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author | nobody <nobody@localhost> | 2000-08-22 20:05:30 +0800 |
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committer | nobody <nobody@localhost> | 2000-08-22 20:05:30 +0800 |
commit | 4feb5a35394873211173950dd8a93f34fa510f95 (patch) | |
tree | 3b4824784cd30983db4a6ae1f38db287d5815941 /widgets/e-paned/e-vpaned.c | |
parent | 44ae37c371e25fe05e8aee145f1d9af7130a201d (diff) | |
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This commit was manufactured by cvs2svn to create tag 'EOG_0_5'.EOG_0_5
svn path=/tags/EOG_0_5/; revision=4929
Diffstat (limited to 'widgets/e-paned/e-vpaned.c')
-rw-r--r-- | widgets/e-paned/e-vpaned.c | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/widgets/e-paned/e-vpaned.c b/widgets/e-paned/e-vpaned.c deleted file mode 100644 index 705a36f331..0000000000 --- a/widgets/e-paned/e-vpaned.c +++ /dev/null @@ -1,438 +0,0 @@ -/* EPaned - A slightly more advanced paned widget. - * Copyright (C) 2000 Helix Code, Inc. - * - * Author: Christopher James Lahey <clahey@helixcode.com> - * - * based on GtkPaned from Gtk+. Gtk+ Copyright notice follows. - */ - -/* GTK - The GIMP Toolkit - * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* - * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS - * file for a list of people on the GTK+ Team. See the ChangeLog - * files for a list of changes. These files are distributed with - * GTK+ at ftp://ftp.gtk.org/pub/gtk/. - */ - -#include "e-vpaned.h" - -static void e_vpaned_class_init (EVPanedClass *klass); -static void e_vpaned_init (EVPaned *vpaned); -static void e_vpaned_size_request (GtkWidget *widget, - GtkRequisition *requisition); -static void e_vpaned_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void e_vpaned_draw (GtkWidget *widget, - GdkRectangle *area); -static void e_vpaned_xor_line (EPaned *paned); -static gboolean e_vpaned_button_press (GtkWidget *widget, - GdkEventButton *event); -static gboolean e_vpaned_button_release (GtkWidget *widget, - GdkEventButton *event); -static gboolean e_vpaned_motion (GtkWidget *widget, - GdkEventMotion *event); -static gboolean e_vpaned_handle_shown (EPaned *paned); - -GtkType -e_vpaned_get_type (void) -{ - static GtkType vpaned_type = 0; - - if (!vpaned_type) - { - static const GtkTypeInfo vpaned_info = - { - "EVPaned", - sizeof (EVPaned), - sizeof (EVPanedClass), - (GtkClassInitFunc) e_vpaned_class_init, - (GtkObjectInitFunc) e_vpaned_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - vpaned_type = gtk_type_unique (E_TYPE_PANED, &vpaned_info); - } - - return vpaned_type; -} - -static void -e_vpaned_class_init (EVPanedClass *klass) -{ - GtkWidgetClass *widget_class; - EPanedClass *paned_class; - - widget_class = (GtkWidgetClass *) klass; - paned_class = E_PANED_CLASS (klass); - - widget_class->size_request = e_vpaned_size_request; - widget_class->size_allocate = e_vpaned_size_allocate; - widget_class->draw = e_vpaned_draw; - widget_class->button_press_event = e_vpaned_button_press; - widget_class->button_release_event = e_vpaned_button_release; - widget_class->motion_notify_event = e_vpaned_motion; - - paned_class->handle_shown = e_vpaned_handle_shown; -} - -static void -e_vpaned_init (EVPaned *vpaned) -{ - EPaned *paned; - - g_return_if_fail (vpaned != NULL); - g_return_if_fail (E_IS_PANED (vpaned)); - - paned = E_PANED (vpaned); - - paned->cursor_type = GDK_SB_V_DOUBLE_ARROW; -} - -GtkWidget * -e_vpaned_new (void) -{ - EVPaned *vpaned; - - vpaned = gtk_type_new (E_TYPE_VPANED); - - return GTK_WIDGET (vpaned); -} - -static void -e_vpaned_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - EPaned *paned; - GtkRequisition child_requisition; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_VPANED (widget)); - g_return_if_fail (requisition != NULL); - - paned = E_PANED (widget); - requisition->width = 0; - requisition->height = 0; - - if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1)) - { - gtk_widget_size_request (paned->child1, &child_requisition); - - requisition->height = child_requisition.height; - requisition->width = child_requisition.width; - } - - if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) - { - gtk_widget_size_request (paned->child2, &child_requisition); - - requisition->width = MAX (requisition->width, child_requisition.width); - requisition->height += child_requisition.height; - } - - requisition->height += GTK_CONTAINER (paned)->border_width * 2; - requisition->width += GTK_CONTAINER (paned)->border_width * 2; - if (e_paned_handle_shown(paned)) - requisition->height += paned->handle_size; -} - -static void -e_vpaned_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - EPaned *paned; - GtkRequisition child1_requisition; - GtkRequisition child2_requisition; - GtkAllocation child1_allocation; - GtkAllocation child2_allocation; - gint border_width; - gboolean handle_shown; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_VPANED (widget)); - g_return_if_fail (allocation != NULL); - - widget->allocation = *allocation; - paned = E_PANED (widget); - border_width = GTK_CONTAINER (widget)->border_width; - - if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1)) - gtk_widget_get_child_requisition (paned->child1, &child1_requisition); - else - child1_requisition.height = 0; - - if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) - gtk_widget_get_child_requisition (paned->child2, &child2_requisition); - else - child2_requisition.height = 0; - - e_paned_compute_position (paned, - MAX (1, (gint) widget->allocation.height - - 2 * border_width), - child1_requisition.height, - child2_requisition.height); - - /* Move the handle before the children so we don't get extra expose events */ - - if (GTK_WIDGET_REALIZED (widget)) - gdk_window_move_resize (widget->window, - allocation->x, allocation->y, - allocation->width, - allocation->height); - - handle_shown = e_paned_handle_shown(paned); - if (handle_shown) - { - paned->handle_xpos = border_width; - paned->handle_ypos = paned->child1_real_size + border_width; - paned->handle_width = MAX (1, (gint) widget->allocation.width - 2 * border_width); - paned->handle_height = paned->handle_size; - - if (GTK_WIDGET_REALIZED (widget)) - { - gdk_window_move_resize (paned->handle, - paned->handle_xpos, - paned->handle_ypos, - paned->handle_width, - paned->handle_size); - if (paned->handle) - gdk_window_show(paned->handle); - } - } - else - { - if (paned->handle && GTK_WIDGET_REALIZED (widget)) - gdk_window_hide(paned->handle); - } - - child1_allocation.width = child2_allocation.width = MAX (1, (gint) allocation->width - border_width * 2); - child1_allocation.height = paned->child1_real_size; - child1_allocation.x = child2_allocation.x = border_width; - child1_allocation.y = border_width; - - if (handle_shown) - child2_allocation.y = child1_allocation.y + child1_allocation.height + paned->handle_height; - else - child2_allocation.y = child1_allocation.y + child1_allocation.height; - child2_allocation.height = MAX(1, (gint) allocation->height - child2_allocation.y - border_width); - - /* Now allocate the childen, making sure, when resizing not to - * overlap the windows */ - if (GTK_WIDGET_MAPPED (widget) && - paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) && - paned->child1->allocation.height < child1_allocation.height) - { - if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) - gtk_widget_size_allocate(paned->child2, &child2_allocation); - gtk_widget_size_allocate(paned->child1, &child1_allocation); - } - else - { - if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1)) - gtk_widget_size_allocate(paned->child1, &child1_allocation); - if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) - gtk_widget_size_allocate(paned->child2, &child2_allocation); - } -} - -static void -e_vpaned_draw (GtkWidget *widget, - GdkRectangle *area) -{ - EPaned *paned; - GdkRectangle handle_area, child_area; - guint16 border_width; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_PANED (widget)); - - if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget)) - { - paned = E_PANED (widget); - border_width = GTK_CONTAINER (paned)->border_width; - - gdk_window_clear_area (widget->window, - area->x, area->y, area->width, - area->height); - - if (e_paned_handle_shown(paned)) - { - handle_area.x = paned->handle_xpos; - handle_area.y = paned->handle_ypos; - handle_area.width = paned->handle_width; - handle_area.height = paned->handle_size; - - if (gdk_rectangle_intersect (&handle_area, area, &child_area)) - { - child_area.x -= paned->handle_xpos; - child_area.y -= paned->handle_ypos; - - gtk_paint_handle (widget->style, - paned->handle, - GTK_STATE_NORMAL, - GTK_SHADOW_NONE, - &child_area, - widget, - "paned", - 0, 0, -1, -1, - GTK_ORIENTATION_HORIZONTAL); - - } - } - /* Redraw the children - */ - if (paned->child1 && gtk_widget_intersect (paned->child1, area, &child_area)) - gtk_widget_draw (paned->child1, &child_area); - if (paned->child2 && gtk_widget_intersect (paned->child2, area, &child_area)) - gtk_widget_draw (paned->child2, &child_area); - } -} - -static void -e_vpaned_xor_line (EPaned *paned) -{ - GtkWidget *widget; - GdkGCValues values; - guint16 ypos; - - widget = GTK_WIDGET (paned); - - if (!paned->xor_gc) - { - values.function = GDK_INVERT; - values.subwindow_mode = GDK_INCLUDE_INFERIORS; - paned->xor_gc = gdk_gc_new_with_values (widget->window, - &values, - GDK_GC_FUNCTION | GDK_GC_SUBWINDOW); - } - - gdk_gc_set_line_attributes (paned->xor_gc, 2, GDK_LINE_SOLID, - GDK_CAP_NOT_LAST, GDK_JOIN_BEVEL); - - ypos = paned->child1_real_size - + GTK_CONTAINER (paned)->border_width + paned->handle_size / 2; - - gdk_draw_line (widget->window, paned->xor_gc, - 0, - ypos, - widget->allocation.width - 1, - ypos); -} - -static gboolean -e_vpaned_button_press (GtkWidget *widget, - GdkEventButton *event) -{ - EPaned *paned; - - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (E_IS_PANED (widget), FALSE); - - paned = E_PANED (widget); - - if (!paned->in_drag && - (event->window == paned->handle) && (event->button == 1)) - { - paned->old_child1_size = paned->child1_size; - paned->in_drag = TRUE; - /* We need a server grab here, not gtk_grab_add(), since - * we don't want to pass events on to the widget's children */ - gdk_pointer_grab (paned->handle, FALSE, - GDK_POINTER_MOTION_HINT_MASK - | GDK_BUTTON1_MOTION_MASK - | GDK_BUTTON_RELEASE_MASK, NULL, NULL, - event->time); - paned->child1_size = e_paned_quantized_size(paned, paned->child1_size + event->y - paned->handle_size / 2); - paned->child1_size = CLAMP (paned->child1_size, 0, - widget->allocation.height - - paned->handle_size - - 2 * GTK_CONTAINER (paned)->border_width); - paned->child1_real_size = paned->child1_size; - e_vpaned_xor_line(paned); - - return TRUE; - } - - return FALSE; -} - -static gboolean -e_vpaned_button_release (GtkWidget *widget, - GdkEventButton *event) -{ - EPaned *paned; - - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (E_IS_PANED (widget), FALSE); - - paned = E_PANED (widget); - - if (paned->in_drag && (event->button == 1)) - { - e_vpaned_xor_line (paned); - paned->in_drag = FALSE; - paned->position_set = TRUE; - gdk_pointer_ungrab (event->time); - gtk_widget_queue_resize (GTK_WIDGET (paned)); - - return TRUE; - } - - return FALSE; -} - -static gboolean -e_vpaned_motion (GtkWidget *widget, - GdkEventMotion *event) -{ - EPaned *paned; - gint y; - - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (E_IS_PANED (widget), FALSE); - - if (event->is_hint || event->window != widget->window) - gtk_widget_get_pointer (widget, NULL, &y); - else - y = event->y; - - paned = E_PANED (widget); - - if (paned->in_drag) - { - gint size = y - GTK_CONTAINER(paned)->border_width - paned->handle_size / 2; - - e_vpaned_xor_line (paned); - paned->child1_size = CLAMP (e_paned_quantized_size(paned, size), paned->min_position, paned->max_position); - paned->child1_real_size = paned->child1_size; - e_vpaned_xor_line(paned); - } - - return TRUE; -} - -static gboolean -e_vpaned_handle_shown (EPaned *paned) -{ - return ((paned->child1 && paned->child2) && - (GTK_WIDGET_VISIBLE (paned->child1) && GTK_WIDGET_VISIBLE (paned->child2))); -} |