#include "eggintl.h"
#include "eggmarshalers.h"
-
#define MINIMUM_ICON_ITEM_WIDTH 100
#define ICON_TEXT_PADDING 3
gpointer user_data;
GDestroyNotify destroy_notify;
+ gint row, col;
+
/* Bounding boxes */
gint x, y;
gint width, height;
gint scroll_value_diff;
gint event_last_x, event_last_y;
+ EggIconListItem *anchor_item;
EggIconListItem *cursor_item;
+
+ guint ctrl_pressed : 1;
+ guint shift_pressed : 1;
char *typeahead_string;
static void egg_icon_list_real_unselect_all (EggIconList *icon_list);
static void egg_icon_list_real_select_cursor_item (EggIconList *icon_list);
static void egg_icon_list_real_toggle_cursor_item (EggIconList *icon_list);
+static void egg_icon_list_select_all_between (EggIconList *icon_list,
+ EggIconListItem *anchor,
+ EggIconListItem *cursor,
+ gboolean emit);
/* Internal functions */
static void egg_icon_list_adjustment_changed (GtkAdjustment *adjustment,
GdkEventMotion *event);
static gboolean egg_icon_list_unselect_all_internal (EggIconList *icon_list,
gboolean emit);
-static void egg_icon_list_calculate_item_size (EggIconList *icon_list, EggIconListItem *item);
+static void egg_icon_list_calculate_item_size (EggIconList *icon_list,
+ EggIconListItem *item);
static void rubberbanding (gpointer data);
-
-
static void egg_icon_list_item_invalidate_size (EggIconListItem *item);
+static void egg_icon_list_add_move_binding (GtkBindingSet *binding_set,
+ guint keyval,
+ guint modmask,
+ GtkMovementStep step,
+ gint count);
+static gboolean egg_icon_list_real_move_cursor (EggIconList *icon_list,
+ GtkMovementStep step,
+ gint count);
+static void egg_icon_list_move_cursor_up_down (EggIconList *icon_list,
+ gint count);
+static void egg_icon_list_move_cursor_page_up_down (EggIconList *icon_list,
+ gint count);
+static void egg_icon_list_move_cursor_left_right (EggIconList *icon_list,
+ gint count);
+static void egg_icon_list_move_cursor_start_end (EggIconList *icon_list,
+ gint count);
+static void egg_icon_list_scroll_to_item (EggIconList *icon_list,
+ EggIconListItem *item);
static GtkContainerClass *parent_class = NULL;
static guint icon_list_signals[LAST_SIGNAL] = { 0 };
klass->unselect_all = egg_icon_list_real_unselect_all;
klass->select_cursor_item = egg_icon_list_real_select_cursor_item;
klass->toggle_cursor_item = egg_icon_list_real_toggle_cursor_item;
+ klass->move_cursor = egg_icon_list_real_move_cursor;
/* Properties */
g_object_class_install_property (gobject_class,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
+ icon_list_signals[MOVE_CURSOR] =
+ g_signal_new ("move_cursor",
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EggIconListClass, move_cursor),
+ NULL, NULL,
+ _egg_marshal_BOOLEAN__ENUM_INT,
+ G_TYPE_BOOLEAN, 2,
+ GTK_TYPE_MOVEMENT_STEP,
+ G_TYPE_INT);
+
/* Key bindings */
gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK, "select_all", 0);
gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "unselect_all", 0);
gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select_cursor_item", 0);
gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_cursor_item", 0);
-}
+ egg_icon_list_add_move_binding (binding_set, GDK_Up, 0,
+ GTK_MOVEMENT_DISPLAY_LINES, -1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Up, 0,
+ GTK_MOVEMENT_DISPLAY_LINES, -1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_Down, 0,
+ GTK_MOVEMENT_DISPLAY_LINES, 1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Down, 0,
+ GTK_MOVEMENT_DISPLAY_LINES, 1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_p, GDK_CONTROL_MASK,
+ GTK_MOVEMENT_DISPLAY_LINES, -1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_n, GDK_CONTROL_MASK,
+ GTK_MOVEMENT_DISPLAY_LINES, 1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_Home, 0,
+ GTK_MOVEMENT_BUFFER_ENDS, -1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Home, 0,
+ GTK_MOVEMENT_BUFFER_ENDS, -1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_End, 0,
+ GTK_MOVEMENT_BUFFER_ENDS, 1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_End, 0,
+ GTK_MOVEMENT_BUFFER_ENDS, 1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_Page_Up, 0,
+ GTK_MOVEMENT_PAGES, -1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Page_Up, 0,
+ GTK_MOVEMENT_PAGES, -1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_Page_Down, 0,
+ GTK_MOVEMENT_PAGES, 1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Page_Down, 0,
+ GTK_MOVEMENT_PAGES, 1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_Right, 0,
+ GTK_MOVEMENT_VISUAL_POSITIONS, 1);
+ egg_icon_list_add_move_binding (binding_set, GDK_Left, 0,
+ GTK_MOVEMENT_VISUAL_POSITIONS, -1);
+
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Right, 0,
+ GTK_MOVEMENT_VISUAL_POSITIONS, 1);
+ egg_icon_list_add_move_binding (binding_set, GDK_KP_Left, 0,
+ GTK_MOVEMENT_VISUAL_POSITIONS, -1);
+}
static void
egg_icon_list_init (EggIconList *icon_list)
item = egg_icon_list_get_item_at_pos (icon_list,
event->x, event->y);
-
+
if (item != NULL)
{
if (icon_list->priv->selection_mode == GTK_SELECTION_MULTIPLE &&
- (event->state & GDK_CONTROL_MASK))
+ (event->state & GDK_SHIFT_MASK))
{
- item->selected = !item->selected;
+ egg_icon_list_unselect_all_internal (icon_list, FALSE);
+
+ egg_icon_list_set_cursor_item (icon_list, item);
+ if (!icon_list->priv->anchor_item)
+ icon_list->priv->anchor_item = item;
+ else
+ egg_icon_list_select_all_between (icon_list,
+ icon_list->priv->anchor_item,
+ item, FALSE);
dirty = TRUE;
}
- else
+ else
{
- if (!item->selected)
+ if (icon_list->priv->selection_mode == GTK_SELECTION_MULTIPLE &&
+ (event->state & GDK_CONTROL_MASK))
{
- egg_icon_list_unselect_all_internal (icon_list, FALSE);
-
- item->selected = TRUE;
+ item->selected = !item->selected;
+ egg_icon_list_queue_draw_item (icon_list, item);
dirty = TRUE;
}
+ else
+ {
+ if (!item->selected)
+ {
+ egg_icon_list_unselect_all_internal (icon_list, FALSE);
+
+ item->selected = TRUE;
+ dirty = TRUE;
+ }
+ }
+ egg_icon_list_set_cursor_item (icon_list, item);
+ icon_list->priv->anchor_item = item;
}
-
- egg_icon_list_set_cursor_item (icon_list, item);
- egg_icon_list_queue_draw_item (icon_list, item);
-
+
/* Save press to possibly begin a drag */
if (icon_list->priv->pressed_button < 0)
{
}
static GList *
-egg_icon_list_layout_single_row (EggIconList *icon_list, GList *first_item, gint *y, gint *maximum_width)
+egg_icon_list_layout_single_row (EggIconList *icon_list, GList *first_item, gint *y, gint *maximum_width, gint row)
{
gint x, current_width, max_height, max_pixbuf_height;
GList *items, *last_item;
gint icon_padding;
gint left_margin, right_margin;
