1 /*

     2  * GUI Common internal definitions

     3  *

     4  * Copyright (c) 2009 CodeSourcery

     5  *

     6  * Permission is hereby granted, free of charge, to any person obtaining a copy

     7  * of this software and associated documentation files (the "Software"), to deal

     8  * in the Software without restriction, including without limitation the rights

     9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

    10  * copies of the Software, and to permit persons to whom the Software is

    11  * furnished to do so, subject to the following conditions:

    12  *

    13  * The above copyright notice and this permission notice shall be included in

    14  * all copies or substantial portions of the Software.

    15  *

    16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

    17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

    18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

    19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

    20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

    21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

    22  * THE SOFTWARE.

    23  */

    24 

    25 #define X1_Y1

    26 

    27 typedef struct

    28 {

    29     int x0;

    30     int y0;

    31 #if defined X1_Y1

    32     int x1;

    33     int y1;

    34 #else

    35     int width;

    36     int height;

    37 #endif

    38 } gui_area_t;

    39 

    40 

    41 #if defined X1_Y1

    42 #   define GET_GUI_AREA_WIDTH(area_ptr)    ((area_ptr)->x1 - (area_ptr)->x0)

    43 #   define GET_GUI_AREA_HEIGHT(area_ptr)   ((area_ptr)->y1 - (area_ptr)->y0)

    44 #   define GET_GUI_AREA_X1(area_ptr)       (area_ptr)->x1)

    45 #   define GET_GUI_AREA_Y1(area_ptr)       (area_ptr)->y1)

    46 #   define SET_GUI_AREA_WIDTH(area_ptr,w)  (area_ptr)->x1 = (area_ptr)->x0 + (w)

    47 #   define SET_GUI_AREA_HEIGHT(area_ptr,h) (area_ptr)->y1 = (area_ptr)->y0 + (h)

    48 #   define SET_GUI_AREA_X0(area_ptr,x0)    (area_ptr)->x0 = (x0)

    49 #   define SET_GUI_AREA_Y0(area_ptr,y0)    (area_ptr)->y0 = (y0)

    50 #   define SET_GUI_AREA_X1(area_ptr,x1)    (area_ptr)->x1 = (x1)

    51 #   define SET_GUI_AREA_Y1(area_ptr,y1)    (area_ptr)->y1 = (y1)

    52 #elif define WIDTH_HEIGHT

    53 #   define GET_GUI_AREA_WIDTH(area_ptr)    (area_ptr)->width

    54 #   define GET_GUI_AREA_HEIGHT(area_ptr)   (area_ptr)->height

    55 #   define GET_GUI_AREA_X1(area_ptr)       ((area_ptr)->x0 + (area_ptr)->width)

    56 #   define GET_GUI_AREA_Y1(area_ptr)       ((area_ptr)->y0 + (area_ptr)->height)

    57 #   define SET_GUI_AREA_WIDTH(area_ptr,w)  (area_ptr)->width = (w)

    58 #   define SET_GUI_AREA_HEIGHT(area_ptr,h) (area_ptr)->height = (h)

    59 #   define SET_GUI_AREA_X0(area_ptr,x0)    { (area_ptr)->width += (area_ptr)->x0 - (x0); (area_ptr)->x0 = (x0); }

    60 #   define SET_GUI_AREA_Y0(area_ptr,y0)    { (area_ptr)->height += (area_ptr)->y0 - (y0); (area_ptr)->y0 = (y0); }

    61 #   define SET_GUI_AREA_X1(area_ptr,x1)    (area_ptr)->width = (x1) - (area_ptr)->x0

    62 #   define SET_GUI_AREA_Y1(area_ptr,y1)    (area_ptr)->height = (y1) - (area_ptr)->y0

    63 #else

    64 #   error BAD DEFINITIONS IN GUI_COMMON.H

    65 #endif

    66