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This commit is contained in:
Paul Reilly
parent
1a63b3de36
commit
d398028fdd
308
lwlib/xlwmenu.c
308
lwlib/xlwmenu.c
@ -19,9 +19,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Created by devin@lucid.com */
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/types.h>
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@ -31,12 +28,14 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <X11/cursorfont.h>
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#include <X11/bitmaps/gray>
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#include "xlwmenuP.h"
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#include <string.h>
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static int pointer_grabbed;
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static XEvent menu_post_event;
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static char
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xlwMenuTranslations [] =
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"<BtnDown>: start()\n\
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<BtnMotion>: drag()\n\
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<Motion>: drag()\n\
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<BtnUp>: select()\n\
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";
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@ -59,7 +58,7 @@ xlwMenuResources[] =
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{XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
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offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10},
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{XmNshadowThickness, XmCShadowThickness, XmRHorizontalDimension,
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{XmNshadowThickness, XmCShadowThickness, XtRDimension,
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sizeof (Dimension), offset (menu.shadow_thickness),
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XtRImmediate, (XtPointer) 2},
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{XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel),
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@ -149,9 +148,15 @@ XlwMenuClassRec xlwMenuClassRec =
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WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec;
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int submenu_destroyed;
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static int next_release_must_exit;
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/* Utilities */
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static void
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push_new_stack (XlwMenuWidget mw, widget_value* val)
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push_new_stack (mw, val)
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XlwMenuWidget mw;
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widget_value* val;
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{
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if (!mw->menu.new_stack)
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{
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@ -171,7 +176,8 @@ push_new_stack (XlwMenuWidget mw, widget_value* val)
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}
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static void
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pop_new_stack_if_no_contents (XlwMenuWidget mw)
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pop_new_stack_if_no_contents (mw)
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XlwMenuWidget mw;
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{
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if (mw->menu.new_depth)
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{
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@ -181,7 +187,9 @@ pop_new_stack_if_no_contents (XlwMenuWidget mw)
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}
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static void
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make_old_stack_space (XlwMenuWidget mw, int n)
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make_old_stack_space (mw, n)
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XlwMenuWidget mw;
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int n;
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{
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if (!mw->menu.old_stack)
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{
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@ -201,15 +209,18 @@ make_old_stack_space (XlwMenuWidget mw, int n)
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/* Size code */
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static Boolean
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all_dashes_p (char* s)
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all_dashes_p (s)
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char *s;
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{
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char* p;
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for (p = s; *p == '-'; p++);
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return !*p;
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}
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static int
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string_width (XlwMenuWidget mw, char* s)
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int
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string_width (mw, s)
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XlwMenuWidget mw;
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char *s;
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{
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XCharStruct xcs;
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int drop;
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@ -219,7 +230,8 @@ string_width (XlwMenuWidget mw, char* s)
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}
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static int
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arrow_width (XlwMenuWidget mw)
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arrow_width (mw)
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XlwMenuWidget mw;
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{
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return mw->menu.font->ascent / 2 | 1;
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}
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@ -232,7 +244,9 @@ nameResource[] =
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};
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static char*
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resource_widget_value (XlwMenuWidget mw, widget_value* val)
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resource_widget_value (mw, val)
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XlwMenuWidget mw;
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widget_value *val;
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{
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if (!val->toolkit_data)
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{
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@ -268,8 +282,13 @@ resource_widget_value (XlwMenuWidget mw, widget_value* val)
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/* Returns the sizes of an item */
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static void
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size_menu_item (XlwMenuWidget mw, widget_value* val, int horizontal_p,
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int* label_width, int* rest_width, int* height)
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size_menu_item (mw, val, horizontal_p, label_width, rest_width, height)
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XlwMenuWidget mw;
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widget_value* val;
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int horizontal_p;
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int* label_width;
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int* rest_width;
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int* height;
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{
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if (all_dashes_p (val->name))
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{
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@ -300,7 +319,9 @@ size_menu_item (XlwMenuWidget mw, widget_value* val, int horizontal_p,
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}
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static void
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size_menu (XlwMenuWidget mw, int level)
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size_menu (mw, level)
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XlwMenuWidget mw;
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int level;
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{
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int label_width = 0;
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int rest_width = 0;
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@ -350,7 +371,13 @@ size_menu (XlwMenuWidget mw, int level)
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/* Display code */
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static void
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draw_arrow (XlwMenuWidget mw, Window window, GC gc, int x, int y, int width)
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draw_arrow (mw, window, gc, x, y, width)
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XlwMenuWidget mw;
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Window window;
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GC gc;
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int x;
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int y;
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int width;
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{
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XPoint points [3];
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points [0].x = x;
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@ -365,8 +392,14 @@ draw_arrow (XlwMenuWidget mw, Window window, GC gc, int x, int y, int width)
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}
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static void
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draw_shadow_rectangle (XlwMenuWidget mw, Window window,
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int x, int y, int width, int height, int erase_p)
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draw_shadow_rectangle (mw, window, x, y, width, height, erase_p)
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XlwMenuWidget mw;
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Window window;
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int x;
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int y;
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int width;
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int height;
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int erase_p;
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{
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Display *dpy = XtDisplay (mw);
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GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc;
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@ -416,9 +449,14 @@ draw_shadow_rectangle (XlwMenuWidget mw, Window window,
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** the menu item was.
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*/
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static void
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display_menu_item (XlwMenuWidget mw, widget_value* val, window_state* ws,
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XPoint* where, Boolean highlighted_p, Boolean horizontal_p,
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Boolean just_compute_p)
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display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, just_compute_p)
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XlwMenuWidget mw;
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widget_value* val;
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window_state* ws;
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XPoint* where;
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Boolean highlighted_p;
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Boolean horizontal_p;
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Boolean just_compute_p;
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{
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GC deco_gc;
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GC text_gc;
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@ -490,7 +528,9 @@ display_menu_item (XlwMenuWidget mw, widget_value* val, window_state* ws,
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{
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int a_w = arrow_width (mw);
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draw_arrow (mw, ws->window, deco_gc,
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x + label_width + mw->menu.arrow_spacing,
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x + width - arrow_width (mw)
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- mw->menu.horizontal_spacing
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- mw->menu.shadow_thickness,
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y + v_spacing + shadow, a_w);
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}
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else if (val->key)
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@ -509,10 +549,22 @@ display_menu_item (XlwMenuWidget mw, widget_value* val, window_state* ws,
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x + shadow, y + shadow,
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label_width + h_spacing - 1,
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font_ascent + font_descent + 2 * v_spacing - 1);
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draw_shadow_rectangle (mw, ws->window, x, y, width, height,
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False);
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#else
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highlighted_p = True;
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#endif
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}
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else
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{
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XDrawRectangle (XtDisplay (mw), ws->window,
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mw->menu.background_gc,
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x + shadow, y + shadow,
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label_width + h_spacing - 1,
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font_ascent + font_descent + 2 * v_spacing - 1);
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draw_shadow_rectangle (mw, ws->window, x, y, width, height,
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True);
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}
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if (highlighted_p)
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draw_shadow_rectangle (mw, ws->window, x, y, width, height, False);
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@ -524,9 +576,16 @@ display_menu_item (XlwMenuWidget mw, widget_value* val, window_state* ws,
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}
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static void
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display_menu (XlwMenuWidget mw, int level, Boolean just_compute_p,
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XPoint* highlighted_pos, XPoint* hit, widget_value** hit_return,