gint maximum_layout_width;
+ gint col;
gboolean rtl = gtk_widget_get_direction (GTK_WIDGET (icon_list)) == GTK_TEXT_DIR_RTL;
x = 0;
+ col = 0;
max_height = 0;
max_pixbuf_height = 0;
items = first_item;
item->y = *y;
item->x = rtl ? GTK_WIDGET (icon_list)->allocation.width - item->width - x : x;
-
if (item->width < MINIMUM_ICON_ITEM_WIDTH) {
if (rtl)
item->x -= (MINIMUM_ICON_ITEM_WIDTH - item->width) / 2;
if (current_width > *maximum_width)
*maximum_width = current_width;
+ item->row = row;
+ item->col = col;
+
+ col++;
items = items->next;
}
item->pixbuf_y = item->y + (max_pixbuf_height - item->pixbuf_height);
item->layout_y = item->pixbuf_y + item->pixbuf_height + ICON_TEXT_PADDING;
-
/* Update the bounding box */
item->y = item->pixbuf_y;
/* We may want to readjust the new y coordinate. */
if (item->y + item->height > *y)
*y = item->y + item->height;
+
+ if (rtl)
+ item->col = col - 1 - item->col;
}
return last_item;
GList *icons;
GtkWidget *widget;
gint top_margin, bottom_margin;
+ gint row;
widget = GTK_WIDGET (icon_list);
icons = icon_list->priv->items;
"bottom_margin", &bottom_margin,
NULL);
y += top_margin;
+ row = 0;
do
{
- icons = egg_icon_list_layout_single_row (icon_list, icons, &y, &maximum_width);
+ icons = egg_icon_list_layout_single_row (icon_list, icons, &y, &maximum_width, row);
+ row++;
}
while (icons != NULL);
return item->icon_list;
}
+
+static void
+egg_icon_list_add_move_binding (GtkBindingSet *binding_set,
+ guint keyval,
+ guint modmask,
+ GtkMovementStep step,
+ gint count)
+{
+
+ gtk_binding_entry_add_signal (binding_set, keyval, modmask,
+ "move_cursor", 2,
+ G_TYPE_ENUM, step,
+ G_TYPE_INT, count);
+
+ gtk_binding_entry_add_signal (binding_set, keyval, GDK_SHIFT_MASK,
+ "move_cursor", 2,
+ G_TYPE_ENUM, step,
+ G_TYPE_INT, count);
+
+ if ((modmask & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
+ return;
+
+ gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
+ "move_cursor", 2,
+ G_TYPE_ENUM, step,
+ G_TYPE_INT, count);
+
+ gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK,
+ "move_cursor", 2,
+ G_TYPE_ENUM, step,
+ G_TYPE_INT, count);
+}
+
+static gboolean
+egg_icon_list_real_move_cursor (EggIconList *icon_list,
+ GtkMovementStep step,
+ gint count)
+{
+ GdkModifierType state;
+
+ g_return_val_if_fail (EGG_ICON_LIST (icon_list), FALSE);
+ g_return_val_if_fail (step == GTK_MOVEMENT_LOGICAL_POSITIONS ||
+ step == GTK_MOVEMENT_VISUAL_POSITIONS ||
+ step == GTK_MOVEMENT_DISPLAY_LINES ||
+ step == GTK_MOVEMENT_PAGES ||
+ step == GTK_MOVEMENT_BUFFER_ENDS, FALSE);
+
+ if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET (icon_list)))
+ return FALSE;
+
+ gtk_widget_grab_focus (GTK_WIDGET (icon_list));
+
+ if (gtk_get_current_event_state (&state))
+ {
+ if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
+ icon_list->priv->ctrl_pressed = TRUE;
+ if ((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
+ icon_list->priv->shift_pressed = TRUE;
+ }
+ /* else we assume not pressed */
+
+ switch (step)
+ {
+ case GTK_MOVEMENT_LOGICAL_POSITIONS:
+ case GTK_MOVEMENT_VISUAL_POSITIONS:
+ egg_icon_list_move_cursor_left_right (icon_list, count);
+ break;
+ case GTK_MOVEMENT_DISPLAY_LINES:
+ egg_icon_list_move_cursor_up_down (icon_list, count);
+ break;
+ case GTK_MOVEMENT_PAGES:
+ egg_icon_list_move_cursor_page_up_down (icon_list, count);
+ break;
+ case GTK_MOVEMENT_BUFFER_ENDS:
+ egg_icon_list_move_cursor_start_end (icon_list, count);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ icon_list->priv->ctrl_pressed = FALSE;
+ icon_list->priv->shift_pressed = FALSE;
+
+ return TRUE;
+}
+
+static EggIconListItem *
+find_item (EggIconList *icon_list,
+ EggIconListItem *current,
+ gint row_ofs,
+ gint col_ofs)
+{
+ gint row, col;
+ GList *items;
+ EggIconListItem *item;
+
+ /* FIXME: this could be more efficient
+ */
+ row = current->row + row_ofs;
+ col = current->col + col_ofs;
+
+ for (items = icon_list->priv->items; items; items = items->next)
+ {
+ item = items->data;
+ if (item->row == row && item->col == col)
+ return item;
+ }
+
+ return NULL;
+}
+
+
+static EggIconListItem *
+find_item_page_up_down (EggIconList *icon_list,
+ EggIconListItem *current,
+ gint count)
+{
+ GList *item, *next;
+ gint y, col;
+
+ col = current->col;
+ y = current->y + count * icon_list->priv->vadjustment->page_size;
+
+ item = g_list_find (icon_list->priv->items, current);
+ if (count > 0)
+ {
+ while (item)
+ {
+ for (next = item->next; next; next = next->next)
+ {
+ if (((EggIconListItem *)next->data)->col == col)
+ break;
+ }
+ if (!next || ((EggIconListItem *)next->data)->y > y)
+ break;
+
+ item = next;
+ }
+ }
+ else
+ {
+ while (item)
+ {
+ for (next = item->prev; next; next = next->prev)
+ {
+ if (((EggIconListItem *)next->data)->col == col)
+ break;
+ }
+ if (!next || ((EggIconListItem *)next->data)->y < y)
+ break;
+
+ item = next;
+ }
+ }
+
+ if (item)
+ return item->data;
+
+ return NULL;
+}
+
+static void
+egg_icon_list_select_all_between (EggIconList *icon_list,
+ EggIconListItem *anchor,
+ EggIconListItem *cursor,
+ gboolean emit)
+{
+ GList *items;
+ EggIconListItem *item;
+ gint row1, row2, col1, col2;
+
+ if (anchor->row < cursor->row)
+ {
+ row1 = anchor->row;
+ row2 = cursor->row;
+ }
+ else
+ {
+ row1 = cursor->row;
+ row2 = anchor->row;
+ }
+
+ if (anchor->col < cursor->col)
+ {
+ col1 = anchor->col;
+ col2 = cursor->col;
+ }
+ else
+ {
+ col1 = cursor->col;
+ col2 = anchor->col;
+ }
+
+ for (items = icon_list->priv->items; items; items = items->next)
+ {
+ item = items->data;
+
+ if (row1 <= item->row && item->row <= row2 &&
+ col1 <= item->col && item->col <= col2)
+ {
+ item->selected = TRUE;
+
+ egg_icon_list_queue_draw_item (icon_list, item);
+ }
+ }
+
+ if (emit)
+ g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0);
+}
+
+static void
+egg_icon_list_move_cursor_up_down (EggIconList *icon_list,
+ gint count)
+{
+ EggIconListItem *item;
+
+ if (!GTK_WIDGET_HAS_FOCUS (icon_list))
+ return;
+
+ if (!icon_list->priv->cursor_item)
+ {
+ GList *list;
+
+ if (count > 0)
+ list = icon_list->priv->items;
+ else
+ list = g_list_last (icon_list->priv->items);
+
+ item = list->data;
+ }
+ else
+ item = find_item (icon_list,
+ icon_list->priv->cursor_item,
+ count, 0);
+
+ if (!item)
+ return;
+
+ if (!icon_list->priv->shift_pressed ||
+ !icon_list->priv->anchor_item ||
+ icon_list->priv->selection_mode != GTK_SELECTION_MULTIPLE)
+ icon_list->priv->anchor_item = item;
+
+ icon_list->priv->cursor_item = item;
+ egg_icon_list_unselect_all (icon_list);
+ egg_icon_list_select_all_between (icon_list,
+ icon_list->priv->anchor_item,
