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Backends: Win32, SDL, GLFW: only honor io.WantSetMousePos when focused + fix GLFW uninstalling handler + tweaks to reduce branch drift with docking. (#787, #2445, #2696, #3751, #4377)

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This commit is contained in:
ocornut
2021-08-02 15:48:20 +02:00
parent db686ad522
commit 2ad912bb85
3 changed files with 100 additions and 86 deletions
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37
backends/imgui_impl_glfw.cpp
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@@ -55,7 +55,7 @@
#define GLFW_HAS_WINDOW_ALPHA (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ glfwSetWindowOpacity
#define GLFW_HAS_PER_MONITOR_DPI (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ glfwGetMonitorContentScale
#define GLFW_HAS_VULKAN (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3200) // 3.2+ glfwCreateWindowSurface
#ifdef GLFW_RESIZE_NESW_CURSOR // let's be nice to people who pulled GLFW between 2019-04-16 (3.4 define) and 2019-11-29 (cursors defines) // FIXME: Remove when GLFW 3.4 is released?
#ifdef GLFW_RESIZE_NESW_CURSOR // Let's be nice to people who pulled GLFW between 2019-04-16 (3.4 define) and 2019-11-29 (cursors defines) // FIXME: Remove when GLFW 3.4 is released?
#define GLFW_HAS_NEW_CURSORS (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3400) // 3.4+ GLFW_RESIZE_ALL_CURSOR, GLFW_RESIZE_NESW_CURSOR, GLFW_RESIZE_NWSE_CURSOR, GLFW_NOT_ALLOWED_CURSOR
#else
#define GLFW_HAS_NEW_CURSORS (0)
@@ -116,7 +116,7 @@ static void ImGui_ImplGlfw_SetClipboardText(void* user_data, const char* text)
void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods)
{
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
if (bd->PrevUserCallbackMousebutton != NULL)
if (bd->PrevUserCallbackMousebutton != NULL && window == bd->Window)
bd->PrevUserCallbackMousebutton(window, button, action, mods);
if (action == GLFW_PRESS && button >= 0 && button < IM_ARRAYSIZE(bd->MouseJustPressed))
@@ -126,7 +126,7 @@ void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int acti
void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset)
{
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
if (bd->PrevUserCallbackScroll != NULL)
if (bd->PrevUserCallbackScroll != NULL && window == bd->Window)
bd->PrevUserCallbackScroll(window, xoffset, yoffset);
ImGuiIO& io = ImGui::GetIO();
@@ -137,7 +137,7 @@ void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yo
void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
if (bd->PrevUserCallbackKey != NULL)
if (bd->PrevUserCallbackKey != NULL && window == bd->Window)
bd->PrevUserCallbackKey(window, key, scancode, action, mods);
ImGuiIO& io = ImGui::GetIO();
@@ -174,7 +174,7 @@ void ImGui_ImplGlfw_CursorEnterCallback(GLFWwindow* window, int entered)
void ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c)
{
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
if (bd->PrevUserCallbackChar != NULL)
if (bd->PrevUserCallbackChar != NULL && window == bd->Window)
bd->PrevUserCallbackChar(window, c);
ImGuiIO& io = ImGui::GetIO();
@@ -298,6 +298,7 @@ void ImGui_ImplGlfw_Shutdown()
if (bd->InstalledCallbacks)
{
glfwSetCursorEnterCallback(bd->Window, bd->PrevUserCallbackCursorEnter);
glfwSetMouseButtonCallback(bd->Window, bd->PrevUserCallbackMousebutton);
glfwSetScrollCallback(bd->Window, bd->PrevUserCallbackScroll);
glfwSetKeyCallback(bd->Window, bd->PrevUserCallbackKey);
@@ -316,32 +317,32 @@ void ImGui_ImplGlfw_Shutdown()
static void ImGui_ImplGlfw_UpdateMousePosAndButtons()
{
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
// Update buttons
ImGuiIO& io = ImGui::GetIO();
const ImVec2 mouse_pos_prev = io.MousePos;
io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
// Update mouse buttons
// (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)
for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++)
{
// 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.
io.MouseDown[i] = bd->MouseJustPressed[i] || glfwGetMouseButton(bd->Window, i) != 0;
bd->MouseJustPressed[i] = false;
}
#ifdef __EMSCRIPTEN__
const bool focused = true; // Emscripten
const bool focused = true;
#else
const bool focused = glfwGetWindowAttrib(bd->Window, GLFW_FOCUSED) != 0;
#endif
GLFWwindow* mouse_window = (bd->MouseWindow == bd->Window || focused) ? bd->Window : NULL;
// Update mouse position
const ImVec2 mouse_pos_backup = io.MousePos;
io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
if (io.WantSetMousePos)
{
if (focused)
glfwSetCursorPos(bd->Window, (double)mouse_pos_backup.x, (double)mouse_pos_backup.y);
}
else if (mouse_window != NULL)
// Set OS mouse position from Dear ImGui if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user)
if (io.WantSetMousePos && focused)
glfwSetCursorPos(bd->Window, (double)mouse_pos_prev.x, (double)mouse_pos_prev.y);
// Set Dear ImGui mouse position from OS position
if (mouse_window != NULL)
{
double mouse_x, mouse_y;
glfwGetCursorPos(mouse_window, &mouse_x, &mouse_y);