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widget_value* this, widget_value* that)
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display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return,
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this, that)
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XlwMenuWidget mw;
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int level;
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Boolean just_compute_p;
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XPoint* highlighted_pos;
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XPoint* hit;
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widget_value** hit_return;
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widget_value* this;
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widget_value* that;
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{
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widget_value* val;
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widget_value* following_item;
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@ -594,7 +653,10 @@ display_menu (XlwMenuWidget mw, int level, Boolean just_compute_p,
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/* Motion code */
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static void
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set_new_state (XlwMenuWidget mw, widget_value* val, int level)
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set_new_state (mw, val, level)
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XlwMenuWidget mw;
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widget_value* val;
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int level;
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{
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int i;
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@ -605,7 +667,9 @@ set_new_state (XlwMenuWidget mw, widget_value* val, int level)
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}
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static void
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make_windows_if_needed (XlwMenuWidget mw, int n)
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make_windows_if_needed (mw, n)
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XlwMenuWidget mw;
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int n;
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{
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int i;
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int start_at;
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@ -622,7 +686,7 @@ make_windows_if_needed (XlwMenuWidget mw, int n)
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xswa.background_pixel = mw->core.background_pixel;
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xswa.border_pixel = mw->core.border_pixel;
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xswa.event_mask =
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ExposureMask | ButtonMotionMask | PointerMotionHintMask
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ExposureMask | PointerMotionMask | PointerMotionHintMask
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| ButtonReleaseMask | ButtonPressMask;
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xswa.cursor = mw->menu.cursor_shape;
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mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel
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@ -659,8 +723,11 @@ make_windows_if_needed (XlwMenuWidget mw, int n)
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/* Make the window fit in the screen */
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static void
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fit_to_screen (XlwMenuWidget mw, window_state* ws, window_state* previous_ws,
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Boolean horizontal_p)
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fit_to_screen (mw, ws, previous_ws, horizontal_p)
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XlwMenuWidget mw;
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window_state* ws;
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window_state* previous_ws;
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Boolean horizontal_p;
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{
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int screen_width = WidthOfScreen (XtScreen (mw));
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int screen_height = HeightOfScreen (XtScreen (mw));
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@ -687,7 +754,8 @@ fit_to_screen (XlwMenuWidget mw, window_state* ws, window_state* previous_ws,
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/* Updates old_stack from new_stack and redisplays. */
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static void
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remap_menubar (XlwMenuWidget mw)
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remap_menubar (mw)
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XlwMenuWidget mw;
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{
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int i;
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int last_same;
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@ -764,8 +832,11 @@ remap_menubar (XlwMenuWidget mw)
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}
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static Boolean
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motion_event_is_in_menu (XlwMenuWidget mw, XMotionEvent* ev, int level,
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XPoint* relative_pos)
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motion_event_is_in_menu (mw, ev, level, relative_pos)
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XlwMenuWidget mw;
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XMotionEvent* ev;
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int level;
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XPoint* relative_pos;
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{
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window_state* ws = &mw->menu.windows [level];
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int x = level == 0 ? ws->x : ws->x + mw->menu.shadow_thickness;
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@ -777,8 +848,11 @@ motion_event_is_in_menu (XlwMenuWidget mw, XMotionEvent* ev, int level,
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}
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static Boolean
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map_event_to_widget_value (XlwMenuWidget mw, XMotionEvent* ev,
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widget_value** val, int* level)
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map_event_to_widget_value (mw, ev, val, level)
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XlwMenuWidget mw;
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XMotionEvent* ev;
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widget_value** val;
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int* level;
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{
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int i;
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XPoint relative_pos;
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@ -806,7 +880,8 @@ map_event_to_widget_value (XlwMenuWidget mw, XMotionEvent* ev,
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/* Procedures */
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static void
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make_drawing_gcs (XlwMenuWidget mw)
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make_drawing_gcs (mw)
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XlwMenuWidget mw;
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{
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XGCValues xgcv;
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@ -851,7 +926,8 @@ make_drawing_gcs (XlwMenuWidget mw)
