int XMenuSetPane(register XMenu *menu, register int p_num, register int active) /* Menu object to be modified. */ /* Pane number to be modified. */ /* Make selection active? */ { register XMPane *p_ptr; /* XMPane pointer. */ /* * Find the right pane. */ p_ptr = _XMGetPanePtr(menu, p_num); if (p_ptr == NULL) return(XM_FAILURE); /* * Set its active switch. */ p_ptr->active = active; if (p_ptr->active == False) p_ptr->activated = False; /* * Return the pane number just set. */ _XMErrorCode = XME_NO_ERROR; return(p_num); }
int XMenuFindSelection(register XMenu *menu, int p_num, register char *label) { register XMPane *p_ptr; register XMSelect *s_ptr; register int i = 0; /* * Check for NULL pointers! */ if (label == NULL) { _XMErrorCode = XME_ARG_BOUNDS; return(XM_FAILURE); } /* * Find the right pane. */ p_ptr = _XMGetPanePtr(menu, p_num); if (p_ptr == NULL) return(XM_FAILURE); /* * Find the right selection. */ for ( s_ptr = p_ptr->s_list->next; s_ptr != p_ptr->s_list; s_ptr = s_ptr->next ){ if (s_ptr->label_length == 0) { if (*label == '\0') { _XMErrorCode = XME_NO_ERROR; return (i); } } else { if (strncmp (label, s_ptr->label, s_ptr->label_length) == 0) { _XMErrorCode = XME_NO_ERROR; return (i); } } i++; } /* * If we get here then we have not found * a match. */ _XMErrorCode = XME_S_NOT_FOUND; return (XM_FAILURE); }
int XMenuChangePane(register XMenu *menu, register int p_num, char *label) /* Menu object to be modified. */ /* Pane number to be modified. */ /* Selection label. */ { register XMPane *p_ptr; /* XMPane pointer. */ int label_length; /* Label length in characters. */ int label_width; /* Label width in pixels. */ /* * Check for NULL pointers! */ if (label == NULL) { _XMErrorCode = XME_ARG_BOUNDS; return(XM_FAILURE); } /* * Find the right pane. */ p_ptr = _XMGetPanePtr(menu, p_num); if (p_ptr == NULL) return(XM_FAILURE); /* * Determine label size. */ label_length = strlen(label); label_width = XTextWidth(menu->p_fnt_info, label, label_length); /* * Change the pane data. */ p_ptr->label = label; p_ptr->label_width = label_width; p_ptr->label_length = label_length; /* * Schedule a recompute. */ menu->recompute = 1; /* * Return the pane number just changed. */ _XMErrorCode = XME_NO_ERROR; return(p_num); }
int XMenuActivate( register Display *display, /* Display to put menu on. */ register XMenu *menu, /* Menu to activate. */ int *p_num, /* Pane number selected. */ int *s_num, /* Selection number selected. */ int x_pos, /* X coordinate of menu position. */ int y_pos, /* Y coordinate of menu position. */ unsigned int event_mask, /* Mouse button event mask. */ char **data, /* Pointer to return data value. */ void (*help_callback) (char const *, int, int)) /* Help callback. */ { int status; /* X routine call status. */ int orig_x; /* Upper left menu origin X coord. */ int orig_y; /* Upper left menu origin Y coord. */ int ret_val; /* Return value. */ register XMPane *p_ptr; /* Current XMPane. */ register XMPane *event_xmp; /* Event XMPane pointer. */ register XMPane *cur_p; /* Current pane. */ register XMSelect *cur_s; /* Current selection. */ XMWindow *event_xmw; /* Event XMWindow pointer. */ XEvent event; /* X input event. */ XEvent peek_event; /* X input peek ahead event. */ Bool selection = False; /* Selection has been made. */ Bool forward = True; /* Moving forward in the pane list. */ Window root, child; int root_x, root_y, win_x, win_y; unsigned int mask; KeySym keysym; /* * Define and allocate a foreign event queue to hold events * that don't belong to XMenu. These events are later restored * to the X event queue. */ typedef struct _xmeventque { XEvent event; struct _xmeventque *next; } XMEventQue; XMEventQue *feq = NULL; /* Foreign event queue. */ XMEventQue *feq_tmp; /* Foreign