From fb80c3b9a1b00c2eb17d29293cbd9877e456f7ba Mon Sep 17 00:00:00 2001 From: Damon Chaplin Date: Fri, 31 Mar 2000 15:45:24 +0000 Subject: added support for a callback function to set the icons. 2000-03-31 Damon Chaplin * widgets/shortcut-bar/e-shortcut-bar.[hc]: added support for a callback function to set the icons. * widgets/shortcut-bar/test-shortcut-bar.c: updated to use the callback function. svn path=/trunk/; revision=2268 --- widgets/shortcut-bar/e-shortcut-bar.c | 61 +++++++++++++------------------- widgets/shortcut-bar/e-shortcut-bar.h | 19 ++++++++-- widgets/shortcut-bar/test-shortcut-bar.c | 38 +++++++++++++++++++- 3 files changed, 77 insertions(+), 41 deletions(-) (limited to 'widgets/shortcut-bar') diff --git a/widgets/shortcut-bar/e-shortcut-bar.c b/widgets/shortcut-bar/e-shortcut-bar.c index 6225229d53..daa6bfde59 100644 --- a/widgets/shortcut-bar/e-shortcut-bar.c +++ b/widgets/shortcut-bar/e-shortcut-bar.c @@ -44,24 +44,9 @@ static GtkTargetEntry target_table[] = { }; static guint n_targets = sizeof(target_table) / sizeof(target_table[0]); -typedef struct _EShortcutBarBuiltinType EShortcutBarBuiltinType; -struct _EShortcutBarBuiltinType { - gchar *name; - gchar *filename; - GdkPixbuf *image; -}; - -EShortcutBarBuiltinType e_shortcut_bar_builtin_types[] = { - { "folder:", "evolution/evolution-inbox.png", NULL }, - { "calendar:", "evolution/evolution-calendar.png", NULL }, - { "todo:", "evolution/evolution-tasks.png", NULL }, - { "contacts:", "evolution/evolution-contacts.png", NULL } -}; -static gint e_shortcut_bar_num_builtin_types = sizeof (e_shortcut_bar_builtin_types) / sizeof (EShortcutBarBuiltinType); - -gboolean e_shortcut_bar_default_type_image_loaded = FALSE; -GdkPixbuf *e_shortcut_bar_default_type_image = NULL; -gchar *e_shortcut_bar_default_type_filename = "gnome-balsa2.png"; +gboolean e_shortcut_bar_default_icon_loaded = FALSE; +GdkPixbuf *e_shortcut_bar_default_icon = NULL; +gchar *e_shortcut_bar_default_icon_filename = "gnome-folder.png"; static void e_shortcut_bar_class_init (EShortcutBarClass *class); static void e_shortcut_bar_init (EShortcutBar *shortcut_bar); @@ -517,32 +502,34 @@ e_shortcut_bar_stop_editing (GtkWidget *button, } +/* Sets the callback which is called to return the icon to use for a particular + URL. */ +void +e_shortcut_bar_set_icon_callback (EShortcutBar *shortcut_bar, + EShortcutBarIconCallback cb) +{ + shortcut_bar->icon_callback = cb; +} + + static GdkPixbuf * e_shortcut_bar_get_image_from_url (EShortcutBar *shortcut_bar, gchar *item_url) { - gchar *method_terminator; - gint method_len, i; - - method_terminator = strchr (item_url, ':'); - if (method_terminator) { - method_len = method_terminator - item_url + 1; - - /* Check if it is a builtin type. */ - for (i = 0; i < e_shortcut_bar_num_builtin_types; i++) { - if (!strncmp (item_url, e_shortcut_bar_builtin_types[i].name, method_len)) { - if (!e_shortcut_bar_builtin_types[i].image) - e_shortcut_bar_builtin_types[i].image = e_shortcut_bar_load_image (e_shortcut_bar_builtin_types[i].filename); - return e_shortcut_bar_builtin_types[i].image; - } + GdkPixbuf *icon = NULL; + + if (shortcut_bar->icon_callback) + icon = (*shortcut_bar->icon_callback) (shortcut_bar, item_url); + + if (!icon) { + if (!e_shortcut_bar_default_icon_loaded) { + e_shortcut_bar_default_icon_loaded = TRUE; + e_shortcut_bar_default_icon = e_shortcut_bar_load_image (e_shortcut_bar_default_icon_filename); } + icon = e_shortcut_bar_default_icon; } - if (!e_shortcut_bar_default_type_image_loaded) { - e_shortcut_bar_default_type_image_loaded = TRUE; - e_shortcut_bar_default_type_image = e_shortcut_bar_load_image (e_shortcut_bar_default_type_filename); - } - return e_shortcut_bar_default_type_image; + return icon; } diff --git a/widgets/shortcut-bar/e-shortcut-bar.h b/widgets/shortcut-bar/e-shortcut-bar.h index ff7702f869..0164bf1c94 100644 --- a/widgets/shortcut-bar/e-shortcut-bar.h +++ b/widgets/shortcut-bar/e-shortcut-bar.h @@ -37,6 +37,12 @@ extern "C" { * window so users can easily access items such as folders and files. */ +typedef struct _EShortcutBar EShortcutBar; +typedef struct _EShortcutBarClass EShortcutBarClass; + + +typedef GdkPixbuf* (*EShortcutBarIconCallback) (EShortcutBar *shortcut_bar, + gchar *url); /* This contains information on one group. */ typedef struct _EShortcutBarGroup EShortcutBarGroup; @@ -55,9 +61,6 @@ struct _EShortcutBarGroup #define E_IS_SHORTCUT_BAR(obj) GTK_CHECK_TYPE (obj, e_shortcut_bar_get_type ()) -typedef struct _EShortcutBar EShortcutBar; -typedef struct _EShortcutBarClass EShortcutBarClass; - struct _EShortcutBar { EGroupBar group_bar; @@ -65,6 +68,10 @@ struct _EShortcutBar /* This is an array of EShortcutBarGroup elements. */ GArray *groups; + /* The callback which the application sets to return the icon to use + for a given URL. */ + EShortcutBarIconCallback icon_callback; + gchar *dragged_url; gchar *dragged_name; }; @@ -107,6 +114,12 @@ void e_shortcut_bar_remove_item (EShortcutBar *shortcut_bar, gint group_num, gint item_num); +/* Sets the callback which is called to return the icon to use for a particular + URL. This callback must be set before any items are added. If the callback + returns NULL the default icon is used. */ +void e_shortcut_bar_set_icon_callback (EShortcutBar *shortcut_bar, + EShortcutBarIconCallback cb); + #ifdef __cplusplus } #endif /* __cplusplus */ diff --git a/widgets/shortcut-bar/test-shortcut-bar.c b/widgets/shortcut-bar/test-shortcut-bar.c index 2018d614d1..250704d227 100644 --- a/widgets/shortcut-bar/test-shortcut-bar.c +++ b/widgets/shortcut-bar/test-shortcut-bar.c @@ -31,12 +31,19 @@ #include "e-shortcut-bar.h" #define NUM_SHORTCUT_TYPES 5 -gchar *shortcut_types[] = { +gchar *shortcut_types[NUM_SHORTCUT_TYPES] = { "folder:", "file:", "calendar:", "todo:", "contacts:" }; +gchar *icon_filenames[NUM_SHORTCUT_TYPES] = { + "gnome-balsa2.png", "gnome-folder.png", "gnome-calendar.png", + "gnome-cromagnon.png", "gnome-ccthemes.png" +}; +GdkPixbuf *icon_pixbufs[NUM_SHORTCUT_TYPES]; GtkWidget *main_label; +static GdkPixbuf* icon_callback (EShortcutBar *shortcut_bar, + gchar *url); static void on_main_label_size_allocate (GtkWidget *widget, GtkAllocation *allocation, gpointer data); @@ -74,6 +81,8 @@ int main (int argc, char *argv[]) { GtkWidget *window, *hpaned, *shortcut_bar; + gchar *pathname; + gint i; gnome_init ("test-shortcut-bar", "0.1", argc, argv); @@ -94,6 +103,8 @@ main (int argc, char *argv[]) shortcut_bar = e_shortcut_bar_new (); gtk_paned_pack1 (GTK_PANED (hpaned), shortcut_bar, FALSE, TRUE); gtk_widget_show (shortcut_bar); + e_shortcut_bar_set_icon_callback (E_SHORTCUT_BAR (shortcut_bar), + icon_callback); #if 0 gtk_container_set_border_width (GTK_CONTAINER (shortcut_bar), 4); @@ -113,6 +124,15 @@ main (int argc, char *argv[]) gtk_widget_pop_visual (); gtk_widget_pop_colormap (); + /* Load our default icons. */ + for (i = 0; i < NUM_SHORTCUT_TYPES; i++) { + pathname = gnome_pixmap_file (icon_filenames[i]); + if (pathname) + icon_pixbufs[i] = gdk_pixbuf_new_from_file (pathname); + else + icon_pixbufs[i] = NULL; + } + add_test_groups (E_SHORTCUT_BAR (shortcut_bar)); gtk_signal_connect (GTK_OBJECT (shortcut_bar), "item_selected", @@ -125,6 +145,22 @@ main (int argc, char *argv[]) } +static GdkPixbuf* +icon_callback (EShortcutBar *shortcut_bar, + gchar *url) +{ + gint i; + + for (i = 0; i < NUM_SHORTCUT_TYPES; i++) { + if (!strncmp (url, shortcut_types[i], + strlen (shortcut_types[i]))) { + return icon_pixbufs[i]; + } + } + + return NULL; +} + static void on_main_label_size_allocate (GtkWidget *widget, GtkAllocation *allocation, -- cgit v1.2.3