diff options
Diffstat (limited to 'libXaw/src/MenuButton.c')
| -rw-r--r-- | libXaw/src/MenuButton.c | 544 |
1 files changed, 272 insertions, 272 deletions
diff --git a/libXaw/src/MenuButton.c b/libXaw/src/MenuButton.c index 2732a72b3..e1e97ed32 100644 --- a/libXaw/src/MenuButton.c +++ b/libXaw/src/MenuButton.c @@ -1,272 +1,272 @@ -/* -Copyright 1989, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - */ - -/* - * MenuButton.c - Source code for MenuButton widget. - * - * This is the source code for the Athena MenuButton widget. - * It is intended to provide an easy method of activating pulldown menus. - * - * Date: May 2, 1989 - * - * By: Chris D. Peterson - * MIT X Consortium - * kit@expo.lcs.mit.edu - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/SysUtil.h> -#include <X11/Xaw/MenuButtoP.h> -#include <X11/Xaw/XawInit.h> -#include "Private.h" - -/* - * Class Methods - */ -static void XawMenuButtonClassInitialize(void); -static void XawMenuButtonInitialize(Widget, Widget, ArgList, Cardinal*); -static void XawMenuButtonDestroy(Widget); -static Boolean XawMenuButtonSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - -/* - * Actions - */ -static void PopupMenu(Widget, XEvent*, String*, Cardinal*); - -/* - * Initialization - */ -#define superclass ((CommandWidgetClass)&commandClassRec) - -static char defaultTranslations[] = -"<Enter>:" "highlight()\n" -"<Leave>:" "reset()\n" -"Any<BtnDown>:" "reset() PopupMenu()\n"; - -static char default_menu_name[] = "menu"; - -#define offset(field) XtOffsetOf(MenuButtonRec, field) -static XtResource resources[] = { - { - XtNmenuName, - XtCMenuName, - XtRString, - sizeof(String), - offset(menu_button.menu_name), - XtRString, - (XtPointer)default_menu_name - }, -}; -#undef offset - -static XtActionsRec actionsList[] = -{ - {"PopupMenu", PopupMenu}, -}; - -MenuButtonClassRec menuButtonClassRec = { - /* core */ - { - (WidgetClass)superclass, /* superclass */ - "MenuButton", /* class_name */ - sizeof(MenuButtonRec), /* size */ - XawMenuButtonClassInitialize, /* class_initialize */ - NULL, /* class_part_initialize */ - False, /* class_inited */ - XawMenuButtonInitialize, /* initialize */ - NULL, /* initialize_hook */ - XtInheritRealize, /* realize */ - actionsList, /* actions */ - XtNumber(actionsList), /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* num_resources */ - NULLQUARK, /* xrm_class */ - False, /* compress_motion */ - True, /* compress_exposure */ - True, /* compress_enterleave */ - False, /* visible_interest */ - XawMenuButtonDestroy, /* destroy */ - XtInheritResize, /* resize */ - XtInheritExpose, /* expose */ - XawMenuButtonSetValues, /* set_values */ - NULL, /* set_values_hook */ - XtInheritSetValuesAlmost, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - defaultTranslations, /* tm_table */ - XtInheritQueryGeometry, /* query_geometry */ - XtInheritDisplayAccelerator, /* display_accelerator */ - NULL, /* extension */ - }, - /* simple */ - { - XtInheritChangeSensitive /* change_sensitive */ - }, - /* label */ - { - NULL, /* extension */ - }, - /* command */ - { - NULL, /* extension */ - }, - /* menu_button */ - { - NULL, /* extension */ - }, -}; - -WidgetClass menuButtonWidgetClass = (WidgetClass)&menuButtonClassRec; - -/* - * Implementation - */ -static void -XawMenuButtonClassInitialize(void) -{ - XawInitializeWidgetSet(); - XtRegisterGrabAction(PopupMenu, True, - ButtonPressMask | ButtonReleaseMask, - GrabModeAsync, GrabModeAsync); -} - -/*ARGSUSED*/ -static void -XawMenuButtonInitialize(Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MenuButtonWidget mbw = (MenuButtonWidget)cnew; - - if (mbw->menu_button.menu_name != default_menu_name) - mbw->menu_button.menu_name = XtNewString(mbw->menu_button.menu_name); -} - -static void -XawMenuButtonDestroy(Widget w) -{ - MenuButtonWidget mbw = (MenuButtonWidget)w; - - if (mbw->menu_button.menu_name != default_menu_name) - XtFree(mbw->menu_button.menu_name); -} - -/*ARGSUSED*/ -static