/**
 * @file cursor.c
 * @author Joe Wingbermuehle
 * @date 2004-2006
 *
 * @brief Cursor functions.
 *
 */

#include "jwm.h"
#include "cursor.h"
#include "main.h"
#include "error.h"

static Cursor defaultCursor;
static Cursor moveCursor;
static Cursor northCursor;
static Cursor southCursor;
static Cursor eastCursor;
static Cursor westCursor;
static Cursor northEastCursor;
static Cursor northWestCursor;
static Cursor southEastCursor;
static Cursor southWestCursor;
static Cursor chooseCursor;

static Cursor GetResizeCursor(BorderActionType action);
static Cursor CreateCursor(unsigned int shape);

static int mousex;
static int mousey;

/** Initialize cursor data. */
void InitializeCursors() {
}

/** Startup cursor support. */
void StartupCursors() {

   Window win1, win2;
   int winx, winy;
   unsigned int mask;

   defaultCursor = CreateCursor(XC_left_ptr);
   moveCursor = CreateCursor(XC_fleur);
   northCursor = CreateCursor(XC_top_side);
   southCursor = CreateCursor(XC_bottom_side);
   eastCursor = CreateCursor(XC_right_side);
   westCursor = CreateCursor(XC_left_side);
   northEastCursor = CreateCursor(XC_ur_angle);
   northWestCursor = CreateCursor(XC_ul_angle);
   southEastCursor = CreateCursor(XC_lr_angle);
   southWestCursor = CreateCursor(XC_ll_angle);
   chooseCursor = CreateCursor(XC_tcross);

   JXQueryPointer(display, rootWindow, &win1, &win2,
      &mousex, &mousey, &winx, &winy, &mask);

}

/** Create a cursor for the specified shape. */
Cursor CreateCursor(unsigned int shape) {
   return JXCreateFontCursor(display, shape);
}

/** Shutdown cursor support. */
void ShutdownCursors() {

   JXFreeCursor(display, defaultCursor);
   JXFreeCursor(display, moveCursor);
   JXFreeCursor(display, northCursor);
   JXFreeCursor(display, southCursor);
   JXFreeCursor(display, eastCursor);
   JXFreeCursor(display, westCursor);
   JXFreeCursor(display, northEastCursor);
   JXFreeCursor(display, northWestCursor);
   JXFreeCursor(display, southEastCursor);
   JXFreeCursor(display, southWestCursor);
   JXFreeCursor(display, chooseCursor);

}

/** Destroy cursor data. */
void DestroyCursors() {
}

/** Get the cursor for the specified location on the frame. */
Cursor GetFrameCursor(BorderActionType action) {

   switch(action & 0x0F) {
   case BA_RESIZE:
      return GetResizeCursor(action);
   case BA_CLOSE:
      break;
   case BA_MAXIMIZE:
      break;
   case BA_MINIMIZE:
      break;
   case BA_MOVE:
      break;
   default:
      break;
   }
   return defaultCursor;

}

/** Get the cursor for resizing on the specified frame location. */
Cursor GetResizeCursor(BorderActionType action) {

   if(action & BA_RESIZE_N) {
      if(action & BA_RESIZE_E) {
         return northEastCursor;
      } else if(action & BA_RESIZE_W) {
         return northWestCursor;
      } else {
         return northCursor;
      }
   } else if(action & BA_RESIZE_S) {
      if(action & BA_RESIZE_E) {
         return southEastCursor;
      } else if(action & BA_RESIZE_W) {
         return southWestCursor;
      } else {
         return southCursor;
      }
   } else {
      if(action & BA_RESIZE_E) {
         return eastCursor;
      } else {
         return westCursor;
      }
   }

}

/** Grab the mouse for resizing a window. */
int GrabMouseForResize(BorderActionType action) {

   Cursor cur;
   int result;

   cur = GetFrameCursor(action);

   result = JXGrabPointer(display, rootWindow, False, ButtonPressMask
      | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
      GrabModeAsync, None, cur, CurrentTime);

   if(result == GrabSuccess) {
      return 1;
   } else {
      return 0;
   }

}

/** Grab the mouse for moving a window. */
int GrabMouseForMove() {

   int result;

   result = JXGrabPointer(display, rootWindow, False,
      ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
      GrabModeAsync, GrabModeAsync, None, moveCursor, CurrentTime);

   if(result == GrabSuccess) {

      return 1;

   } else {

      return 0;

   }

}

/** Grab the mouse. */
int GrabMouse(Window w) {

   int result;

   result = JXGrabPointer(display, w, False,
      ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
      GrabModeAsync, GrabModeAsync, None, defaultCursor, CurrentTime);

   if(result == GrabSuccess) {
      return 1;
   } else {
      return 0;
   }

}

/** Grab the mouse for choosing a window. */
int GrabMouseForChoose() {

   int result;

   result = JXGrabPointer(display, rootWindow, False,
      ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
      GrabModeAsync, GrabModeAsync, None, chooseCursor, CurrentTime);

   if(result == GrabSuccess) {
      return 1;
   } else {
      return 0;
   }

}

/** Set the default cursor for a window. */
void SetDefaultCursor(Window w) {

   JXDefineCursor(display, w, defaultCursor);

}

/** Move the mouse to the specified coordinates on a window. */
void MoveMouse(Window win, int x, int y) {

   Window win1, win2;
   int winx, winy;
   unsigned int mask;

   JXWarpPointer(display, None, win, 0, 0, 0, 0, x, y);

   JXQueryPointer(display, rootWindow, &win1, &win2,
      &mousex, &mousey, &winx, &winy, &mask);

}

/** Set the current mouse position. */
void SetMousePosition(int x, int y) {

   mousex = x;
   mousey = y;

}

/** Get the current mouse position. */
void GetMousePosition(int *x, int *y) {

   Assert(x);
   Assert(y);

   *x = mousex;
   *y = mousey;

}

/** Get the current mouse buttons pressed. */
unsigned int GetMouseMask() {

   Window win1, win2;
   int winx, winy;
   unsigned int mask;

   JXQueryPointer(display, rootWindow, &win1, &win2,
      &mousex, &mousey, &winx, &winy, &mask);

   return mask;

}

/** Set the double click speed to use. */
void SetDoubleClickSpeed(const char *str) {

   int speed;

   if(str) {
      speed = atoi(str);
      if(speed < MIN_DOUBLE_CLICK_SPEED || speed > MAX_DOUBLE_CLICK_SPEED) {
         Warning("invalid DoubleClickSpeed: %d", speed);
         doubleClickSpeed = DEFAULT_DOUBLE_CLICK_SPEED;
      } else {
         doubleClickSpeed = speed;
      }
   }

}

/** Set the double click delta to use. */
void SetDoubleClickDelta(const char *str) {

   int delta;

   if(str) {
      delta = atoi(str);
      if(delta < MIN_DOUBLE_CLICK_DELTA || delta > MAX_DOUBLE_CLICK_DELTA) {
         Warning("invalid DoubleClickDelta: %d", delta);
         doubleClickDelta = DEFAULT_DOUBLE_CLICK_DELTA;
      } else {
         doubleClickDelta = delta;
      }
   }

}