src/programs/view/popup.h

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  37
  38 #ifndef _popup_h
  39 #define _popup_h
  40
  41 #include "x11.h"
  42 #include "xutil.h"
  43
  44 typedef struct {
  45     Window      send_to;  /* Window to send messages to                 */
  46     int         nreturn;  /* Value returned when entry is selected  */
  47     bool        bChecked; /* Indicate whether menu item is check-marked */
  48     const char *str;      /* Text for menu entry                                */
  49 } t_mentry;
  50
  51 typedef struct {
  52     t_windata  wd;     /* The window struct                             */
  53     t_mentry  *m;      /* The menu entry                                */
  54     Window     Parent; /* Parent window id                              */
  55 } t_child;
  56
  57 typedef struct {
  58     t_windata     wd;       /* The window struct                */
  59     Window        Parent;   /* The parent of the menu                   */
  60     int           nitem;    /* The number of menu items                 */
  61     t_child      *item;     /* Array of child windows                   */
  62     bool          bGrabbed; /* Did this menu grab the pointer?              */
  63 } t_menu;
  64
  65 extern t_menu *init_menu(t_x11 *x11, Window Parent, unsigned long fg, unsigned long bg,
  66                          int nent, t_mentry ent[], int ncol);
  67 /* This routine will create a popup menu. It will create a
  68  * a base window, and child windows for all the items.
  69  * If ncol != 0 then ncol columns of items will be created;
  70  * otherwise the routine will try to evenly space the menu, eg. if there
  71  * are 20 items then the menu will be 2x10 entries, depending on the
  72  * string lengths.
  73  * !!!
  74  * !!! Do not destroy the ent structure while using this menu
  75  * !!!
  76  * The routine will create the windows but not map them. That is, this
  77  * routine can be called once at the beginning of a program. When a menu
  78  * has to be shown, call show_menu.
  79  */
  80
  81 extern void show_menu(t_x11 *x11, t_menu *m, int x, int y, bool bGrab);
  82 /* Show the menu in m at (x,y)
  83  * This will popup the menu, and when a button is released in the
  84  * menu send a ClientMessage to the Parent window of the menu
  85  * specifying the selected menu item in xclient.data.l[0].
  86  * bGrab specifies whether or not to grab the pointer.
  87  */
  88
  89 extern void hide_menu(t_x11 *x11, t_menu *m);
  90 /* Unmaps the window for m, hides the window */
  91
  92 extern void check_menu_item(t_menu *m, int nreturn, bool bStatus);
  93 /* Set the bChecked field in the menu item with return code
  94  * nreturn to bStatus. This function must always be called when
  95  * the bChecked flag has to changed.
  96  */
  97
  98 extern void done_menu(t_x11 *x11, t_menu *m);
  99 /* This routine destroys the menu m, and unregisters it with x11 */
 100
 101 extern int menu_width(t_menu *m);
 102 /* Return the width of the window */
 103
 104 extern int menu_height(t_menu *m);
 105 /* Return the height of the window */
 106
 107 #endif  /* _popup_h */