#include "view-barcode.h"
#include "xml-label.h"
#include "color.h"
+#include "marshal.h"
#include "debug.h"
+/*========================================================*/
+/* Private macros and constants. */
+/*========================================================*/
+
#define SEL_LINE_COLOR GL_COLOR_A (0, 0, 255, 128)
#define SEL_FILL_COLOR GL_COLOR_A (192, 192, 255, 128)
+/*========================================================*/
+/* Private types. */
+/*========================================================*/
+
+enum {
+ SELECTION_CHANGED,
+ LAST_SIGNAL
+};
+
/*===========================================*/
/* Private globals */
/*===========================================*/
static GtkContainerClass *parent_class;
+static guint signals[LAST_SIGNAL] = {0};
+
/* "CLIPBOARD" selection */
static GdkAtom clipboard_atom = GDK_NONE;
/* Local function prototypes */
/*===========================================*/
-static void gl_view_class_init (glViewClass *class);
-static void gl_view_init (glView *view);
-static void gl_view_finalize (GObject *object);
-
-static void gl_view_construct (glView *view);
-static GtkWidget *gl_view_construct_canvas (glView *view);
-static void gl_view_construct_selection (glView *view);
-
-static gdouble get_apropriate_scale (gdouble w, gdouble h);
-
-static void draw_rect_bg_fg (glView *view);
-static void draw_rounded_rect_bg_fg (glView *view);
-static void draw_round_bg_fg (glView *view);
-static void draw_cd_bg_fg (glView *view);
-
-static int canvas_event (GnomeCanvas *canvas,
- GdkEvent *event,
- glView *view);
-static int canvas_event_arrow_mode (GnomeCanvas *canvas,
- GdkEvent *event,
- glView *view);
-
-static void select_region (glView *view,
- gdouble x1,
- gdouble y1,
- gdouble x2,
- gdouble y2);
-static void select_object (glViewObject *view_object);
-static void unselect_object (glViewObject *view_object);
-static gboolean object_at (glView *view,
- gdouble x, gdouble y);
-static gboolean object_selected (glViewObject *view_object);
-
-static int item_event_arrow_mode (GnomeCanvasItem *item,
- GdkEvent *event,
- glViewObject *view_object);
-
-static GtkWidget *new_selection_menu (glView *view);
-
-static void popup_selection_menu (glView *view,
- glViewObject *view_object,
- GdkEvent *event);
-
-static void move_selected_items (glView *view,
- gdouble dx, gdouble dy);
-static void move_item (GnomeCanvasItem *item,
- gdouble dx, gdouble dy);
-
-static void selection_clear_cb (GtkWidget *widget,
- GdkEventSelection *event,
- gpointer data);
-
-static void selection_get_cb (GtkWidget *widget,
- GtkSelectionData *selection_data,
- guint info,
- guint time,
- gpointer data);
-
-static void selection_received_cb (GtkWidget *widget,
- GtkSelectionData *selection_data,
- guint time,
- gpointer data);
+static void gl_view_class_init (glViewClass *class);
+static void gl_view_init (glView *view);
+static void gl_view_finalize (GObject *object);
+
+static void gl_view_construct (glView *view);
+static GtkWidget *gl_view_construct_canvas (glView *view);
+static void gl_view_construct_selection (glView *view);
+
+static gdouble get_apropriate_scale (gdouble w, gdouble h);
+
+static void draw_rect_bg_fg (glView *view);
+static void draw_rounded_rect_bg_fg (glView *view);
+static void draw_round_bg_fg (glView *view);
+static void draw_cd_bg_fg (glView *view);
+
+static void select_region (glView *view,
+ gdouble x1,
+ gdouble y1,
+ gdouble x2,
+ gdouble y2);
+static void select_object (glViewObject *view_object);
