diff options
Diffstat (limited to 'gtk+-mingw/share/gtk-3.0/demo/stock_browser.c')
| -rw-r--r-- | gtk+-mingw/share/gtk-3.0/demo/stock_browser.c | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/gtk+-mingw/share/gtk-3.0/demo/stock_browser.c b/gtk+-mingw/share/gtk-3.0/demo/stock_browser.c deleted file mode 100644 index 06ccb8c..0000000 --- a/gtk+-mingw/share/gtk-3.0/demo/stock_browser.c +++ /dev/null @@ -1,535 +0,0 @@ -/* Stock Item and Icon Browser - * - * This source code for this demo doesn't demonstrate anything - * particularly useful in applications. The purpose of the "demo" is - * just to provide a handy place to browse the available stock icons - * and stock items. - */ - -#include <string.h> - -#include <gtk/gtk.h> - -static GtkWidget *window = NULL; - -typedef struct _StockItemInfo StockItemInfo; -struct _StockItemInfo -{ - gchar *id; - GtkStockItem item; - GdkPixbuf *small_icon; - gchar *macro; - gchar *accel_str; -}; - -/* Make StockItemInfo a boxed type so we can automatically - * manage memory - */ -#define STOCK_ITEM_INFO_TYPE stock_item_info_get_type () - -static void -stock_item_info_free (StockItemInfo *info) -{ - g_free (info->id); - g_free (info->macro); - g_free (info->accel_str); - if (info->small_icon) - g_object_unref (info->small_icon); - - g_free (info); -} - -static StockItemInfo* -stock_item_info_copy (StockItemInfo *src) -{ - StockItemInfo *info; - - info = g_new (StockItemInfo, 1); - info->id = g_strdup (src->id); - info->macro = g_strdup (src->macro); - info->accel_str = g_strdup (src->accel_str); - - info->item = src->item; - - info->small_icon = src->small_icon; - if (info->small_icon) - g_object_ref (info->small_icon); - - return info; -} - -static -G_DEFINE_BOXED_TYPE (StockItemInfo, stock_item_info, - stock_item_info_copy, - stock_item_info_free) - -typedef struct _StockItemDisplay StockItemDisplay; -struct _StockItemDisplay -{ - GtkWidget *type_label; - GtkWidget *macro_label; - GtkWidget *id_label; - GtkWidget *label_accel_label; - GtkWidget *icon_image; -}; - -static gchar* -id_to_macro (const gchar *id) -{ - GString *macro = NULL; - const gchar *cp; - - /* gtk-foo-bar -> GTK_STOCK_FOO_BAR */ - - macro = g_string_new (NULL); - - cp = id; - - if (strncmp (cp, "gtk-", 4) == 0) - { - g_string_append (macro, "GTK_STOCK_"); - cp += 4; - } - - while (*cp) - { - if (*cp == '-') - g_string_append_c (macro, '_'); - else if (g_ascii_islower (*cp)) - g_string_append_c (macro, g_ascii_toupper (*cp)); - else - g_string_append_c (macro, *cp); - - cp++; - } - - return g_string_free (macro, FALSE); -} - -static GtkTreeModel* -create_model (void) -{ - GtkListStore *store; - GSList *ids; - GSList *tmp_list; - - store = gtk_list_store_new (2, STOCK_ITEM_INFO_TYPE, G_TYPE_STRING); - - ids = gtk_stock_list_ids (); - ids = g_slist_sort (ids, (GCompareFunc) strcmp); - tmp_list = ids; - while (tmp_list != NULL) - { - StockItemInfo info; - GtkStockItem item; - GtkTreeIter iter; - GtkIconSet *icon_set; - - info.id = tmp_list->data; - - if (gtk_stock_lookup (info.id, &item)) - { - info.item = item; - } - else - { - info.item.label = NULL; - info.item.stock_id = NULL; - info.item.modifier = 0; - info.item.keyval = 0; - info.item.translation_domain = NULL; - } - - /* only show icons for stock IDs that have default icons */ - icon_set = gtk_icon_factory_lookup_default (info.id); - if (icon_set) - { - GtkIconSize *sizes = NULL; - gint n_sizes = 0; - gint i; - GtkIconSize size; - - /* See what sizes this stock icon really exists at */ - gtk_icon_set_get_sizes (icon_set, &sizes, &n_sizes); - - /* Use menu size if it exists, otherwise first size found */ - size = sizes[0]; - i = 0; - while (i < n_sizes) - { - if (sizes[i] == GTK_ICON_SIZE_MENU) - { - size = GTK_ICON_SIZE_MENU; - break; - } - ++i; - } - g_free (sizes); - - info.small_icon = gtk_widget_render_icon_pixbuf (window, - info.id, - size); - - if (size != GTK_ICON_SIZE_MENU) - { - /* Make the result the proper size for our thumbnail */ - gint w, h; - GdkPixbuf *scaled; - - gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &w, &h); - - scaled = gdk_pixbuf_scale_simple (info.small_icon, - w, h, - GDK_INTERP_BILINEAR); - - g_object_unref (info.small_icon); - info.small_icon = scaled; - } - } - else - info.small_icon = NULL; - - if (info.item.keyval != 0) - { - info.accel_str = gtk_accelerator_name (info.item.keyval, - info.item.modifier); - } - else - { - info.accel_str = g_strdup (""); - } - - info.macro = id_to_macro (info.id); - - gtk_list_store_append (store, &iter); - gtk_list_store_set (store, &iter, 0, &info, 1, info.id, -1); - - g_free (info.macro); - g_free (info.accel_str); - if (info.small_icon) - g_object_unref (info.small_icon); - - tmp_list = g_slist_next (tmp_list); - } - - g_slist_foreach (ids, (GFunc)g_free, NULL); - g_slist_free (ids); - - return GTK_TREE_MODEL (store); -} - -/* Finds the largest size at which the given image stock id is - * available. This would not be useful for a normal application - */ -static GtkIconSize -get_largest_size (const char *id) -{ - GtkIconSet *set = gtk_icon_factory_lookup_default (id); - GtkIconSize *sizes; - gint n_sizes, i; - GtkIconSize best_size = GTK_ICON_SIZE_INVALID; - gint best_pixels = 0; - - gtk_icon_set_get_sizes (set, &sizes, &n_sizes); - - for (i = 0; i < n_sizes; i++) - { - gint width, height; - - gtk_icon_size_lookup (sizes[i], &width, &height); - - if (width * height > best_pixels) - { - best_size = sizes[i]; - best_pixels = width * height; - } - } - - g_free (sizes); - - return best_size; -} - -static void -selection_changed (GtkTreeSelection *selection) -{ - GtkTreeView *treeview; - StockItemDisplay *display; - GtkTreeModel *model; - GtkTreeIter iter; - - treeview = gtk_tree_selection_get_tree_view (selection); - display = g_object_get_data (G_OBJECT (treeview), "stock-display"); - - if (gtk_tree_selection_get_selected (selection, &model, &iter)) - { - StockItemInfo *info; - gchar *str; - - gtk_tree_model_get (model, &iter, - 0, &info, - -1); - - if (info->small_icon && info->item.label) - gtk_label_set_text (GTK_LABEL (display->type_label), "Icon and Item"); - else if (info->small_icon) - gtk_label_set_text (GTK_LABEL (display->type_label), "Icon Only"); - else if (info->item.label) - gtk_label_set_text (GTK_LABEL (display->type_label), "Item Only"); - else - gtk_label_set_text (GTK_LABEL (display->type_label), "???????"); - - gtk_label_set_text (GTK_LABEL (display->macro_label), info->macro); - gtk_label_set_text (GTK_LABEL (display->id_label), info->id); - - if (info->item.label) - { - str = g_strdup_printf ("%s %s", info->item.label, info->accel_str); - gtk_label_set_text_with_mnemonic (GTK_LABEL (display->label_accel_label), str); - g_free (str); - } - else - { - gtk_label_set_text (GTK_LABEL (display->label_accel_label), ""); - } - - if (info->small_icon) - gtk_image_set_from_stock (GTK_IMAGE (display->icon_image), info->id, - get_largest_size (info->id)); - else - gtk_image_set_from_pixbuf (GTK_IMAGE (display->icon_image), NULL); - - stock_item_info_free (info); - } - else - { - gtk_label_set_text (GTK_LABEL (display->type_label), "No selected item"); - gtk_label_set_text (GTK_LABEL (display->macro_label), ""); - gtk_label_set_text (GTK_LABEL (display->id_label), ""); - gtk_label_set_text (GTK_LABEL (display->label_accel_label), ""); - gtk_image_set_from_pixbuf (GTK_IMAGE (display->icon_image), NULL); - } -} - -static void -macro_set_func_text (GtkTreeViewColumn *tree_column, - GtkCellRenderer *cell, - GtkTreeModel *model, - GtkTreeIter *iter, - gpointer data) -{ - StockItemInfo *info; - - gtk_tree_model_get (model, iter, - 0, &info, - -1); - - g_object_set (GTK_CELL_RENDERER (cell), - "text", info->macro, - NULL); - - stock_item_info_free (info); -} - -static void -id_set_func (GtkTreeViewColumn *tree_column, - GtkCellRenderer *cell, - GtkTreeModel *model, - GtkTreeIter *iter, - gpointer data) -{ - StockItemInfo *info; - - gtk_tree_model_get (model, iter, - 0, &info, - -1); - - g_object_set (GTK_CELL_RENDERER (cell), - "text", info->id, - NULL); - - stock_item_info_free (info); -} - -static void -accel_set_func (GtkTreeViewColumn *tree_column, - GtkCellRenderer *cell, - GtkTreeModel *model, - GtkTreeIter *iter, - gpointer data) -{ - StockItemInfo *info; - - gtk_tree_model_get (model, iter, - 0, &info, - -1); - - g_object_set (GTK_CELL_RENDERER (cell), - "text", info->accel_str, - NULL); - - stock_item_info_free (info); -} - -static void -label_set_func (GtkTreeViewColumn *tree_column, - GtkCellRenderer *cell, - GtkTreeModel *model, - GtkTreeIter *iter, - gpointer data) -{ - StockItemInfo *info; - - gtk_tree_model_get (model, iter, - 0, &info, - -1); - - g_object_set (GTK_CELL_RENDERER (cell), - "text", info->item.label, - NULL); - - stock_item_info_free (info); -} - -GtkWidget * -do_stock_browser (GtkWidget *do_widget) -{ - if (!window) - { - GtkWidget *frame; - GtkWidget *vbox; - GtkWidget *hbox; - GtkWidget *sw; - GtkWidget *treeview; - GtkTreeModel *model; - GtkCellRenderer *cell_renderer; - StockItemDisplay *display; - GtkTreeSelection *selection; - GtkTreeViewColumn *column; - - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - gtk_window_set_screen (GTK_WINDOW (window), - gtk_widget_get_screen (do_widget)); - gtk_window_set_title (GTK_WINDOW (window), "Stock Icons and Items"); - gtk_window_set_default_size (GTK_WINDOW (window), -1, 500); - - g_signal_connect (window, "destroy", G_CALLBACK (gtk_widget_destroyed), &window); - gtk_container_set_border_width (GTK_CONTAINER (window), 8); - - hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8); - gtk_container_add (GTK_CONTAINER (window), hbox); - - sw = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), - GTK_POLICY_NEVER, - GTK_POLICY_AUTOMATIC); - gtk_box_pack_start (GTK_BOX (hbox), sw, FALSE, FALSE, 0); - - model = create_model (); - - treeview = gtk_tree_view_new_with_model (model); - - g_object_unref (model); - - gtk_container_add (GTK_CONTAINER (sw), treeview); - - column = gtk_tree_view_column_new (); - gtk_tree_view_column_set_title (column, "Macro"); - - cell_renderer = gtk_cell_renderer_pixbuf_new (); - gtk_tree_view_column_pack_start (column, - cell_renderer, - FALSE); - gtk_tree_view_column_set_attributes (column, cell_renderer, - "stock_id", 1, NULL); - cell_renderer = gtk_cell_renderer_text_new (); - gtk_tree_view_column_pack_start (column, - cell_renderer, - TRUE); - gtk_tree_view_column_set_cell_data_func (column, cell_renderer, - macro_set_func_text, NULL, NULL); - - gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), - column); - - cell_renderer = gtk_cell_renderer_text_new (); - gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview), - -1, - "Label", - cell_renderer, - label_set_func, - NULL, - NULL); - - cell_renderer = gtk_cell_renderer_text_new (); - gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview), - -1, - "Accel", - cell_renderer, - accel_set_func, - NULL, - NULL); - - cell_renderer = gtk_cell_renderer_text_new (); - gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview), - -1, - "ID", - cell_renderer, - id_set_func, - NULL, - NULL); - - frame = gtk_frame_new ("Selected Item"); - gtk_widget_set_valign (frame, GTK_ALIGN_START); - gtk_box_pack_end (GTK_BOX (hbox), frame, FALSE, FALSE, 0); - - vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8); - gtk_container_set_border_width (GTK_CONTAINER (vbox), 4); - gtk_container_add (GTK_CONTAINER (frame), vbox); - - display = g_new (StockItemDisplay, 1); - g_object_set_data_full (G_OBJECT (treeview), - "stock-display", - display, - g_free); /* free display with treeview */ - - display->type_label = gtk_label_new (NULL); - display->macro_label = gtk_label_new (NULL); - display->id_label = gtk_label_new (NULL); - display->label_accel_label = gtk_label_new (NULL); - display->icon_image = gtk_image_new_from_pixbuf (NULL); /* empty image */ - - gtk_box_pack_start (GTK_BOX (vbox), display->type_label, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (vbox), display->icon_image, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (vbox), display->label_accel_label, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (vbox), display->macro_label, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (vbox), display->id_label, - FALSE, FALSE, 0); - - selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)); - gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE); - - g_signal_connect (selection, - "changed", - G_CALLBACK (selection_changed), - NULL); - } - - if (!gtk_widget_get_visible (window)) - { - gtk_widget_show_all (window); - } - else - { - gtk_widget_destroy (window); - window = NULL; - } - - return window; -} |