Examples: GLFW: using glfwSetCharModsCallback() to ensure characters aren't passed when using mods (fix #279)

examples/opengl3_example/imgui_impl_glfw_gl3.cpp

@@ -128,10 +128,10 @@ void ImGui_ImplGlfwGL3_KeyCallback(GLFWwindow*, int key, int, int action, int mo
     io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT];
 }
 
-void ImGui_ImplGlfwGL3_CharCallback(GLFWwindow*, unsigned int c)
+void ImGui_ImplGlfwGL3_CharModsCallback(GLFWwindow*, unsigned int c, int mods)
 {
     ImGuiIO& io = ImGui::GetIO();
-    if (c > 0 && c < 0x10000)
+    if ((mods & ~GLFW_MOD_SHIFT) == 0 && c > 0 && c < 0x10000)
         io.AddInputCharacter((unsigned short)c);
 }
 
@@ -262,7 +262,7 @@ bool    ImGui_ImplGlfwGL3_Init(GLFWwindow* window, bool install_callbacks)
         glfwSetMouseButtonCallback(window, ImGui_ImplGlfwGL3_MouseButtonCallback);
         glfwSetScrollCallback(window, ImGui_ImplGlfwGL3_ScrollCallback);
         glfwSetKeyCallback(window, ImGui_ImplGlfwGL3_KeyCallback);
-        glfwSetCharCallback(window, ImGui_ImplGlfwGL3_CharCallback);
+        glfwSetCharModsCallback(window, ImGui_ImplGlfwGL3_CharModsCallback);
     }
 
     return true;

examples/opengl3_example/imgui_impl_glfw_gl3.h

@@ -17,4 +17,4 @@ bool        ImGui_ImplGlfwGL3_CreateDeviceObjects();
 void        ImGui_ImplGlfwGL3_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods);
 void        ImGui_ImplGlfwGL3_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
 void        ImGui_ImplGlfwGL3_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
-void        ImGui_ImplGlfwGL3_CharCallback(GLFWwindow* window, unsigned int c);
+void        ImGui_ImplGlfwGL3_CharModsCallback(GLFWwindow* window, unsigned int c, int mods);

examples/opengl_example/imgui_impl_glfw.cpp

@@ -127,10 +127,10 @@ void ImGui_ImplGlFw_KeyCallback(GLFWwindow*, int key, int, int action, int mods)
     io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT];
 }
 
-void ImGui_ImplGlfw_CharCallback(GLFWwindow*, unsigned int c)
+void ImGui_ImplGlfw_CharModsCallback(GLFWwindow*, unsigned int c, int mods)
 {
     ImGuiIO& io = ImGui::GetIO();
-    if (c > 0 && c < 0x10000)
+    if ((mods & ~GLFW_MOD_SHIFT) == 0 && c > 0 && c < 0x10000)
         io.AddInputCharacter((unsigned short)c);
 }
 
@@ -207,7 +207,7 @@ bool    ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks)
         glfwSetMouseButtonCallback(window, ImGui_ImplGlfw_MouseButtonCallback);
         glfwSetScrollCallback(window, ImGui_ImplGlfw_ScrollCallback);
         glfwSetKeyCallback(window, ImGui_ImplGlFw_KeyCallback);
-        glfwSetCharCallback(window, ImGui_ImplGlfw_CharCallback);
+        glfwSetCharModsCallback(window, ImGui_ImplGlfw_CharModsCallback);
     }
 
     return true;

examples/opengl_example/imgui_impl_glfw.h

@@ -17,4 +17,4 @@ bool        ImGui_ImplGlfw_CreateDeviceObjects();
 void        ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods);
 void        ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
 void        ImGui_ImplGlFw_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
-void        ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c);
+void        ImGui_ImplGlfw_CharModsCallback(GLFWwindow* window, unsigned int c, int mods);