event queue temporary. */ /* * If there are no panes in the menu then return failure * because the menu is not initialized. */ if (menu->p_count == 0) { _XMErrorCode = XME_NOT_INIT; return(XM_FAILURE); } /* * Find the desired current pane. */ cur_p = _XMGetPanePtr(menu, *p_num); if (cur_p == NULL) { return(XM_FAILURE); } cur_p->activated = cur_p->active; /* * Find the desired current selection. * If the current selection index is out of range a null current selection * will be assumed and the cursor will be placed in the current pane * header. */ cur_s = _XMGetSelectionPtr(cur_p, *s_num); /* * Compute origin of menu so that cursor is in * Correct pane and selection. */ _XMTransToOrigin(display, menu, cur_p, cur_s, x_pos, y_pos, &orig_x, &orig_y); menu->x_pos = orig_x; /* Store X and Y coords of menu. */ menu->y_pos = orig_y; if (XMenuRecompute(display, menu) == XM_FAILURE) { return(XM_FAILURE); } /* * Flush the window creation queue. * This batches all window creates since lazy evaluation * is more efficient than individual evaluation. * This routine also does an XFlush(). */ if (_XMWinQueFlush(display, menu, cur_p, cur_s) == _FAILURE) { return(XM_FAILURE); } /* * Make sure windows are in correct order (in case we were passed * an already created menu in incorrect order.) */ for(p_ptr = menu->p_list->next; p_ptr != cur_p; p_ptr = p_ptr->next) XRaiseWindow(display, p_ptr->window); for(p_ptr = menu->p_list->prev; p_ptr != cur_p->prev; p_ptr = p_ptr->prev) XRaiseWindow(display, p_ptr->window); /* * Make sure all selection windows are mapped. */ for ( p_ptr = menu->p_list->next; p_ptr != menu->p_list; p_ptr = p_ptr->next ){ XMapSubwindows(display, p_ptr->window); } /* * Synchronize the X buffers and the event queue. * From here on, all events in the queue that don't belong to * XMenu are sent back to the application via an application * provided event handler or discarded if the application has * not provided an event handler. */ XSync(display, 0); /* * Grab the mouse for menu input. */ status = XGrabPointer( display, menu->parent, True, event_mask, GrabModeAsync, GrabModeAsync, None, menu->mouse_cursor, CurrentTime ); if (status == Success && x_menu_grab_keyboard) { status = XGrabKeyboard (display, menu->parent, False, GrabModeAsync, GrabModeAsync, CurrentTime); if (status != Success) XUngrabPointer(display, CurrentTime); } if (status == _X_FAILURE) { _XMErrorCode = XME_GRAB_MOUSE; return(XM_FAILURE); } /* * Map the menu panes. */ XMapWindow(display, cur_p->window); for (p_ptr = menu->p_list->next; p_ptr != cur_p; p_ptr = p_ptr->next) XMapWindow(display, p_ptr->window); for (p_ptr = cur_p->next; p_ptr != menu->p_list; p_ptr = p_ptr->next) XMapWindow(display, p_ptr->window); XRaiseWindow(display, cur_p->window); /* Make sure current */ /* pane is on top. */ cur_s = NULL; /* Clear current selection. */ /* * Begin event processing loop. */ while (1) { if (wait_func) (*wait_func) (wait_data); XNextEvent(display, &event); /* Get next event. */ switch (event.type) { /* Dispatch on the event type. */ case Expose: event_xmp = (XMPane *)XLookUpAssoc(display, menu->assoc_tab, event.xexpose.window); if (event_xmp == NULL) { /* * If AEQ mode is enabled then queue the event. */ if (menu->aeq) { feq_tmp = (XMEventQue *)malloc(sizeof(XMEventQue)); if (feq_tmp == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } feq_tmp->event = event; feq_tmp->next = feq; feq = feq_tmp; } else if (_XMEventHandler) (*_XMEventHandler)(&event); break; } if (event_xmp->activated) { XSetWindowBackground(display, event_xmp->window, menu->bkgnd_color); } else { XSetWindowBackgroundPixmap(display, event_xmp->window, menu->inact_pixmap); } _XMRefreshPane(display, menu, event_xmp); break; case EnterNotify: /* * First