src/tint2conf/theme_view.c (raw)
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#include "theme_view.h" enum { PROP_PERCENTAGE = 1, PROP_THEME, PROP_SNAPSHOT, }; static gpointer parent_class = NULL; static void custom_list_init(CustomList *cellprogress); static void custom_list_class_init(CustomListClass *klass); static void custom_list_get_property(GObject *object, guint param_id, GValue *value, GParamSpec *pspec); static void custom_list_set_property(GObject *object, guint param_id, const GValue *value, GParamSpec *pspec); static void custom_list_finalize(GObject *gobject); // These functions are the heart of our custom cell renderer static void custom_list_get_size(GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height); static void custom_list_render(GtkCellRenderer *cell, GdkWindow *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags); // register our type with the GObject type system if we haven't done so yet. // Everything else is done in the callbacks. GType custom_list_get_type() { static GType type = 0; if (type) return type; if (1) { static const GTypeInfo cell_info = { sizeof (CustomListClass), NULL, NULL, (GClassInitFunc)custom_list_class_init, NULL, NULL, sizeof (CustomList), 0, (GInstanceInitFunc)custom_list_init, }; // Derive from GtkCellRenderer type = g_type_register_static(GTK_TYPE_CELL_RENDERER, "CustomList", &cell_info, 0); } return type; } // klass initialisation // - override the parent's functions that we need to implement. // - declare our property // - If you want cells that are editable, you need to override 'activate' and 'start_editing'. static void custom_list_class_init(CustomListClass *klass) { GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(klass); GObjectClass *object_class = G_OBJECT_CLASS(klass); printf("custom_list_class_init : deb\n"); parent_class = g_type_class_peek_parent (klass); cell_class->render = custom_list_render; cell_class->get_size = custom_list_get_size; object_class->get_property = custom_list_get_property; object_class->set_property = custom_list_set_property; object_class->finalize = custom_list_finalize; // Install our very own properties g_object_class_install_property(object_class, PROP_PERCENTAGE, g_param_spec_double("percentage", "Percentage", "The fractional progress to display", 0.0, 1.0, 0.0, G_PARAM_READWRITE)); g_object_class_install_property(object_class, PROP_THEME, g_param_spec_string("theme", "Theme", "Theme file name", NULL, G_PARAM_READWRITE)); g_object_class_install_property(object_class, PROP_SNAPSHOT, g_param_spec_string("snapshot", "Snapshot", "Snapshot file name", NULL, G_PARAM_READWRITE)); } // CustomList renderer initialisation static void custom_list_init(CustomList *custom_list) { printf("custom_list_init : deb\n"); // set some default properties of the parent (GtkCellRenderer). GTK_CELL_RENDERER(custom_list)->mode = GTK_CELL_RENDERER_MODE_INERT; GTK_CELL_RENDERER(custom_list)->xpad = 2; GTK_CELL_RENDERER(custom_list)->ypad = 2; } static void custom_list_finalize(GObject *object) { /* CustomList *cellrendererprogress = CUSTOM_LIST(object); */ printf("custom_list_finalize\n"); // Free any dynamically allocated resources here (* G_OBJECT_CLASS (parent_class)->finalize) (object); } static void custom_list_set_property(GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { CustomList *custom_list = CUSTOM_LIST(object); switch (param_id) { case PROP_PERCENTAGE: printf("custom_list_set_property : PROP_PERCENTAGE\n"); custom_list->progress = g_value_get_double(value); break; case PROP_THEME: printf("custom_list_set_property : PROP_THEME\n"); //if (custom_list->nameTheme) g_free(custom_list->nameTheme); custom_list->nameTheme = g_strdup(g_value_get_string(value)); break; case PROP_SNAPSHOT: printf("custom_list_set_property : PROP_SNAPSHOT\n"); custom_list->nameSnapshot = g_strdup(g_value_get_string(value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec); break; } } static void custom_list_get_property(GObject *object, guint param_id, GValue *value, GParamSpec *psec) { CustomList *custom_list = CUSTOM_LIST(object); switch (param_id) { case PROP_PERCENTAGE: printf("custom_list_get_property : PROP_PERCENTAGE\n"); g_value_set_double(value, custom_list->progress); break; case PROP_THEME: printf("custom_list_get_property : PROP_THEME\n"); g_value_set_string(value, g_strdup(custom_list->nameTheme)); break; case PROP_SNAPSHOT: printf("custom_list_get_property : PROP_SNAPSHOT\n"); g_value_set_string(value, g_strdup(custom_list->nameSnapshot)); break; //g_value_set_object (value, (GObject *)priv->image); default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec); break; } } GtkCellRenderer *custom_list_new() { return g_object_new(CUSTOM_LIST_TYPE, NULL); } /*************************************************************************** * * custom_cell_renderer_progress_get_size: crucial - calculate the size * of our cell, taking into account * padding and alignment properties * of parent. * ***************************************************************************/ #define FIXED_WIDTH 100 #define FIXED_HEIGHT 20 static void custom_list_get_size(GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height) { gint calc_width; gint calc_height; calc_width = (gint) cell->xpad * 2 + FIXED_WIDTH; calc_height = (gint) cell->ypad * 2 + FIXED_HEIGHT; if (width) *width = calc_width; if (height) *height = calc_height; if (cell_area) { if (x_offset) { *x_offset = cell->xalign * (cell_area->width - calc_width); *x_offset = MAX (*x_offset, 0); } if (y_offset) { *y_offset = cell->yalign * (cell_area->height - calc_height); *y_offset = MAX (*y_offset, 0); } } } /*************************************************************************** * * custom_cell_renderer_progress_render: crucial - do the rendering. * ***************************************************************************/ static void custom_list_render(GtkCellRenderer *cell, GdkWindow *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags) { CustomList *custom_list = CUSTOM_LIST(cell); GtkStateType state; gint width, height; gint x_offset, y_offset; //printf("custom_list_render\n"); custom_list_get_size (cell, widget, cell_area, &x_offset, &y_offset, &width, &height); if (GTK_WIDGET_HAS_FOCUS (widget)) state = GTK_STATE_ACTIVE; else state = GTK_STATE_NORMAL; width -= cell->xpad*2; height -= cell->ypad*2; gtk_paint_box (widget->style, window, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL, widget, "trough", cell_area->x + x_offset + cell->xpad, cell_area->y + y_offset + cell->ypad, width - 1, height - 1); gtk_paint_box (widget->style, window, state, GTK_SHADOW_OUT, NULL, widget, "bar", cell_area->x + x_offset + cell->xpad, cell_area->y + y_offset + cell->ypad, width * custom_list->progress, height - 1); } |