From 32897d35fa724e46e4195927d385da4e35ac7c76 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 8 Feb 2024 07:55:30 -0800
Subject: Add function to check for key press.
---
gfx-app/include/gfx/gfx_app.h | 32 ++++++++++++++++++++++
gfx-app/src/gfx_app.c | 63 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 95 insertions(+)
(limited to 'gfx-app')
diff --git a/gfx-app/include/gfx/gfx_app.h b/gfx-app/include/gfx/gfx_app.h
index 3c544fa..86c502a 100644
--- a/gfx-app/include/gfx/gfx_app.h
+++ b/gfx-app/include/gfx/gfx_app.h
@@ -28,12 +28,44 @@ typedef struct GfxAppCallbacks {
GfxAppShutdown shutdown;
} GfxAppCallbacks;
+typedef enum Key {
+ KeyA = 'a',
+ KeyB,
+ KeyC,
+ KeyD,
+ KeyE,
+ KeyF,
+ KeyG,
+ KeyH,
+ KeyI,
+ KeyJ,
+ KeyK,
+ KeyL,
+ KeyM,
+ KeyN,
+ KeyO,
+ KeyP,
+ KeyQ,
+ KeyR,
+ KeyS,
+ KeyT,
+ KeyU,
+ KeyV,
+ KeyW,
+ KeyX,
+ KeyY,
+ KeyZ,
+} Key;
+
/// Create a window with an OpenGL context and run the main loop.
bool gfx_app_run(const GfxAppDesc*, const GfxAppCallbacks*);
/// Get the mouse coordinates relative to the app's window.
void gfx_app_get_mouse_position(double* x, double* y);
+/// Return true if the given key is pressed.
+bool gfx_is_key_pressed(Key);
+
/// Define a main function that initializes and puts the application in a loop.
/// See also: gfx_app_run().
#define GFX_APP_MAIN(WIDTH, HEIGHT, MAX_FPS) \
diff --git a/gfx-app/src/gfx_app.c b/gfx-app/src/gfx_app.c
index a313ce8..e0211b1 100644
--- a/gfx-app/src/gfx_app.c
+++ b/gfx-app/src/gfx_app.c
@@ -138,3 +138,66 @@ cleanup:
void gfx_app_get_mouse_position(double* x, double* y) {
glfwGetCursorPos(g_gfx_app.window, x, y);
}
+
+static int to_glfw_key(Key key);
+
+bool gfx_is_key_pressed(Key key) {
+ return glfwGetKey(g_gfx_app.window, to_glfw_key(key)) == GLFW_PRESS;
+}
+
+static int to_glfw_key(Key key) {
+ switch (key) {
+ case KeyA:
+ return GLFW_KEY_A;
+ case KeyB:
+ return GLFW_KEY_B;
+ case KeyC:
+ return GLFW_KEY_C;
+ case KeyD:
+ return GLFW_KEY_D;
+ case KeyE:
+ return GLFW_KEY_E;
+ case KeyF:
+ return GLFW_KEY_F;
+ case KeyG:
+ return GLFW_KEY_G;
+ case KeyH:
+ return GLFW_KEY_H;
+ case KeyI:
+ return GLFW_KEY_I;
+ case KeyJ:
+ return GLFW_KEY_J;
+ case KeyK:
+ return GLFW_KEY_K;
+ case KeyL:
+ return GLFW_KEY_L;
+ case KeyM:
+ return GLFW_KEY_M;
+ case KeyN:
+ return GLFW_KEY_N;
+ case KeyO:
+ return GLFW_KEY_O;
+ case KeyP:
+ return GLFW_KEY_P;
+ case KeyQ:
+ return GLFW_KEY_Q;
+ case KeyR:
+ return GLFW_KEY_R;
+ case KeyS:
+ return GLFW_KEY_S;
+ case KeyT:
+ return GLFW_KEY_T;
+ case KeyU:
+ return GLFW_KEY_U;
+ case KeyV:
+ return GLFW_KEY_V;
+ case KeyW:
+ return GLFW_KEY_W;
+ case KeyX:
+ return GLFW_KEY_X;
+ case KeyY:
+ return GLFW_KEY_Y;
+ case KeyZ:
+ return GLFW_KEY_Z;
+ }
+}
--
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