Add testmouse

main
Cameron Cawley 2021-09-09 21:33:35 +01:00 committed by Sam Lantinga
parent 10d3df44f1
commit 830206581b
6 changed files with 200 additions and 1 deletions

1
.gitignore vendored
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@ -136,6 +136,7 @@ test/testloadso
test/testlocale
test/testlock
test/testmessage
test/testmouse
test/testmultiaudio
test/testnative
test/testoverlay2

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@ -57,6 +57,7 @@ add_executable(testjoystick testjoystick.c)
add_executable(testkeys testkeys.c)
add_executable(testloadso testloadso.c)
add_executable(testlock testlock.c)
add_executable(testmouse testmouse.c)
if(APPLE)
add_executable(testnative testnative.c

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@ -43,6 +43,7 @@ TARGETS = \
testlocale$(EXE) \
testlock$(EXE) \
testmessage$(EXE) \
testmouse$(EXE) \
testmultiaudio$(EXE) \
testnative$(EXE) \
testoverlay2$(EXE) \
@ -326,6 +327,9 @@ testvulkan$(EXE): $(srcdir)/testvulkan.c
testlocale$(EXE): $(srcdir)/testlocale.c
$(CC) -o $@ $? $(CFLAGS) $(LIBS)
testmouse$(EXE): $(srcdir)/testmouse.c
$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
clean:

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@ -11,7 +11,7 @@ TARGETS = testatomic.exe testdisplayinfo.exe testbounds.exe testdraw2.exe &
testshader.exe testshape.exe testsprite2.exe testspriteminimal.exe &
teststreaming.exe testthread.exe testtimer.exe testver.exe &
testviewport.exe testwm2.exe torturethread.exe checkkeys.exe &
checkkeysthreads.exe &
checkkeysthreads.exe testmouse.exe &
controllermap.exe testhaptic.exe testqsort.exe testresample.exe &
testaudioinfo.exe testaudiocapture.exe loopwave.exe loopwavequeue.exe &
testyuv.exe testgl2.exe testvulkan.exe testnative.exe testautomation.exe

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@ -14,6 +14,7 @@ These are test programs for the SDL library:
testloadso Tests the loadable library layer
testlocale Test Locale API
testlock Hacked up test of multi-threading and locking
testmouse Tests mouse coordinates
testmultiaudio Tests using several audio devices
testoverlay2 Tests the overlay flickering/scaling during playback.
testplatform Tests types, endianness and cpu capabilities

192
test/testmouse.c Normal file
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@ -0,0 +1,192 @@
/*
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
#include "SDL.h"
#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
#endif
#ifdef __IPHONEOS__
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 480
#else
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480
#endif
static SDL_Window *window;
static SDL_Renderer *renderer;
typedef struct Line Line;
typedef struct Line {
Line *next;
int x1, y1, x2, y2;
Uint8 r, g, b;
} Line;
static Line *active = NULL;
static Line *lines = NULL;
static int buttons = 0;
static SDL_bool done = SDL_FALSE;
void
DrawLine(SDL_Renderer * renderer, Line * line)
{
SDL_SetRenderDrawColor(renderer, line->r, line->g, line->b, 255);
SDL_RenderDrawLine(renderer, line->x1, line->y1, line->x2, line->y2);
}
void
DrawLines(SDL_Renderer * renderer)
{
Line *next = lines;
while (next != NULL) {
DrawLine(renderer, next);
next = next->next;
}
}
void
AppendLine(Line *line)
{
if (lines) {
Line *next = lines;
while (next->next != NULL) {
next = next->next;
}
next->next = line;
} else {
lines = line;
}
}
void
loop()
{
int i;
SDL_Event event;
/* Check for events */
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_MOUSEMOTION:
if (!active)
break;
active->x2 = event.motion.x;
active->y2 = event.motion.y;
break;
case SDL_MOUSEBUTTONDOWN:
if (!active) {
active = SDL_calloc(1, sizeof(*active));
active->x1 = active->x2 = event.button.x;
active->y1 = active->y2 = event.button.y;
}
switch (event.button.button) {
case SDL_BUTTON_LEFT: active->r = 255; buttons |= SDL_BUTTON_LMASK; break;
case SDL_BUTTON_MIDDLE: active->g = 255; buttons |= SDL_BUTTON_MMASK; break;
case SDL_BUTTON_RIGHT: active->b = 255; buttons |= SDL_BUTTON_RMASK; break;
}
break;
case SDL_MOUSEBUTTONUP:
if (!active)
break;
switch (event.button.button) {
case SDL_BUTTON_LEFT: buttons &= ~SDL_BUTTON_LMASK; break;
case SDL_BUTTON_MIDDLE: buttons &= ~SDL_BUTTON_MMASK; break;
case SDL_BUTTON_RIGHT: buttons &= ~SDL_BUTTON_RMASK; break;
}
if (buttons == 0) {
AppendLine(active);
active = NULL;
}
break;
case SDL_QUIT:
done = SDL_TRUE;
break;
default:
break;
}
}
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
DrawLines(renderer);
if (active)
DrawLine(renderer, active);
SDL_RenderPresent(renderer);
#ifdef __EMSCRIPTEN__
if (done) {
emscripten_cancel_main_loop();
}
#endif
}
int
main(int argc, char *argv[])
{
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
/* Initialize SDL (Note: video is required to start event loop) */
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
/* Create a window to display joystick axis position */
window = SDL_CreateWindow("Mouse Test", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
SCREEN_HEIGHT, 0);
if (window == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
return SDL_FALSE;
}
renderer = SDL_CreateRenderer(window, -1, 0);
if (renderer == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
SDL_DestroyWindow(window);
return SDL_FALSE;
}
/* Main render loop */
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(loop, 0, 1);
#else
while (!done) {
loop();
}
#endif
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */