libs/FScreen.h

   1 /* -*-c-*- */
   2 #ifndef FVWMLIB_FSCRREN_H
   3 #define FVWMLIB_FSCRREN_H
   4
   5 /* needs X11/Xlib.h and X11/Xutil.h */
   6
   7 typedef enum
   8 {
   9         FSCREEN_GLOBAL  = -1,
  10         FSCREEN_CURRENT = -2,
  11         FSCREEN_PRIMARY = -3,
  12         FSCREEN_XYPOS   = -4
  13 } fscreen_scr_t;
  14
  15 typedef enum
  16 {
  17         FSCREEN_SPEC_GLOBAL = 'g',
  18         FSCREEN_SPEC_CURRENT = 'c',
  19         FSCREEN_SPEC_PRIMARY = 'p',
  20         FSCREEN_SPEC_WINDOW = 'w'
  21 } fscreen_scr_spec_t;
  22
  23 typedef union
  24 {
  25         XEvent *mouse_ev;
  26         struct
  27         {
  28                 int x;
  29                 int y;
  30         } xypos;
  31 } fscreen_scr_arg;
  32
  33 #define FSCREEN_MANGLE_USPOS_HINTS_MAGIC ((short)-32109)
  34
  35
  36 /* Control */
  37 Bool FScreenIsEnabled(void);
  38 Bool FScreenIsSLSEnabled(void);
  39 void FScreenInit(Display *dpy);
  40 void FScreenOnOff(Bool do_enable);
  41 Bool FScreenConfigureSLSSize(int width, int height);
  42 Bool FScreenConfigureSLSScreens(int nscreens, char *args);
  43 void FScreenSLSOnOff(Bool do_enable);
  44 /* Intended to be called by modules.  Simply pass in the parameter from the
  45  * config string sent by fvwm. */
  46 void FScreenConfigureModule(char *args);
  47 const char* FScreenGetConfiguration(void); /* For use by fvwm */
  48 void FScreenSetDefaultModuleScreen(char *scr_spec);
  49 void FScreenDisableRandR(void);
  50
  51 void FScreenSetPrimaryScreen(int scr);
  52
  53 /* Screen info */
  54 Bool FScreenGetScrRect(
  55         fscreen_scr_arg *arg, fscreen_scr_t screen, int *x, int *y,
  56         int *w, int *h);
  57 Bool FScreenGetScrId(
  58         fscreen_scr_arg *arg, fscreen_scr_t screen);
  59 void FScreenTranslateCoordinates(
  60         fscreen_scr_arg *arg_src, fscreen_scr_t screen_src,
  61         fscreen_scr_arg *arg_dest, fscreen_scr_t screen_dest,
  62         int *x, int *y);
  63 void FScreenGetResistanceRect(
  64         int wx, int wy, unsigned int ww, unsigned int wh, int *x0, int *y0,
  65         int *x1, int *y1);
  66 Bool FScreenIsRectangleOnScreen(
  67         fscreen_scr_arg *arg, fscreen_scr_t screen, rectangle *rec);
  68 void FScreenSpecToString(char *dest, int space, fscreen_scr_t screen);
  69
  70 /* Clipping/positioning */
  71 int FScreenClipToScreen(
  72         fscreen_scr_arg *arg, fscreen_scr_t screen, int *x, int *y, int w,
  73         int h);
  74 void FScreenCenterOnScreen(
  75         fscreen_scr_arg *arg, fscreen_scr_t screen, int *x, int *y, int w,
  76         int h);
  77
  78 /* Geometry management */
  79 int FScreenGetScreenArgument(char *scr_spec, fscreen_scr_spec_t default_screen);
  80 int FScreenParseGeometryWithScreen(
  81         char *parsestring, int *x_return, int *y_return,
  82         unsigned int *width_return, unsigned int *height_return,
  83         int *screen_return);
  84 int FScreenParseGeometry(
  85         char *parsestring, int *x_return, int *y_return,
  86         unsigned int *width_return, unsigned int *height_return);
  87 int  FScreenGetGeometry(
  88         char *parsestring, int *x_return, int *y_return,
  89         int *width_return, int *height_return, XSizeHints *hints, int flags);
  90 void FScreenMangleScreenIntoUSPosHints(fscreen_scr_t screen, XSizeHints *hints);
  91 fscreen_scr_t FScreenFetchMangledScreenFromUSPosHints(XSizeHints *hints);
  92
  93 /* RandR support */
  94 int  FScreenGetRandrEventType(void);
  95 Bool FScreenHandleRandrEvent(
  96         XEvent *event, int *old_w, int *old_h, int *new_w, int *new_h);
  97
  98 #endif /* FVWMLIB_FSCRREN_H */