Boolean -XawMenuButtonSetValues(Widget current, Widget request, Widget cnew, - ArgList args, Cardinal *num_args) -{ - MenuButtonWidget mbw_old = (MenuButtonWidget)current; - MenuButtonWidget mbw_new = (MenuButtonWidget)cnew; - - if (mbw_old->menu_button.menu_name != mbw_new->menu_button.menu_name) { - if (mbw_old->menu_button.menu_name != default_menu_name) - XtFree(mbw_old->menu_button.menu_name); - if (mbw_new->menu_button.menu_name != default_menu_name) - mbw_new->menu_button.menu_name = - XtNewString(mbw_new->menu_button.menu_name); - } - - return (False); -} - -/*ARGSUSED*/ -static void -PopupMenu(Widget w, XEvent *event, String *params, Cardinal *num_params) -{ - MenuButtonWidget mbw = (MenuButtonWidget)w; - Widget menu = NULL, temp; - Arg arglist[2]; - Cardinal num_args; - int menu_x, menu_y, menu_width, menu_height, button_height; - Position button_x, button_y; - - temp = w; - while(temp != NULL) { - menu = XtNameToWidget(temp, mbw->menu_button.menu_name); - if (menu == NULL) - temp = XtParent(temp); - else - break; - } - - if (menu == NULL) { - char error_buf[BUFSIZ]; - - (void)XmuSnprintf(error_buf, sizeof(error_buf), - "MenuButton: Could not find menu widget named %s.", - mbw->menu_button.menu_name); - XtAppWarning(XtWidgetToApplicationContext(w), error_buf); - return; - } - - if (!XtIsRealized(menu)) - XtRealizeWidget(menu); - - menu_width = XtWidth(menu) + (XtBorderWidth(menu) << 1); - button_height = XtHeight(w) + (XtBorderWidth(w) << 1); - menu_height = XtHeight(menu) + (XtBorderWidth(menu) << 1); - - XtTranslateCoords(w, 0, 0, &button_x, &button_y); - menu_x = button_x; - menu_y = button_y + button_height; - - if (menu_y >= 0) { - int scr_height = HeightOfScreen(XtScreen(menu)); - - if (menu_y + menu_height > scr_height) - menu_y = button_y - menu_height; - if (menu_y < 0) { - menu_y = scr_height - menu_height; - menu_x = button_x + XtWidth(w) + (XtBorderWidth(w) << 1); - if (menu_x + menu_width > WidthOfScreen(XtScreen(menu))) - menu_x = button_x - menu_width; - } - } - if (menu_y < 0) - menu_y = 0; - - if (menu_x >= 0) { - int scr_width = WidthOfScreen(XtScreen(menu)); - - if (menu_x + menu_width > scr_width) - menu_x = scr_width - menu_width; - } - if (menu_x < 0) - menu_x = 0; - - num_args = 0; - XtSetArg(arglist[num_args], XtNx, menu_x); num_args++; - XtSetArg(arglist[num_args], XtNy, menu_y); num_args++; - XtSetValues(menu, arglist, num_args); - - XtPopupSpringLoaded(menu); -} +/*
+Copyright 1989, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ */
+
+/*
+ * MenuButton.c - Source code for MenuButton widget.
+ *
+ * This is the source code for the Athena MenuButton widget.
+ * It is intended to provide an easy method of activating pulldown menus.
+ *
+ * Date: May 2, 1989
+ *
+ * By: Chris D. Peterson
+ * MIT X Consortium
+ * kit@expo.lcs.mit.edu
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/SysUtil.h>
+#include <X11/Xaw/MenuButtoP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawMenuButtonClassInitialize(void);
+static void XawMenuButtonInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawMenuButtonDestroy(Widget);
+static Boolean XawMenuButtonSetValues(Widget, Widget, Widget, ArgList, Cardinal*);
+
+/*
+ * Actions
+ */
+static void PopupMenu(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+#define superclass ((CommandWidgetClass)&commandClassRec)
+
+static char defaultTranslations[] =
+"<Enter>:" "highlight()\n"
+"<Leave>:" "reset()\n"
+"Any<BtnDown>:" "reset() PopupMenu()\n";
+
+static char default_menu_name[] = "menu";
+
+#define offset(field) XtOffsetOf(MenuButtonRec, field)
+static XtResource resources[] = {
+ {
+ XtNmenuName,
+ XtCMenuName,
+ XtRString,
+ sizeof(String),
+ offset(menu_button.menu_name),
+ XtRString,
+ (XtPointer)default_menu_name
+ },
+};
+#undef offset
+
+static XtActionsRec actionsList[] =
+{
+ {"PopupMenu", PopupMenu},
+};
+
+MenuButtonClassRec menuButtonClassRec = {
+ /* core */
+ {
+ (WidgetClass)superclass, /* superclass */
+ "MenuButton", /* class_name */
+ sizeof(MenuButtonRec), /* size */
+ XawMenuButtonClassInitialize, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawMenuButtonInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actionsList, /* actions */
+ XtNumber(actionsList), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ False, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawMenuButtonDestroy, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawMenuButtonSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* extension */
+ },
+ /* command */
+ {
+ NULL, /* extension */
+ },
+ /* menu_button */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass menuButtonWidgetClass = (WidgetClass)&menuButtonClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawMenuButtonClassInitialize(void)
+{
+ XawInitializeWidgetSet();
+ XtRegisterGrabAction(PopupMenu, True,
+ ButtonPressMask | ButtonReleaseMask,
+ GrabModeAsync, GrabModeAsync);
+}
+
+/*ARGSUSED*/
+static void
+XawMenuButtonInitialize(Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MenuButtonWidget mbw = (MenuButtonWidget)cnew;
+
+ if (mbw->menu_button.menu_name != default_menu_name)
+ mbw->menu_button.menu_name = XtNewString(mbw->menu_button.menu_name);
+}
+
+static void
+XawMenuButtonDestroy(Widget w)
+{
+ MenuButtonWidget mbw = (MenuButtonWidget)w;
+
+ if (mbw->menu_button.menu_name != default_menu_name)
+ XtFree(mbw->menu_button.menu_name);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawMenuButtonSetValues(Widget current, Widget request, Widget cnew,
+ ArgList args, Cardinal *num_args)
+{
+ MenuButtonWidget mbw_old = (MenuButtonWidget)current;
+ MenuButtonWidget mbw_new = (MenuButtonWidget)cnew;
+
+ if (mbw_old->menu_button.menu_name != mbw_new->menu_button.menu_name) {
+ if (mbw_old->menu_button.menu_name != default_menu_name)
+ XtFree(mbw_old->menu_button.menu_name);
+ if (mbw_new->menu_button.menu_name != default_menu_name)
+ mbw_new->menu_button.menu_name =
+ XtNewString(mbw_new->menu_button.menu_name);
+ }
+
+ return (False);
+}
+
+/*ARGSUSED*/
+static void
+PopupMenu(Widget w, XEvent *event, String *params, Cardinal *num_params)
+{
+ MenuButtonWidget mbw = (MenuButtonWidget)w;
+ Widget menu = NULL, temp;
+ Arg arglist[2];
+ Cardinal num_args;
+ int menu_x, menu_y, menu_width, menu_height, button_height;
+ Position button_x, button_y;
+
+ temp = w;
+ while(temp != NULL) {
+ menu = XtNameToWidget(temp, mbw->menu_button.menu_name);
+ if (menu == NULL)
+ temp = XtParent(temp);
+ else
+ break;
+ }
+
+ if (menu == NULL) {
+ char error_buf[BUFSIZ];
+
+ (void)XmuSnprintf(error_buf, sizeof(error_buf),
+ "MenuButton: Could not find menu widget named %s.",
+ mbw->menu_button.menu_name);
+ XtAppWarning(XtWidgetToApplicationContext(w), error_buf);
+ return;
+ }
+
+ if (!XtIsRealized(menu))
+ XtRealizeWidget(menu);
+
+ menu_width = XtWidth(menu) + (XtBorderWidth(menu) << 1);
+ button_height = XtHeight(w) + (XtBorderWidth(w) << 1);
+ menu_height = XtHeight(menu) + (XtBorderWidth(menu) << 1);
+
+ XtTranslateCoords(w, 0, 0, &button_x, &button_y);
+ menu_x = button_x;
+ menu_y = button_y + button_height;
+
+ if (menu_y >= 0) {
+ int scr_height = HeightOfScreen(XtScreen(menu));
+
+ if (menu_y + menu_height > scr_height)
+ menu_y = button_y - menu_height;
+ if (menu_y < 0) {
+ menu_y = scr_height - menu_height;
+ menu_x = button_x + XtWidth(w) + (XtBorderWidth(w) << 1);
+ if (menu_x + menu_width > WidthOfScreen(XtScreen(menu)))
+ menu_x = button_x - menu_width;
+ }
+ }
+ if (menu_y < 0)
+ menu_y = 0;
+
+ if (menu_x >= 0) {
+ int scr_width = WidthOfScreen(XtScreen(menu));
+
+ if (menu_x + menu_width > scr_width)
+ menu_x = scr_width - menu_width;
+ }
+ if (menu_x < 0)
+ menu_x = 0;
+
+ num_args = 0;
+ XtSetArg(arglist[num_args], XtNx, menu_x); num_args++;
+ XtSetArg(arglist[num_args], XtNy, menu_y); num_args++;
+ XtSetValues(menu, arglist, num_args);
+
+ XtPopupSpringLoaded(menu);
+}
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