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Examples: Simplified mouse wheel handling. (#1463)

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This commit is contained in:
omar
2018-01-20 12:45:31 +01:00
parent 7dea158175
commit 7e7c017b75
6 changed files with 23 additions and 47 deletions
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10
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
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@ -25,7 +25,6 @@
static GLFWwindow* g_Window = NULL;
static double g_Time = 0.0f;
static bool g_MouseJustPressed[3] = { false, false, false };
static ImVec2 g_MouseWheel = ImVec2(0.0f, 0.0f);
static GLuint g_FontTexture = 0;
static int g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0;
static int g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0;
@ -157,8 +156,9 @@ void ImGui_ImplGlfwGL3_MouseButtonCallback(GLFWwindow*, int button, int action,
void ImGui_ImplGlfwGL3_ScrollCallback(GLFWwindow*, double xoffset, double yoffset)
{
g_MouseWheel.x += (float)xoffset; // Use fractional mouse wheel.
g_MouseWheel.y += (float)yoffset;
ImGuiIO& io = ImGui::GetIO();
io.MouseWheelH += (float)xoffset;
io.MouseWheel += (float)yoffset;
}
void ImGui_ImplGlfwGL3_KeyCallback(GLFWwindow*, int key, int, int action, int mods)
@ -408,10 +408,6 @@ void ImGui_ImplGlfwGL3_NewFrame()
g_MouseJustPressed[i] = false;
}
io.MouseWheel = g_MouseWheel.y;
io.MouseWheelH = g_MouseWheel.x;
g_MouseWheel.x = g_MouseWheel.x = 0.0f;
// Hide OS mouse cursor if ImGui is drawing it
glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL);