static gboolean create_textbox_event (Sheet *sheet, GdkEvent *event)
{
switch (event->type) {
case GDK_3BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
return TRUE;
case GDK_BUTTON_PRESS:
if (event->button.button == 4 || event->button.button == 5)
return FALSE;
if (event->button.button == 1) {
if (sheet->state == SHEET_STATE_TEXTBOX_WAIT)
sheet->state = SHEET_STATE_TEXTBOX_START;
return TRUE;
} else
return FALSE;
case GDK_BUTTON_RELEASE:
if (event->button.button == 4 || event->button.button == 5)
return FALSE;
if (sheet->state == SHEET_STATE_TEXTBOX_START) {
Textbox *textbox;
Coords pos;
sheet->state = SHEET_STATE_NONE;
sheet_get_pointer (sheet, &pos.x, &pos.y);
textbox = textbox_new (NULL);
textbox_set_text (textbox, _ ("Label"));
item_data_set_pos (ITEM_DATA (textbox), &pos);
schematic_add_item (schematic_view_get_schematic_from_sheet (sheet),
ITEM_DATA (textbox));
schematic_view_reset_tool (schematic_view_get_schematicview_from_sheet (sheet));
g_signal_handlers_disconnect_by_func (G_OBJECT (sheet),
G_CALLBACK (create_textbox_event), sheet);
}
return TRUE;
default:
return FALSE;
}
return TRUE;
}
int
sheet_event_callback (GtkWidget *widget, GdkEvent *event, Sheet *sheet)
{
switch (event->type) {
case GDK_3BUTTON_PRESS:
// We don't not care about triple clicks on the sheet.
return FALSE;
case GDK_2BUTTON_PRESS:
// The sheet does not care about double clicks, but invoke the
// canvas event handler and see if an item picks up the event.
if ((*GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
->button_press_event) (widget, (GdkEventButton *)event))
return TRUE;
else
return FALSE;
case GDK_BUTTON_PRESS:
// If we are in the middle of something else, don't interfere
// with that.
if (sheet->state != SHEET_STATE_NONE) {
return FALSE;
}
if ((* GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
->button_press_event) (widget, (GdkEventButton *) event)) {
return TRUE;
}
if (event->button.button == 3) {
run_context_menu (
schematic_view_get_schematicview_from_sheet (sheet),
(GdkEventButton *) event);
return TRUE;
}
if (event->button.button == 1) {
if (!(event->button.state & GDK_SHIFT_MASK))
sheet_select_all (sheet, FALSE);
rubberband_start (sheet, event);
return TRUE;
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 4 || event->button.button == 5)
return TRUE;
if (event->button.button == 1 && sheet->priv->rubberband_info->state == RUBBERBAND_ACTIVE) {
rubberband_finish (sheet, event);
return TRUE;
}
if (GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)->button_release_event != NULL) {
return GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
->button_release_event (widget, (GdkEventButton *) event);
}
break;
case GDK_SCROLL:
if (((GdkEventScroll *)event)->direction == GDK_SCROLL_UP) {
double zoom;
sheet_get_zoom (sheet, &zoom);
if (zoom < ZOOM_MAX)
sheet_change_zoom (sheet, 1.1);
}
else if (((GdkEventScroll *)event)->direction == GDK_SCROLL_DOWN) {
double zoom;
sheet_get_zoom (sheet, &zoom);
if (zoom > ZOOM_MIN)
sheet_change_zoom (sheet, 0.9);
}
break;
case GDK_MOTION_NOTIFY:
if (sheet->priv->rubberband_info->state == RUBBERBAND_ACTIVE) {
rubberband_update (sheet, event);
return TRUE;
}
if (GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
->motion_notify_event != NULL) {
return GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
->motion_notify_event (widget, (GdkEventMotion *) event);
}
case GDK_ENTER_NOTIFY:
GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
->enter_notify_event (widget, (GdkEventCrossing *) event);
case GDK_KEY_PRESS:
switch (event->key.keyval) {
case GDK_KEY_R:
case GDK_KEY_r:
if (sheet->state == SHEET_STATE_NONE)
sheet_rotate_selection (sheet);
break;
case GDK_KEY_Home:
case GDK_KEY_End:
break;
case GDK_KEY_Left:
if (event->key.state & GDK_MOD1_MASK)
sheet_scroll_pixel (sheet, -20, 0);
break;
case GDK_KEY_Up:
if (event->key.state & GDK_MOD1_MASK)
sheet_scroll_pixel (sheet, 0, -20);
break;
case GDK_KEY_Right:
if (event->key.state & GDK_MOD1_MASK)
sheet_scroll_pixel (sheet, 20, 0);
break;
case GDK_KEY_Down:
if (event->key.state & GDK_MOD1_MASK)
sheet_scroll_pixel (sheet, 0, 20);
break;
case GDK_KEY_Page_Up:
if (event->key.state & GDK_MOD1_MASK)
sheet_scroll_pixel (sheet, 0, -120);
break;
case GDK_KEY_Page_Down:
if (event->key.state & GDK_MOD1_MASK)
sheet_scroll_pixel (sheet, 0, 120);
break;
case GDK_KEY_Escape:
g_signal_emit_by_name (G_OBJECT (sheet), "cancel");
break;
case GDK_KEY_Delete:
sheet_delete_selection (sheet);
break;
default:
return FALSE;
}
default:
return FALSE;
}
return TRUE;
}
