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 {
  46     Window      send_to;  /* Window to send messages to                 */
  47     int         nreturn;  /* Value returned when entry is selected  */
  48     bool        bChecked; /* Indicate whether menu item is check-marked */
  49     const char* str;      /* Text for menu entry                                */
  50 } t_mentry;
  51
  52 typedef struct
  53 {
  54     t_windata wd;     /* The window struct                              */
  55     t_mentry* m;      /* The menu entry                         */
  56     Window    Parent; /* Parent window id                               */
  57 } t_child;
  58
  59 typedef struct
  60 {
  61     t_windata wd;       /* The window struct                */
  62     Window    Parent;   /* The parent of the menu                   */
  63     int       nitem;    /* The number of menu items                     */
  64     t_child*  item;     /* Array of child windows                   */
  65     bool      bGrabbed; /* Did this menu grab the pointer?              */
  66 } t_menu;
  67
  68 extern t_menu*
  69 init_menu(t_x11* x11, Window Parent, unsigned long fg, unsigned long bg, int nent, t_mentry ent[], int ncol);
  70 /* This routine will create a popup menu. It will create a
  71  * a base window, and child windows for all the items.
  72  * If ncol != 0 then ncol columns of items will be created;
  73  * otherwise the routine will try to evenly space the menu, eg. if there
  74  * are 20 items then the menu will be 2x10 entries, depending on the
  75  * string lengths.
  76  * !!!
  77  * !!! Do not destroy the ent structure while using this menu
  78  * !!!
  79  * The routine will create the windows but not map them. That is, this
  80  * routine can be called once at the beginning of a program. When a menu
  81  * has to be shown, call show_menu.
  82  */
  83
  84 extern void show_menu(t_x11* x11, t_menu* m, int x, int y, bool bGrab);
  85 /* Show the menu in m at (x,y)
  86  * This will popup the menu, and when a button is released in the
  87  * menu send a ClientMessage to the Parent window of the menu
  88  * specifying the selected menu item in xclient.data.l[0].
  89  * bGrab specifies whether or not to grab the pointer.
  90  */
  91
  92 extern void hide_menu(t_x11* x11, t_menu* m);
  93 /* Unmaps the window for m, hides the window */
  94
  95 extern void check_menu_item(t_menu* m, int nreturn, bool bStatus);
  96 /* Set the bChecked field in the menu item with return code
  97  * nreturn to bStatus. This function must always be called when
  98  * the bChecked flag has to changed.
  99  */
 100
 101 extern void done_menu(t_x11* x11, t_menu* m);
 102 /* This routine destroys the menu m, and unregisters it with x11 */
 103
 104 extern int menu_width(t_menu* m);
 105 /* Return the width of the window */
 106
 107 extern int menu_height(t_menu* m);
 108 /* Return the height of the window */
 109
 110 #endif /* _popup_h */