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 e1e97ed32..2732a72b3 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); +} |