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Examples: GLFW+GL2/GL3: Minor tweaks, comments.

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This commit is contained in:
omar 2017-10-23 10:04:38 +02:00
parent d6a9956781
commit 50f5be9266
2 changed files with 10 additions and 8 deletions
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9
examples/opengl2_example/imgui_impl_glfw.cpp
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@ -26,7 +26,7 @@
// Data // Data
static GLFWwindow* g_Window = NULL; static GLFWwindow* g_Window = NULL;
static double g_Time = 0.0f; static double g_Time = 0.0f;
static bool g_MousePressed[3] = { false, false, false }; static bool g_MouseJustPressed[3] = { false, false, false };
static float g_MouseWheel = 0.0f; static float g_MouseWheel = 0.0f;
static GLuint g_FontTexture = 0; static GLuint g_FontTexture = 0;
@ -129,7 +129,7 @@ static void ImGui_ImplGlfwGL2_SetClipboardText(void* user_data, const char* text
void ImGui_ImplGlfwGL2_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) void ImGui_ImplGlfwGL2_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/)
{ {
if (action == GLFW_PRESS && button >= 0 && button < 3) if (action == GLFW_PRESS && button >= 0 && button < 3)
g_MousePressed[button] = true; g_MouseJustPressed[button] = true;
} }
void ImGui_ImplGlfwGL2_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yoffset) void ImGui_ImplGlfwGL2_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yoffset)
@ -287,8 +287,9 @@ void ImGui_ImplGlfwGL2_NewFrame()
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
{ {
io.MouseDown[i] = g_MousePressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
g_MousePressed[i] = false; io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0;
g_MouseJustPressed[i] = false;
} }
io.MouseWheel = g_MouseWheel; io.MouseWheel = g_MouseWheel;

9
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
View File

@ -22,7 +22,7 @@
// Data // Data
static GLFWwindow* g_Window = NULL; static GLFWwindow* g_Window = NULL;
static double g_Time = 0.0f; static double g_Time = 0.0f;
static bool g_MousePressed[3] = { false, false, false }; static bool g_MouseJustPressed[3] = { false, false, false };
static float g_MouseWheel = 0.0f; static float g_MouseWheel = 0.0f;
static GLuint g_FontTexture = 0; static GLuint g_FontTexture = 0;
static int g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0; static int g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0;
@ -150,7 +150,7 @@ static void ImGui_ImplGlfwGL3_SetClipboardText(void* user_data, const char* text
void ImGui_ImplGlfwGL3_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) void ImGui_ImplGlfwGL3_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/)
{ {
if (action == GLFW_PRESS && button >= 0 && button < 3) if (action == GLFW_PRESS && button >= 0 && button < 3)
g_MousePressed[button] = true; g_MouseJustPressed[button] = true;
} }
void ImGui_ImplGlfwGL3_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yoffset) void ImGui_ImplGlfwGL3_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yoffset)
@ -401,8 +401,9 @@ void ImGui_ImplGlfwGL3_NewFrame()
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
{ {
io.MouseDown[i] = g_MousePressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
g_MousePressed[i] = false; io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0;
g_MouseJustPressed[i] = false;
} }
io.MouseWheel = g_MouseWheel; io.MouseWheel = g_MouseWheel;