From 830206581b485afb82e1778412815b92c01d3121 Mon Sep 17 00:00:00 2001
From: Cameron Cawley <[EMAIL REDACTED]>
Date: Thu, 9 Sep 2021 21:33:35 +0100
Subject: [PATCH] Add testmouse
---
.gitignore | 1 +
test/CMakeLists.txt | 1 +
test/Makefile.in | 4 +
test/Makefile.os2 | 2 +-
test/README | 1 +
test/testmouse.c | 192 ++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 200 insertions(+), 1 deletion(-)
create mode 100644 test/testmouse.c
diff --git a/.gitignore b/.gitignore
index 68a9026cf2..c1eb67f9d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -136,6 +136,7 @@ test/testloadso
test/testlocale
test/testlock
test/testmessage
+test/testmouse
test/testmultiaudio
test/testnative
test/testoverlay2
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index e9f66edd8f..7292e44f0e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -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
diff --git a/test/Makefile.in b/test/Makefile.in
index 019d0bb353..df70b675d8 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -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:
diff --git a/test/Makefile.os2 b/test/Makefile.os2
index 4a78fdf3e9..2d2acdbf61 100644
--- a/test/Makefile.os2
+++ b/test/Makefile.os2
@@ -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
diff --git a/test/README b/test/README
index 8329cb96f3..83337cf7aa 100644
--- a/test/README
+++ b/test/README
@@ -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
diff --git a/test/testmouse.c b/test/testmouse.c
new file mode 100644
index 0000000000..f4cb1338e0
--- /dev/null
+++ b/test/testmouse.c
@@ -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: */