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}
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static void
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release_drawing_gcs (XlwMenuWidget mw)
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release_drawing_gcs (mw)
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XlwMenuWidget mw;
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{
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XtReleaseGC ((Widget) mw, mw->menu.foreground_gc);
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XtReleaseGC ((Widget) mw, mw->menu.button_gc);
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@ -870,7 +946,8 @@ release_drawing_gcs (XlwMenuWidget mw)
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? ((unsigned long) (x)) : ((unsigned long) (y)))
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static void
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make_shadow_gcs (XlwMenuWidget mw)
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make_shadow_gcs (mw)
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XlwMenuWidget mw;
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{
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XGCValues xgcv;
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unsigned long pm = 0;
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@ -960,15 +1037,19 @@ make_shadow_gcs (XlwMenuWidget mw)
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static void
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release_shadow_gcs (XlwMenuWidget mw)
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release_shadow_gcs (mw)
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XlwMenuWidget mw;
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{
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XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc);
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XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc);
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}
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static void
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XlwMenuInitialize (Widget request, Widget new, ArgList args,
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Cardinal *num_args)
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XlwMenuInitialize (request, new, args, num_args)
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Widget request;
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Widget new;
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ArgList args;
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Cardinal *num_args;
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{
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/* Get the GCs and the widget size */
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XlwMenuWidget mw = (XlwMenuWidget)new;
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@ -979,6 +1060,15 @@ XlwMenuInitialize (Widget request, Widget new, ArgList args,
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Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw)));
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Display* display = XtDisplay (mw);
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#if 0
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widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value));
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/* _XtCreate is freeing the object that was passed to us,
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so make a copy that we will actually keep. */
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lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value));
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mw->menu.contents = tem;
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#endif
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/* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */
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mw->menu.cursor = mw->menu.cursor_shape;
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@ -1023,7 +1113,10 @@ XlwMenuClassInitialize ()
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}
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static void
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XlwMenuRealize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
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XlwMenuRealize (w, valueMask, attributes)
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Widget w;
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Mask *valueMask;
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XSetWindowAttributes *attributes;
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{
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XlwMenuWidget mw = (XlwMenuWidget)w;
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XSetWindowAttributes xswa;
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@ -1048,21 +1141,39 @@ XlwMenuRealize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
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receives expose events through Xt. So we repaint all the other panes
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when receiving an Expose event. */
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static void
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XlwMenuRedisplay (Widget w, XEvent* ev, Region region)
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XlwMenuRedisplay (w, ev, region)
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Widget w;
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XEvent* ev;
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Region region;
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{
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XlwMenuWidget mw = (XlwMenuWidget)w;
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int i;
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/* If we have a depth beyond 1, it's because a submenu was displayed.
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If the submenu has been destroyed, set the depth back to 1. */
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if (submenu_destroyed)
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{
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mw->menu.old_depth = 1;
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submenu_destroyed = 0;
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}
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for (i = 0; i < mw->menu.old_depth; i++)
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display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL);
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}
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static void
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XlwMenuDestroy (Widget w)
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XlwMenuDestroy (w)
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Widget w;
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{
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int i;
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XlwMenuWidget mw = (XlwMenuWidget) w;
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if (pointer_grabbed)
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XtUngrabPointer ((Widget)w, CurrentTime);
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pointer_grabbed = 0;
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submenu_destroyed = 1;
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release_drawing_gcs (mw);
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release_shadow_gcs (mw);
|
||||
|
||||
@ -1071,6 +1182,12 @@ XlwMenuDestroy (Widget w)
|
||||
XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap);
|
||||
mw->menu.gray_pixmap = (Pixmap) -1;
|
||||
|
||||
#if 0
|
||||
/* Do free mw->menu.contents because nowadays we copy it
|
||||
during initialization. */
|
||||
XtFree (mw->menu.contents);
|
||||
#endif
|
||||
|
||||
/* Don't free mw->menu.contents because that comes from our creator.
|
||||
The `*_stack' elements are just pointers into `contents' so leave
|
||||
that alone too. But free the stacks themselves. */
|
||||
@ -1096,7 +1213,10 @@ XlwMenuDestroy (Widget w)
|
||||
}
|
||||
|
||||
static Boolean
|
||||
XlwMenuSetValues (Widget current, Widget request, Widget new)
|
||||
XlwMenuSetValues (current, request, new)
|
||||
Widget current;
|
||||
Widget request;
|
||||
Widget new;
|
||||
{
|
||||
XlwMenuWidget oldmw = (XlwMenuWidget)current;
|
||||
XlwMenuWidget newmw = (XlwMenuWidget)new;
|
||||
@ -1109,7 +1229,8 @@ XlwMenuSetValues (Widget current, Widget request, Widget new)
|
||||
redisplay = True;
|
||||
|
||||
if (newmw->core.background_pixel != oldmw->core.background_pixel
|
||||
|| newmw->menu.foreground != oldmw->menu.foreground)
|
||||
|| newmw->menu.foreground != oldmw->menu.foreground
|
||||
|| newmw->menu.font != oldmw->menu.font)
|
||||
{
|
||||
release_drawing_gcs (newmw);
|
||||
make_drawing_gcs (newmw);
|
||||
@ -1130,17 +1251,31 @@ XlwMenuSetValues (Widget current, Widget request, Widget new)
|
||||
}
|
||||
|
||||
static void
|
||||
XlwMenuResize (Widget w)
|
||||
XlwMenuResize (w)
|
||||
Widget w;
|
||||
{
|
||||
XlwMenuWidget mw = (XlwMenuWidget)w;
|
||||
|
||||
mw->menu.windows [0].width = mw->core.width;
|
||||
mw->menu.windows [0].height = mw->core.height;
|
||||
if (mw->menu.popped_up)
|
||||
{
|
||||
/* Don't allow the popup menu to resize itself. */
|
||||
mw->core.width = mw->menu.windows [0].width;
|
||||
mw->core.height = mw->menu.windows [0].height;
|
||||
mw->core.parent->core.width = mw->core.width ;
|
||||
mw->core.parent->core.height = mw->core.height ;
|
||||
}
|
||||
else
|
||||
{
|
||||
mw->menu.windows [0].width = mw->core.width;
|
||||
mw->menu.windows [0].height = mw->core.height;
|
||||
}
|
||||
}
|
||||
|
||||
/* Action procedures */
|
||||
static void
|
||||
handle_single_motion_event (XlwMenuWidget mw, XMotionEvent* ev)
|
||||
handle_single_motion_event (mw, ev)
|
||||
XlwMenuWidget mw;
|
||||
XMotionEvent* ev;
|
||||
{
|
||||
widget_value* val;
|
||||
int level;
|
||||
@ -1151,12 +1286,16 @@ handle_single_motion_event (XlwMenuWidget mw, XMotionEvent* ev)
|
||||
set_new_state (mw, val, level);
|
||||
remap_menubar (mw);
|
||||
|
||||
#if 0
|
||||
/* Sync with the display. Makes it feel better on X terms. */
|
||||
XSync (XtDisplay (mw), False);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
handle_motion_event (XlwMenuWidget mw, XMotionEvent* ev)
|
||||
handle_motion_event (mw, ev)
|
||||
XlwMenuWidget mw;
|
||||
XMotionEvent* ev;
|
||||
{
|
||||
int x = ev->x_root;
|
||||
int y = ev->y_root;
|
||||
@ -1177,10 +1316,25 @@ handle_motion_event (XlwMenuWidget mw, XMotionEvent* ev)
|
||||
}
|
||||
|
||||
static void
|
||||
Start (Widget w, XEvent *ev, String *params, Cardinal *num_params)
|
||||
Start (w, ev, params, num_params)
|
||||
Widget w;
|
||||
XEvent *ev;
|
||||
String *params;
|
||||
Cardinal *num_params;
|
||||
{
|
||||
XlwMenuWidget mw = (XlwMenuWidget)w;
|
||||
|
||||
if (!mw->menu.popped_up)
|
||||
{
|
||||
menu_post_event = *ev;
|
||||
pop_up_menu (mw, ev);
|
||||
}
|
||||
else
|
||||
/* If we push a button while the menu is posted semipermanently,
|
||||
releasing the button should always pop the menu down. */
|
||||
next_release_must_exit = 1;
|
||||
|
