Dogcows Code - chaz/tint2/blob - src/tint2conf/theme_view.c

   1
   2 #include "theme_view.h"
   3
   4
   5 enum { PROP_PERCENTAGE = 1, PROP_THEME, PROP_SNAPSHOT, };
   6
   7 static gpointer parent_class = NULL;
   8
   9 static void custom_list_init(CustomList *cellprogress);
  10 static void custom_list_class_init(CustomListClass *klass);
  11 static void custom_list_get_property(GObject *object, guint param_id, GValue *value, GParamSpec *pspec);
  12 static void custom_list_set_property(GObject *object, guint param_id, const GValue *value, GParamSpec *pspec);
  13 static void custom_list_finalize(GObject *gobject);
  14
  15
  16 // These functions are the heart of our custom cell renderer
  17 static void custom_list_get_size(GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height);
  18 static void custom_list_render(GtkCellRenderer *cell, GdkWindow *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags);
  19
  20
  21
  22 // register our type with the GObject type system if we haven't done so yet.
  23 // Everything else is done in the callbacks.
  24 GType custom_list_get_type()
  25 {
  26         static GType type = 0;
  27
  28         if (type)
  29                 return type;
  30
  31         if (1) {
  32                 static const GTypeInfo cell_info =
  33                 {
  34                         sizeof (CustomListClass),
  35                         NULL,
  36                         NULL,
  37                         (GClassInitFunc)custom_list_class_init,
  38                         NULL,
  39                         NULL,
  40                         sizeof (CustomList),
  41                         0,
  42                         (GInstanceInitFunc)custom_list_init,
  43                 };
  44
  45                 // Derive from GtkCellRenderer
  46                 type = g_type_register_static(GTK_TYPE_CELL_RENDERER, "CustomList", &cell_info, 0);
  47         }
  48
  49         return type;
  50 }
  51
  52
  53 // klass initialisation
  54 // - override the parent's functions that we need to implement.
  55 // - declare our property
  56 // - If you want cells that are editable, you need to override 'activate' and 'start_editing'.
  57 static void custom_list_class_init(CustomListClass *klass)
  58 {
  59         GtkCellRendererClass *cell_class   = GTK_CELL_RENDERER_CLASS(klass);
  60         GObjectClass         *object_class = G_OBJECT_CLASS(klass);
  61
  62 printf("custom_list_class_init : deb\n");
  63         parent_class           = g_type_class_peek_parent (klass);
  64
  65         cell_class->render   = custom_list_render;
  66         cell_class->get_size = custom_list_get_size;
  67         object_class->get_property = custom_list_get_property;
  68         object_class->set_property = custom_list_set_property;
  69         object_class->finalize = custom_list_finalize;
  70
  71         // Install our very own properties
  72         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));
  73         g_object_class_install_property(object_class, PROP_THEME, g_param_spec_string("theme", "Theme", "Theme file name", NULL, G_PARAM_READWRITE));
  74         g_object_class_install_property(object_class, PROP_SNAPSHOT, g_param_spec_string("snapshot", "Snapshot", "Snapshot file name", NULL, G_PARAM_READWRITE));
  75 }
  76
  77
  78 // CustomList renderer initialisation
  79 static void custom_list_init(CustomList *custom_list)
  80 {
  81         printf("custom_list_init : deb\n");
  82         // set some default properties of the parent (GtkCellRenderer).