+ item, TRUE);
+ egg_icon_list_scroll_to_item (icon_list, item);
+}
+
+static void
+egg_icon_list_move_cursor_page_up_down (EggIconList *icon_list,
+ gint count)
+{
+ EggIconListItem *item;
+
+ if (!GTK_WIDGET_HAS_FOCUS (icon_list))
+ return;
+
+ if (!icon_list->priv->cursor_item)
+ {
+ GList *list;
+
+ if (count > 0)
+ list = icon_list->priv->items;
+ else
+ list = g_list_last (icon_list->priv->items);
+
+ item = list->data;
+ }
+ else
+ item = find_item_page_up_down (icon_list,
+ icon_list->priv->cursor_item,
+ count);
+
+ if (!item)
+ return;
+
+ if (!icon_list->priv->shift_pressed ||
+ !icon_list->priv->anchor_item ||
+ icon_list->priv->selection_mode != GTK_SELECTION_MULTIPLE)
+ icon_list->priv->anchor_item = item;
+
+ icon_list->priv->cursor_item = item;
+ egg_icon_list_unselect_all (icon_list);
+ egg_icon_list_select_all_between (icon_list,
+ icon_list->priv->anchor_item,
+ item, TRUE);
+ egg_icon_list_scroll_to_item (icon_list, item);
+}
+
+static void
+egg_icon_list_move_cursor_left_right (EggIconList *icon_list,
+ gint count)
+{
+ EggIconListItem *item;
+
+ if (!GTK_WIDGET_HAS_FOCUS (icon_list))
+ return;
+
+ if (!icon_list->priv->cursor_item)
+ {
+ GList *list;
+
+ if (count > 0)
+ list = icon_list->priv->items;
+ else
+ list = g_list_last (icon_list->priv->items);
+
+ item = list->data;
+ }
+ else
+ item = find_item (icon_list,
+ icon_list->priv->cursor_item,
+ 0, count);
+
+ if (!item)
+ return;
+
+ if (!icon_list->priv->shift_pressed ||
+ !icon_list->priv->anchor_item ||
+ icon_list->priv->selection_mode != GTK_SELECTION_MULTIPLE)
+ icon_list->priv->anchor_item = item;
+
+ icon_list->priv->cursor_item = item;
+ egg_icon_list_unselect_all (icon_list);
+ egg_icon_list_select_all_between (icon_list,
+ icon_list->priv->anchor_item,
+ item, TRUE);
+ egg_icon_list_scroll_to_item (icon_list, item);
+}
+
+static void
+egg_icon_list_move_cursor_start_end (EggIconList *icon_list,
+ gint count)
+{
+ EggIconListItem *item;
+ GList *list;
+
+ if (!GTK_WIDGET_HAS_FOCUS (icon_list))
+ return;
+
+ if (count < 0)
+ list = icon_list->priv->items;
+ else
+ list = g_list_last (icon_list->priv->items);
+
+ item = list->data;
+
+ if (!item)
+ return;
+
+ if (!icon_list->priv->shift_pressed ||
+ !icon_list->priv->anchor_item ||
+ icon_list->priv->selection_mode != GTK_SELECTION_MULTIPLE)
+ icon_list->priv->anchor_item = item;
+
+ icon_list->priv->cursor_item = item;
+ egg_icon_list_unselect_all (icon_list);
+ egg_icon_list_select_all_between (icon_list,
+ icon_list->priv->anchor_item,
+ item, TRUE);
+ egg_icon_list_scroll_to_item (icon_list, item);
+}
+
+static void
+egg_icon_list_scroll_to_item (EggIconList *icon_list,
+ EggIconListItem *item)
+{
+ gint y, height;
+ gdouble value;
+
+ gdk_window_get_geometry (icon_list->priv->bin_window, NULL, &y, NULL, &height, NULL);
+
+ if (y + item->y < 0)
+ {
+ value = icon_list->priv->vadjustment->value + y + item->y;
+ gtk_adjustment_set_value (icon_list->priv->vadjustment, value);
+ }
+ else if (y + item->y + item->height > GTK_WIDGET (icon_list)->allocation.height)
+ {
+ value = icon_list->priv->vadjustment->value + y + item->y + item->height
+ - GTK_WIDGET (icon_list)->allocation.height;
+ gtk_adjustment_set_value (icon_list->priv->vadjustment, value);
+ }
+}
projects / ~andy / gtk / commitdiff