||||
#if 0
|
||||
XtCallCallbackList ((Widget)mw, mw->menu.open, NULL);
|
||||
|
||||
/* notes the absolute position of the menubar window */
|
||||
@ -1189,22 +1343,42 @@ Start (Widget w, XEvent *ev, String *params, Cardinal *num_params)
|
||||
|
||||
/* handles the down like a move, slots are compatible */
|
||||
handle_motion_event (mw, &ev->xmotion);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
Drag (Widget w, XEvent *ev, String *params, Cardinal *num_params)
|
||||
Drag (w, ev, params, num_params)
|
||||
Widget w;
|
||||
XEvent *ev;
|
||||
String *params;
|
||||
Cardinal *num_params;
|
||||
{
|
||||
XlwMenuWidget mw = (XlwMenuWidget)w;
|
||||
handle_motion_event (mw, &ev->xmotion);
|
||||
}
|
||||
|
||||
static void
|
||||
Select (Widget w, XEvent *ev, String *params, Cardinal *num_params)
|
||||
Select (w, ev, params, num_params)
|
||||
Widget w;
|
||||
XEvent *ev;
|
||||
String *params;
|
||||
Cardinal *num_params;
|
||||
{
|
||||
XlwMenuWidget mw = (XlwMenuWidget)w;
|
||||
widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
|
||||
|
||||
/* pop down everything */
|
||||
/* If user releases the button quickly, without selecting anything,
|
||||
after the initial down-click that brought the menu up,
|
||||
do nothing. */
|
||||
if ((selected_item == 0
|
||||
|| ((widget_value *) selected_item)->call_data == 0)
|
||||
&& !next_release_must_exit
|
||||
&& (ev->xbutton.time - menu_post_event.xbutton.time
|
||||
< XtGetMultiClickTime (XtDisplay (w))))
|
||||
return;
|
||||
|
||||
/* pop down everything. */
|
||||
mw->menu.new_depth = 1;
|
||||
remap_menubar (mw);
|
||||
|
||||
@ -1223,7 +1397,9 @@ Select (Widget w, XEvent *ev, String *params, Cardinal *num_params)
|
||||
|
||||
/* Special code to pop-up a menu */
|
||||
void
|
||||
pop_up_menu (XlwMenuWidget mw, XButtonPressedEvent* event)
|
||||
pop_up_menu (mw, event)
|
||||
XlwMenuWidget mw;
|
||||
XButtonPressedEvent* event;
|
||||
{
|
||||
int x = event->x_root;
|
||||
int y = event->y_root;
|
||||
@ -1232,6 +1408,8 @@ pop_up_menu (XlwMenuWidget mw, XButtonPressedEvent* event)
|
||||
int borderwidth = mw->menu.shadow_thickness;
|
||||
Screen* screen = XtScreen (mw);
|
||||
|
||||
next_release_must_exit = 0;
|
||||
|
||||
XtCallCallbackList ((Widget)mw, mw->menu.open, NULL);
|
||||
|
||||
size_menu (mw, 0);
|
||||
@ -1255,11 +1433,23 @@ pop_up_menu (XlwMenuWidget mw, XButtonPressedEvent* event)
|
||||
XtParent (mw)->core.border_width);
|
||||
XtPopup (XtParent (mw), XtGrabExclusive);
|
||||
display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL);
|
||||
#ifdef emacs
|
||||
x_catch_errors ();
|
||||
#endif
|
||||
XtGrabPointer ((Widget)mw, False,
|
||||
(ButtonMotionMask | PointerMotionHintMask | ButtonReleaseMask
|
||||
(PointerMotionMask | PointerMotionHintMask | ButtonReleaseMask
|
||||
| ButtonPressMask),
|
||||
GrabModeAsync, GrabModeAsync, None, mw->menu.cursor_shape,
|
||||
event->time);
|
||||
pointer_grabbed = 1;
|
||||
#ifdef emacs
|
||||
if (x_had_errors_p ())
|
||||
{
|
||||
pointer_grabbed = 0;
|
||||
XtUngrabPointer ((Widget)mw, event->time);
|
||||
}
|
||||
x_uncatch_errors ();
|
||||
#endif
|
||||
|
||||
mw->menu.windows [0].x = x + borderwidth;
|
||||
mw->menu.windows [0].y = y + borderwidth;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user