+static void unselect_object (glViewObject *view_object);
+static gboolean object_at (glView *view,
+ gdouble x, gdouble y);
+static gboolean is_object_selected (glViewObject *view_object);
+
+static void move_selection (glView *view,
+ gdouble dx, gdouble dy);
+
+static int canvas_event (GnomeCanvas *canvas,
+ GdkEvent *event,
+ glView *view);
+static int canvas_event_arrow_mode (GnomeCanvas *canvas,
+ GdkEvent *event,
+ glView *view);
+
+static int item_event_arrow_mode (GnomeCanvasItem *item,
+ GdkEvent *event,
+ glViewObject *view_object);
+
+static GtkWidget *new_selection_menu (glView *view);
+
+static void popup_selection_menu (glView *view,
+ glViewObject *view_object,
+ GdkEvent *event);
+
+static void selection_clear_cb (GtkWidget *widget,
+ GdkEventSelection *event,
+ gpointer data);
+
+static void selection_get_cb (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ gpointer data);
+
+static void selection_received_cb (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint time,
+ gpointer data);
\f
/****************************************************************************/
/* Boilerplate Object stuff. */
object_class->finalize = gl_view_finalize;
+ signals[SELECTION_CHANGED] =
+ g_signal_new ("selection_changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (glViewClass, selection_changed),
+ NULL, NULL,
+ gl_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
gl_debug (DEBUG_VIEW, "END");
}
select_object (view_object);
+ g_signal_emit (G_OBJECT(view), signals[SELECTION_CHANGED], 0);
+
gl_debug (DEBUG_VIEW, "END");
}
void
gl_view_select_all (glView *view)
{
- GList *p;
+ GList *p, *p_next;
gl_debug (DEBUG_VIEW, "START");
g_return_if_fail (GL_IS_VIEW (view));
- gl_view_unselect_all (view);
+ /* 1st unselect anything already selected. */
+ for (p = view->selected_object_list; p != NULL; p = p_next) {
+ p_next = p->next;
+ unselect_object (GL_VIEW_OBJECT (p->data));
+ }
+ /* Finally select all objects. */
for (p = view->object_list; p != NULL; p = p->next) {
select_object (GL_VIEW_OBJECT (p->data));
}
+ g_signal_emit (G_OBJECT(view), signals[SELECTION_CHANGED], 0);
+
gl_debug (DEBUG_VIEW, "END");
}
unselect_object (GL_VIEW_OBJECT (p->data));
}
+ g_signal_emit (G_OBJECT(view), signals[SELECTION_CHANGED], 0);
+
gl_debug (DEBUG_VIEW, "END");
}
+/*---------------------------------------------------------------------------*/
+/* PRIVATE. Select all objects within given rectangular region. */
+/*---------------------------------------------------------------------------*/
+static void
+select_region (glView *view,
+ gdouble x1,
+ gdouble y1,
+ gdouble x2,
+ gdouble y2)
+{
+ GList *p;
+ glViewObject *view_object;
+ glLabelObject *object;
+ gdouble i_x1, i_y1, i_x2, i_y2, w, h;
+
+ gl_debug (DEBUG_VIEW, "START");
+
+ g_return_if_fail (GL_IS_VIEW (view));
+ g_return_if_fail ((x1 <= x2) && (y1 <= y2));
+
+ for (p = view->object_list; p != NULL; p = p->next) {
+ view_object = GL_VIEW_OBJECT(p->data);
+ if (!is_object_selected (view_object)) {
+
+ object = gl_view_object_get_object (view_object);
+
+ gl_label_object_get_position (object, &i_x1, &i_y1);
+ gl_label_object_get_size (object, &w, &h);
+ i_x2 = i_x1 + w;
+ i_y2 = i_y1 + h;
+ if ((i_x1 >= x1) && (i_x2 <= x2) && (i_y1 >= y1)
+ && (i_y2 <= y2)) {
+ select_object (view_object);
+ }
+
+ }
+ }
+
+ g_signal_emit (G_OBJECT(view), signals[SELECTION_CHANGED], 0);
+
+ gl_debug (DEBUG_VIEW, "END");
+}
+
+/*---------------------------------------------------------------------------*/
+/* PRIVATE. Select an object. */
+/*---------------------------------------------------------------------------*/
+static void
+select_object (glViewObject *view_object)
+{
+ glView *view;
+
+ gl_debug (DEBUG_VIEW, "START");
+
+ g_return_if_fail (GL_IS_VIEW_OBJECT (view_object));
+
+ view = gl_view_object_get_view (view_object);
+
+ if (!is_object_selected (view_object)) {
+ view->selected_object_list =
+ g_list_prepend (view->selected_object_list, view_object);
+ }
+ gl_view_object_show_highlight (view_object);
+ gtk_widget_grab_focus (GTK_WIDGET (view->canvas));
+
+ gl_debug (DEBUG_VIEW, "END");
+}
+
+/*---------------------------------------------------------------------------*/
+/* PRIVATE. Un-select object. */
+/*---------------------------------------------------------------------------*/
+static void
+unselect_object (glViewObject *view_object)
+{
+ glView *view;
+
+ gl_debug (DEBUG_VIEW, "START");
+
+ g_return_if_fail (GL_IS_VIEW_OBJECT (view_object));
+
+ view = gl_view_object_get_view (view_object);
+
+ gl_view_object_hide_highlight (view_object);
+
+ view->selected_object_list =
+ g_list_remove (view->selected_object_list, view_object);
+
+ gl_debug (DEBUG_VIEW, "END");
+}
+
+/*---------------------------------------------------------------------------*/
+/* PRIVATE. Return object at (x,y). */
+/*---------------------------------------------------------------------------*/
+static gboolean
+object_at (glView *view,
+ gdouble x,
+ gdouble y)
+{
+ GnomeCanvasItem *item, *p_item;
+ GList *p;
+
+ gl_debug (DEBUG_VIEW, "");
+
+ g_return_val_if_fail (GL_IS_VIEW (view), FALSE);
+
+ item = gnome_canvas_get_item_at (GNOME_CANVAS (view->canvas), x, y);
+
+ /* No item is at x, y */
+ if (item == NULL)
+ return FALSE;
+
+ /* ignore our background items */
+ if (g_list_find (view->bg_item_list, item) != NULL)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*---------------------------------------------------------------------------*/
+/* PRIVATE. Is the object in our current selection? */
+/*---------------------------------------------------------------------------*/
+static gboolean
+is_object_selected (glViewObject *view_object)
+{
+ glView *view;
+
+ gl_debug (DEBUG_VIEW, "");
+
+ g_return_val_if_fail (GL_IS_VIEW_OBJECT (view_object), FALSE);
+
+ view = gl_view_object_get_view (view_object);
+ if (g_list_find (view->selected_object_list, view_object) == NULL) {
+ return FALSE;
+ }
+ return TRUE;
+}
+
/*****************************************************************************/
/* Is our current selection empty? */
/*****************************************************************************/
g_object_unref (G_OBJECT (p->data));
}
+ g_signal_emit (G_OBJECT(view), signals[SELECTION_CHANGED], 0);
+
gl_debug (DEBUG_VIEW, "END");
}
gl_debug (DEBUG_VIEW, "END");
}
+/*---------------------------------------------------------------------------*/
+/* PRIVATE. move selected objects */
+/*---------------------------------------------------------------------------*/
+static void
+move_selection (glView *view,
+ gdouble dx,
+ gdouble dy)
+{
+ GList *p;
+ glLabelObject *object;
+
+ gl_debug (DEBUG_VIEW, "START");
+
+ g_return_if_fail (GL_IS_VIEW (view));
+
+ for (p = view->selected_object_list; p != NULL; p = p->next) {
+
+ object = gl_view_object_get_object(GL_VIEW_OBJECT (p->data));
+ gl_label_object_set_position_relative (object, dx, dy);
+
+ }
+
+ gl_debug (DEBUG_VIEW, "END");
+}
+
/*****************************************************************************/
/* Zoom in one "notch" */
/*****************************************************************************/
switch (event->key.keyval) {
case GDK_Left:
case GDK_KP_Left:
- move_selected_items (view,
- -1.0 / (view->scale),
- 0.0);
+ move_selection (view,
+ -1.0 / (view->scale), 0.0);
break;
case GDK_Up:
case GDK_KP_Up:
- move_selected_items (view, 0.0,
- -1.0 / (view->scale));
+ move_selection (view,
+ 0.0, -1.0 / (view->scale));
break;
case GDK_Right:
case GDK_KP_Right:
- move_selected_items (view,
- 1.0 / (view->scale),
- 0.0);
+ move_selection (view,
+ 1.0 / (view->scale), 0.0);
break;
case GDK_Down:
case GDK_KP_Down:
- move_selected_items (view, 0.0,
- 1.0 / (view->scale));
+ move_selection (view,
+ 0.0, 1.0 / (view->scale));
break;
case GDK_Delete:
case GDK_KP_Delete:
}
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Select all objects within given rectangular region. */
-/*---------------------------------------------------------------------------*/
-static void
-select_region (glView *view,
- gdouble x1,
- gdouble y1,
- gdouble x2,
- gdouble y2)
-{
- GList *p;
- glViewObject *view_object;
- glLabelObject *object;
- gdouble i_x1, i_y1, i_x2, i_y2, w, h;
-
- gl_debug (DEBUG_VIEW, "START");
-
- g_return_if_fail (GL_IS_VIEW (view));
- g_return_if_fail ((x1 <= x2) && (y1 <= y2));
-
- for (p = view->object_list; p != NULL; p = p->next) {
- view_object = GL_VIEW_OBJECT(p->data);
- if (!object_selected (view_object)) {
-
- object = gl_view_object_get_object (view_object);
-
- gl_label_object_get_position (object, &i_x1, &i_y1);
- gl_label_object_get_size (object, &w, &h);
- i_x2 = i_x1 + w;
- i_y2 = i_y1 + h;
- if ((i_x1 >= x1) && (i_x2 <= x2) && (i_y1 >= y1)
- && (i_y2 <= y2)) {
- select_object (view_object);
- }
-
- }
- }
-
- gl_debug (DEBUG_VIEW, "END");
-}
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Select an object. */
-/*---------------------------------------------------------------------------*/
-static void
-select_object (glViewObject *view_object)
-{
- glView *view;
-
- gl_debug (DEBUG_VIEW, "START");
-
- g_return_if_fail (GL_IS_VIEW_OBJECT (view_object));
-
- view = gl_view_object_get_view (view_object);
-
- if (!object_selected (view_object)) {
- view->selected_object_list =
- g_list_prepend (view->selected_object_list, view_object);
- }
- gl_view_object_show_highlight (view_object);
- gtk_widget_grab_focus (GTK_WIDGET (view->canvas));
-
- gl_debug (DEBUG_VIEW, "END");
-}
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Un-select object. */
-/*---------------------------------------------------------------------------*/
-static void
-unselect_object (glViewObject *view_object)
-{
- glView *view;
-
- gl_debug (DEBUG_VIEW, "START");
-
- g_return_if_fail (GL_IS_VIEW_OBJECT (view_object));
-
- view = gl_view_object_get_view (view_object);
-
- gl_view_object_hide_highlight (view_object);
-
- view->selected_object_list =
- g_list_remove (view->selected_object_list, view_object);
-
- gl_debug (DEBUG_VIEW, "END");
-}
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Return object at (x,y). */
-/*---------------------------------------------------------------------------*/
-static gboolean
-object_at (glView *view,
- gdouble x,
- gdouble y)
-{
- GnomeCanvasItem *item, *p_item;
- GList *p;
-
- gl_debug (DEBUG_VIEW, "");
-
- g_return_val_if_fail (GL_IS_VIEW (view), FALSE);
-
- item = gnome_canvas_get_item_at (GNOME_CANVAS (view->canvas), x, y);
-
- /* No item is at x, y */
- if (item == NULL)
- return FALSE;
-
- /* ignore our background items */
- if (g_list_find (view->bg_item_list, item) != NULL)
- return FALSE;
-
- return TRUE;
-}
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Is the object in our current selection? */
-/*---------------------------------------------------------------------------*/
-static gboolean
-object_selected (glViewObject *view_object)
-{
- glView *view;
-
- gl_debug (DEBUG_VIEW, "");
-
- g_return_val_if_fail (GL_IS_VIEW_OBJECT (view_object), FALSE);
-
- view = gl_view_object_get_view (view_object);
- if (g_list_find (view->selected_object_list, view_object) == NULL) {
- return FALSE;
- }
- return TRUE;
-}
-
/*****************************************************************************/
/* Item event handler. */
/*****************************************************************************/
switch (event->button.button) {
case 1:
if (control_key_pressed) {
- if (object_selected (view_object)) {
+ if (is_object_selected (view_object)) {
/* Un-selecting a selected item */
unselect_object (view_object);
+ g_signal_emit (G_OBJECT(view),
+ signals[SELECTION_CHANGED],
+ 0);
return TRUE;
} else {
/* Add to current selection */
select_object (view_object);
+ g_signal_emit (G_OBJECT(view),
+ signals[SELECTION_CHANGED],
+ 0);
}
} else {
- if (!object_selected (view_object)) {
+ if (!is_object_selected (view_object)) {
/* No control, key so remove any selections before adding */
gl_view_unselect_all (view);
/* Add to current selection */
select_object (view_object);
+ g_signal_emit (G_OBJECT(view),
+ signals[SELECTION_CHANGED],
+ 0);
}
}
/* Go into dragging mode while button remains pressed. */
return TRUE;
case 3:
- if (!object_selected (view_object)) {
+ if (!is_object_selected (view_object)) {
if (!control_key_pressed) {
/* No control, key so remove any selections before adding */
gl_view_unselect_all (view);
}
/* Add to current selection */
select_object (view_object);
+ g_signal_emit (G_OBJECT(view),
+ signals[SELECTION_CHANGED],
+ 0);
/* bring up apropriate menu for selection. */
popup_selection_menu (view, view_object, event);
return TRUE;
/* Dragging mode, move selection */
new_x = item_x;
new_y = item_y;
- move_selected_items (view, (new_x - x), (new_y - y));
+ move_selection (view, (new_x - x), (new_y - y));
x = new_x;
y = new_y;
return TRUE;
gnome_canvas_item_ungrab (item, event->button.time);
dragging = FALSE;
select_object (view_object);
+ g_signal_emit (G_OBJECT(view),
+ signals[SELECTION_CHANGED],
+ 0);
gl_view_object_show_dialog (view_object);
return TRUE;
gl_debug (DEBUG_VIEW, "END");
}
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. move selected items */
-/*---------------------------------------------------------------------------*/
-static void
-move_selected_items (glView *view,
- gdouble dx,
- gdouble dy)
-{
- GList *p;
- glLabelObject *object;
-
- gl_debug (DEBUG_VIEW, "START");
-
- g_return_if_fail (GL_IS_VIEW (view));
-
- for (p = view->selected_object_list; p != NULL; p = p->next) {
-
- object = gl_view_object_get_object(GL_VIEW_OBJECT (p->data));
- gl_label_object_set_position_relative (object, dx, dy);
-
- }
-
- gl_debug (DEBUG_VIEW, "END");
-}
-
/*---------------------------------------------------------------------------*/
/* PRIVATE. Handle "selection-clear" signal. */
/*---------------------------------------------------------------------------*/
projects / glabels / blobdiff