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test/testhittesting.c
author Manuel Alfayate Corchete
Sun, 17 Jan 2021 21:33:51 +0100
changeset 14743 c3b1b429b80b
parent 11272 d60ede5a0c2e
permissions -rw-r--r--
[KMS/DRM] Fix for bug #5468: corruption on dynamic cursor changing caused by wrong buffer size. 
     1 #include <stdio.h>

     2 #include "SDL.h"

     3 

     4 /* !!! FIXME: rewrite this to be wired in to test framework. */

     5 

     6 #define RESIZE_BORDER 20

     7 

     8 const SDL_Rect drag_areas[] = {

     9     { 20, 20, 100, 100 },

    10     { 200, 70, 100, 100 },

    11     { 400, 90, 100, 100 }

    12 };

    13 

    14 static const SDL_Rect *areas = drag_areas;

    15 static int numareas = SDL_arraysize(drag_areas);

    16 

    17 static SDL_HitTestResult SDLCALL

    18 hitTest(SDL_Window *window, const SDL_Point *pt, void *data)

    19 {

    20     int i;

    21     int w, h;

    22 

    23     for (i = 0; i < numareas; i++) {

    24         if (SDL_PointInRect(pt, &areas[i])) {

    25             SDL_Log("HIT-TEST: DRAGGABLE\n");

    26             return SDL_HITTEST_DRAGGABLE;

    27         }

    28     }

    29 

    30     SDL_GetWindowSize(window, &w, &h);

    31 

    32     #define REPORT_RESIZE_HIT(name) { \

    33         SDL_Log("HIT-TEST: RESIZE_" #name "\n"); \

    34         return SDL_HITTEST_RESIZE_##name; \

    35     }

    36 

    37     if (pt->x < RESIZE_BORDER && pt->y < RESIZE_BORDER) {

    38         REPORT_RESIZE_HIT(TOPLEFT);

    39     } else if (pt->x > RESIZE_BORDER && pt->x < w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {

    40         REPORT_RESIZE_HIT(TOP);

    41     } else if (pt->x > w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {

    42         REPORT_RESIZE_HIT(TOPRIGHT);

    43     } else if (pt->x > w - RESIZE_BORDER && pt->y > RESIZE_BORDER && pt->y < h - RESIZE_BORDER) {

    44         REPORT_RESIZE_HIT(RIGHT);

    45     } else if (pt->x > w - RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {

    46         REPORT_RESIZE_HIT(BOTTOMRIGHT);

    47     } else if (pt->x < w - RESIZE_BORDER && pt->x > RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {

    48         REPORT_RESIZE_HIT(BOTTOM);

    49     } else if (pt->x < RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {

    50         REPORT_RESIZE_HIT(BOTTOMLEFT);

    51     } else if (pt->x < RESIZE_BORDER && pt->y < h - RESIZE_BORDER && pt->y > RESIZE_BORDER) {

    52         REPORT_RESIZE_HIT(LEFT);

    53     }

    54 

    55     SDL_Log("HIT-TEST: NORMAL\n");

    56     return SDL_HITTEST_NORMAL;

    57 }

    58 

    59 

    60 int main(int argc, char **argv)

    61 {

    62     int done = 0;

    63     SDL_Window *window;

    64     SDL_Renderer *renderer;

    65 

    66     /* !!! FIXME: check for errors. */

    67     SDL_Init(SDL_INIT_VIDEO);

    68     window = SDL_CreateWindow("Drag the red boxes", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE);

    69     renderer = SDL_CreateRenderer(window, -1, 0);

    70 

    71     if (SDL_SetWindowHitTest(window, hitTest, NULL) == -1) {

    72         SDL_Log("Enabling hit-testing failed!\n");

    73         SDL_Quit();

    74         return 1;

    75     }

    76 

    77     while (!done)

    78     {

    79         SDL_Event e;

    80         int nothing_to_do = 1;

    81 

    82         SDL_SetRenderDrawColor(renderer, 0, 0, 127, 255);

    83         SDL_RenderClear(renderer);

    84         SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);

    85         SDL_RenderFillRects(renderer, areas, SDL_arraysize(drag_areas));

    86         SDL_RenderPresent(renderer);

    87 

    88         while (SDL_PollEvent(&e)) {

    89             nothing_to_do = 0;

    90 

    91             switch (e.type)

    92             {

    93                 case SDL_MOUSEBUTTONDOWN:

    94                     SDL_Log("button down!\n");

    95                     break;

    96 

    97                 case SDL_MOUSEBUTTONUP:

    98                     SDL_Log("button up!\n");

    99                     break;

   100 

   101                 case SDL_WINDOWEVENT:

   102                     if (e.window.event == SDL_WINDOWEVENT_MOVED) {

   103                         SDL_Log("Window event moved to (%d, %d)!\n", (int) e.window.data1, (int) e.window.data2);

   104                     }

   105                     break;

   106 

   107                 case SDL_KEYDOWN:

   108                     if (e.key.keysym.sym == SDLK_ESCAPE) {

   109                         done = 1;

   110                     } else if (e.key.keysym.sym == SDLK_x) {

   111                         if (!areas) {

   112                             areas = drag_areas;

   113                             numareas = SDL_arraysize(drag_areas);

   114                         } else {

   115                             areas = NULL;

   116                             numareas = 0;

   117                         }

   118                     }

   119                     break;

   120 

   121                 case SDL_QUIT:

   122                     done = 1;

   123                     break;

   124             }

   125         }

   126 

   127         if (nothing_to_do) {

   128             SDL_Delay(50);

   129         }

   130     }

   131 

   132     SDL_Quit();

   133     return 0;

   134 }
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