | } |
| 210 | } |
| 211 | break; |
| 212 | case 2: |
| 213 | if (g_getenv ("REFTEST_MODULE_DIR")) |
| 214 | directory = g_getenv ("REFTEST_MODULE_DIR"); |
| 215 | module = reftest_module_new (directory, split[0]); |
| 216 | if (module == NULL((void*)0)) |
| 217 | { |
| 218 | g_error ("Could not load module '%s' from '%s' when looking up '%s'", split[0], directory, handler_name); |
| 219 | return; |
This statement is never executed | |
| 220 | } |
| 221 | func = reftest_module_lookup (module, split[1]); |
| 222 | if (!func) |
| 223 | { |
| 224 | g_error ("failed to lookup handler for name '%s' in module '%s'", split[1], split[0]); |
| 225 | return; |
| 226 | } |
| 227 | break; |
| 228 | default: |
| 229 | g_error ("Could not connect signal handler named '%s'", handler_name); |
| 230 | return; |
| 231 | } |
| 232 | |
| 233 | g_strfreev (split); |
| 234 | |
| 235 | if (connect_object) |
| 236 | { |
| 237 | if (flags & G_CONNECT_SWAPPED) |
| 238 | closure = g_cclosure_new_object_swap (func, connect_object); |
| 239 | else |
| 240 | closure = g_cclosure_new_object (func, connect_object); |
| 241 | } |
| 242 | else |
| 243 | { |
| 244 | if (flags & G_CONNECT_SWAPPED) |
| 245 | closure = g_cclosure_new_swap (func, NULL((void*)0), NULL((void*)0)); |
| 246 | else |
| 247 | closure = g_cclosure_new (func, NULL((void*)0), NULL((void*)0)); |
| 248 | } |
| 249 | |
| 250 | if (module) |
| 251 | g_closure_add_finalize_notifier (closure, module, (GClosureNotify) reftest_module_unref); |
| 252 | |
| 253 | g_signal_connect_closure (object, signal_name, closure, flags & G_CONNECT_AFTER ? TRUE(!(0)) : FALSE(0)); |
| 254 | } |
| 255 | |
| 256 | cairo_surface_t * |
| 257 | reftest_snapshot_ui_file (const char *ui_file) |
| 258 | { |
| 259 | CtkWidget *window; |
| 260 | CtkBuilder *builder; |
| 261 | GError *error = NULL((void*)0); |
| 262 | char *directory; |
| 263 | |
| 264 | directory = g_path_get_dirname (ui_file); |
| 265 | |
| 266 | builder = ctk_builder_new (); |
| 267 | ctk_builder_add_from_file (builder, ui_file, &error); |
| 268 | g_assert_no_error (error)do { if (error) g_assertion_message_error (((gchar*) 0), "reftest-snapshot.c" , 268, ((const char*) (__func__)), "error", error, 0, 0); } while (0); |
| 269 | ctk_builder_connect_signals_full (builder, connect_signals, directory); |
| 270 | window = builder_get_toplevel (builder); |
| 271 | g_object_unref (builder); |
| 272 | g_free (directory); |
| 273 | g_assert (window)do { if (window) ; else g_assertion_message_expr (((gchar*) 0 ), "reftest-snapshot.c", 273, ((const char*) (__func__)), "window" ); } while (0); |
| 274 | |
| 275 | ctk_widget_show (window); |
| 276 | |
| 277 | return snapshot_widget (window, SNAPSHOT_WINDOW); |
| 278 | } |