wait a small period of time, and see * if another EnterNotify event follows hard on the * heels of this one. i.e., the user is simply * "passing through". If so, ignore this one. */ event_xmw = (XMWindow *)XLookUpAssoc(display, menu->assoc_tab, event.xcrossing.window); if (event_xmw == NULL) break; if (event_xmw->type == SELECTION) { /* * We have entered a selection. */ /* if (XPending(display) == 0) usleep(150000); */ if (XPending(display) != 0) { XPeekEvent(display, &peek_event); if(peek_event.type == LeaveNotify) { break; } } cur_s = (XMSelect *)event_xmw; help_callback (cur_s->help_string, cur_p->serial, cur_s->serial); /* * If the pane we are in is active and the * selection entered is active then activate * the selection. */ if (cur_p->active && cur_s->active > 0) { cur_s->activated = 1; _XMRefreshSelection(display, menu, cur_s); } } else { /* * We have entered a pane. */ /* if (XPending(display) == 0) usleep(150000); */ if (XPending(display) != 0) { XPeekEvent(display, &peek_event); if (peek_event.type == EnterNotify) break; } XQueryPointer(display, menu->parent, &root, &child, &root_x, &root_y, &win_x, &win_y, &mask); event_xmp = (XMPane *)XLookUpAssoc(display, menu->assoc_tab, child); if (event_xmp == NULL) break; if (event_xmp == cur_p) break; if (event_xmp->serial > cur_p->serial) forward = True; else forward = False; p_ptr = cur_p; while (p_ptr != event_xmp) { if (forward) p_ptr = p_ptr->next; else p_ptr = p_ptr->prev; XRaiseWindow(display, p_ptr->window); } if (cur_p->activated) { cur_p->activated = False; XSetWindowBackgroundPixmap(display, cur_p->window, menu->inact_pixmap); _XMRefreshPane(display, menu, cur_p); } if (event_xmp->active) event_xmp->activated = True; #if 1 /* * i suspect the we don't get an EXPOSE event when backing * store is enabled; the menu windows content is probably * not drawn in when it should be in that case. * in that case, this is probably an ugly fix! * i hope someone more familiar with this code would * take it from here. -- [email protected]. */ XSetWindowBackground(display, event_xmp->window, menu->bkgnd_color); _XMRefreshPane(display, menu, event_xmp); #endif cur_p = event_xmp; } break; case LeaveNotify: event_xmw = (XMWindow *)XLookUpAssoc( display, menu->assoc_tab, event.xcrossing.window ); if (event_xmw == NULL) break; if(cur_s == NULL) break; /* * If the current selection was activated then * deactivate it. */ if (cur_s->activated) { cur_s->activated = False; _XMRefreshSelection(display, menu, cur_s); } cur_s = NULL; break; case ButtonPress: case ButtonRelease: *p_num = cur_p->serial; /* * Check to see if there is a current selection. */ if (cur_s != NULL) { /* * Set the selection number to the current selection. */ *s_num = cur_s->serial; /* * If the current selection was activated then * we have a valid selection otherwise we have * an inactive selection. */ if (cur_s->activated) { *data = cur_s->data; ret_val = XM_SUCCESS; } else { ret_val = XM_IA_SELECT; } } else { /* * No selection was current. */ ret_val = XM_NO_SELECT; } selection = True; break; case KeyPress: case KeyRelease: keysym = XLookupKeysym (&event.xkey, 0); /* Pop down on C-g and Escape. */ if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) || keysym == XK_Escape) /* Any escape, ignore modifiers. */ { ret_val = XM_NO_SELECT; selection = True; } break; default: /* * If AEQ mode is enabled then queue the event. */ if (menu->aeq) { feq_tmp = (XMEventQue *)malloc(sizeof(XMEventQue)); if (feq_tmp == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } feq_tmp->event = event; feq_tmp->next = feq; feq = feq_tmp; } else if (_XMEventHandler) (*_XMEventHandler)(&event); } /* * If a selection has been made, break out of the event loop. */ if (selection == True) break; } /* * Unmap