  83         GTK_CELL_RENDERER(custom_list)->mode = GTK_CELL_RENDERER_MODE_INERT;
  84         GTK_CELL_RENDERER(custom_list)->xpad = 2;
  85         GTK_CELL_RENDERER(custom_list)->ypad = 2;
  86 }
  87
  88
  89 static void custom_list_finalize(GObject *object)
  90 {
  91 /*
  92   CustomList *cellrendererprogress = CUSTOM_LIST(object);
  93 */
  94
  95 printf("custom_list_finalize\n");
  96         // Free any dynamically allocated resources here
  97
  98         (* G_OBJECT_CLASS (parent_class)->finalize) (object);
  99 }
 100
 101
 102 static void custom_list_set_property(GObject *object, guint param_id, const GValue *value, GParamSpec *pspec)
 103 {
 104         CustomList *custom_list = CUSTOM_LIST(object);
 105
 106         switch (param_id) {
 107                 case PROP_PERCENTAGE:
 108                         printf("custom_list_set_property : PROP_PERCENTAGE\n");
 109                         custom_list->progress = g_value_get_double(value);
 110                         break;
 111
 112                 case PROP_THEME:
 113                         printf("custom_list_set_property : PROP_THEME\n");
 114                         //if (custom_list->nameTheme) g_free(custom_list->nameTheme);
 115                         custom_list->nameTheme = g_strdup(g_value_get_string(value));
 116                         break;
 117
 118                 case PROP_SNAPSHOT:
 119                         printf("custom_list_set_property : PROP_SNAPSHOT\n");
 120                         custom_list->nameSnapshot = g_strdup(g_value_get_string(value));
 121                         break;
 122
 123                 default:
 124                         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
 125                         break;
 126         }
 127 }
 128
 129
 130 static void custom_list_get_property(GObject *object, guint param_id, GValue *value, GParamSpec *psec)
 131 {
 132         CustomList *custom_list = CUSTOM_LIST(object);
 133
 134         switch (param_id) {
 135                 case PROP_PERCENTAGE:
 136                         printf("custom_list_get_property : PROP_PERCENTAGE\n");
 137                         g_value_set_double(value, custom_list->progress);
 138                         break;
 139
 140                 case PROP_THEME:
 141                         printf("custom_list_get_property : PROP_THEME\n");
 142                         g_value_set_string(value, g_strdup(custom_list->nameTheme));
 143                         break;
 144
 145                 case PROP_SNAPSHOT:
 146                         printf("custom_list_get_property : PROP_SNAPSHOT\n");
 147                         g_value_set_string(value, g_strdup(custom_list->nameSnapshot));
 148                         break;
 149                         //g_value_set_object (value, (GObject *)priv->image);
 150
 151                 default:
 152                         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec);
 153                         break;
 154         }
 155 }
 156
 157
 158 GtkCellRenderer *custom_list_new()
 159 {
 160         return g_object_new(CUSTOM_LIST_TYPE, NULL);
 161 }
 162
 163
 164 /***************************************************************************
 165  *
 166  *  custom_cell_renderer_progress_get_size: crucial - calculate the size
 167  *                                          of our cell, taking into account
 168  *                                          padding and alignment properties
 169  *                                          of parent.
 170  *
 171  ***************************************************************************/
 172
 173 #define FIXED_WIDTH   100
 174 #define FIXED_HEIGHT  20
 175
 176 static void custom_list_get_size(GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height)
 177 {
 178         gint calc_width;
 179         gint calc_height;
 180
 181         calc_width  = (gint) cell->xpad * 2 + FIXED_WIDTH;
 182         calc_height = (gint) cell->ypad * 2 + FIXED_HEIGHT;
 183
 184         if (width)
 185                 *width = calc_width;
 186
 187         if (height)
 188                 *height = calc_height;
 189
 190         if (cell_area) {
 191                 if (x_offset) {
 192                         *x_offset = cell->xalign * (cell_area->width - calc_width);
 193                         *x_offset = MAX (*x_offset, 0);
 194                 }
 195
 196                 if (y_offset) {
 197                         *y_offset = cell->yalign * (cell_area->height - calc_height);
 198                         *y_offset = MAX (*y_offset, 0);
 199                 }
 200         }
 201 }
 202
 203
 204 /***************************************************************************
 205  *
 206  *  custom_cell_renderer_progress_render: crucial - do the rendering.
 207  *
 208  ***************************************************************************/
 209
 210 static void custom_list_render(GtkCellRenderer *cell, GdkWindow *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags)
 211 {
 212         CustomList *custom_list = CUSTOM_LIST(cell);
 213         GtkStateType state;
 214         gint width, height;
 215         gint x_offset, y_offset;
 216
 217         //printf("custom_list_render\n");
 218         custom_list_get_size (cell, widget, cell_area, &x_offset, &y_offset, &width, &height);
 219
 220         if (GTK_WIDGET_HAS_FOCUS (widget))
 221                 state = GTK_STATE_ACTIVE;
 222         else
 223                 state = GTK_STATE_NORMAL;
 224
 225         width  -= cell->xpad*2;
 226         height -= cell->ypad*2;
 227
 228         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);
 229
 230         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);
 231 }
 232
 233
 234