the menu. */ for ( p_ptr = menu->p_list->next; p_ptr != menu->p_list; p_ptr = p_ptr->next) { XUnmapWindow(display, p_ptr->window); } /* * Ungrab the mouse. */ XUngrabPointer(display, CurrentTime); XUngrabKeyboard(display, CurrentTime); /* * Restore bits under where the menu was if we managed * to save them and free the pixmap. */ /* * If there is a current selection deactivate it. */ if (cur_s != NULL) cur_s->activated = 0; /* * Deactivate the current pane. */ cur_p->activated = 0; XSetWindowBackgroundPixmap(display, cur_p->window, menu->inact_pixmap); /* * Synchronize the X buffers and the X event queue. */ XSync(display, 0); /* * Dispatch any events remaining on the queue. */ while (QLength(display)) { /* * Fetch the next event. */ XNextEvent(display, &event); /* * Discard any events left on the queue that belong to XMenu. * All others are held and then returned to the event queue. */ switch (event.type) { case Expose: case EnterNotify: case LeaveNotify: case ButtonPress: case ButtonRelease: /* * Does this event belong to one of XMenu's windows? * If so, discard it and process the next event. * If not fall through and treat it as a foreign event. */ event_xmp = (XMPane *)XLookUpAssoc( display, menu->assoc_tab, event.xbutton.window ); if (event_xmp != NULL) continue; default: /* * This is a foreign event. * Queue it for later return to the X event queue. */ feq_tmp = (XMEventQue *)malloc(sizeof(XMEventQue)); if (feq_tmp == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } feq_tmp->event = event; feq_tmp->next = feq; feq = feq_tmp; } } /* * Return any foreign events that were queued to the X event queue. */ while (feq != NULL) { feq_tmp = feq; XPutBackEvent(display, &feq_tmp->event); feq = feq_tmp->next; free((char *)feq_tmp); } wait_func = 0; /* * Return successfully. */ _XMErrorCode = XME_NO_ERROR; return(ret_val); }
int XMenuAddSelection(Display *display, register XMenu *menu, register int p_num, char *data, char *label, int active, char *help) /* Menu object to be modified. */ /* Pane number to be modified. */ /* Data value. */ /* Selection label. */ /* Make selection active? */ /* Help string */ { register XMPane *pane; /* Pane containing the new selection. */ register XMSelect *select; /* Newly created selection. */ int label_length; /* Label lenght in characters. */ int label_width; /* Label width in pixels. */ /* * Check for NULL pointers! */ if (label == NULL) { _XMErrorCode = XME_ARG_BOUNDS; return(XM_FAILURE); } /* * Find the right pane. */ pane = _XMGetPanePtr(menu, p_num); if (pane == NULL) return(XM_FAILURE); /* * Calloc the XMSelect structure. */ select = (XMSelect *)calloc(1, sizeof(XMSelect)); if (select == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } /* * Determine label size. */ label_length = strlen(label); label_width = XTextWidth(menu->s_fnt_info, label, label_length); /* * Fill the XMSelect structure. */ if (!strcmp (label, "--") || !strcmp (label, "---")) { select->type = SEPARATOR; select->active = 0; } else { select->type = SELECTION; select->active = active; } select->serial = -1; select->label = label; select->label_width = label_width; select->label_length = label_length; select->data = data; select->parent_p = pane; select->help_string = help; /* * Insert the selection at the end of the selection list. */ emacs_insque(select, pane->s_list->prev); /* * Update the selection count. */ pane->s_count++; /* * Schedule a recompute. */ menu->recompute = 1; /* * Return the selection number just added. */ _XMErrorCode = XME_NO_ERROR; return((pane->s_count - 1)); }
int XMenuInsertPane(register XMenu *menu, register int p_num, char *label, int active) /* Menu object to be modified. */ /* Pane number of new pane. */ /* Selection label. */ /* Make selection active? */ { register XMPane *p_ptr; /* XMPane pointer. */ register XMPane *pane; /* Newly created pane. */ register XMSelect *sel; /* Initial selection for the new pane. */ int label_length; /* Label length in characters. */ int label_width; /* Label width in pixels. */ /* * Check for NULL pointers! */ if (label == NULL) { _XMErrorCode = XME_ARG_BOUNDS; return(XM_FAILURE); } /* * Find the pane number one less than the one specified since that * is the pane after which the insertion will occur. */ p_ptr = _XMGetPanePtr(menu, (p_num - 1)); if (p_ptr == NULL) return(XM_FAILURE); /* * Calloc the XMPane structure and the initial XMSelect. */ pane = (XMPane *)calloc(1, sizeof(XMPane)); if (pane == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } sel = (XMSelect *)calloc(1, sizeof(XMSelect)); if (sel == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } /* * Determine label size. */ label_length = strlen(label); label_width = XTextWidth(menu->p_fnt_info, label, label_length); /* * Set up the initial selection. * Values not explicitly set are zeroed by calloc. */ sel->next = sel; sel->prev = sel; sel->type = SL_HEADER; sel->serial = -1; sel->parent_p = pane; /* * Fill the XMPane structure. */ pane->type = PANE; pane->active = active; pane->serial = -1; pane->label = label; pane->label_width = label_width; pane->label_length = label_length; pane->s_list = sel; /* * Insert the pane after the pane with the pane * number one less than the desired number for the * new pane. */ emacs_insque(pane, p_ptr); /* * Update the pane count. */ menu->p_count++; /* * Schedule a recompute. */ menu->recompute = 1; /* * Return the number of the pane just added. */ _XMErrorCode = XME_NO_ERROR; return(p_num); }
int XMenuInsertSelection(register XMenu *menu, register int p_num, register int s_num, char *data, char *label, int active) /* Menu object to be modified. */ /* Pane number to be modified. */ /* Selection number of new selection. */ /* Data value. */ /* Selection label. */ /* Make selection active? */ { register XMPane *p_ptr; /* XMPane pointer. */ register XMSelect *s_ptr; /* XMSelect pointer. */ XMSelect *select; /* Newly created selection. */ int label_length; /* Label length in characters. */ int label_width; /* Label width in pixels. */ /* * Check for NULL pointers! */ if (label == NULL) { _XMErrorCode = XME_ARG_BOUNDS; return(XM_FAILURE); } /* * Find the right pane. */ p_ptr = _XMGetPanePtr(menu, p_num); if (p_ptr == NULL) return(XM_FAILURE); /* * Find the selection number one less than the one specified since that * is the selection after which the insertion will occur. */ s_ptr = _XMGetSelectionPtr(p_ptr, (s_num - 1)); if (s_ptr == NULL) return(XM_FAILURE); /* * Calloc the XMSelect structure. */ select = (XMSelect *)calloc(1, sizeof(XMSelect)); if (select == NULL) { _XMErrorCode = XME_CALLOC; return(XM_FAILURE); } /* * Determine label size. */ label_length = strlen(label); label_width = XTextWidth(menu->s_fnt_info, label, label_length); /* * Fill the XMSelect structure. */ if (!strcmp (label, "--") || !strcmp (label, "---")) { select->type = SEPARATOR; select->active = 0; } else { select->type = SELECTION; select->active = active; } select->active = active; select->serial = -1; select->label = label; select->label_width = label_width; select->label_length = label_length; select->data = data; select->parent_p = p_ptr; /* * Insert the selection after the selection with the selection * number one less than the desired number for the new selection. */ emacs_insque(select, s_ptr); /* * Update the selection count. */ p_ptr->s_count++; /* * Schedule a recompute. */ menu->recompute = 1; /* * Return the selection number just inserted. */ _XMErrorCode = XME_NO_ERROR; return(s_num); }