Merge various minor things (supposedly harmless) from Navigation branch into Master to reduce differences. Some code in NewFrame() has been moved around. (#787)

7 years ago · 1f1e63f705
1 changed files with 29 additions and 26 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -751,25 +751,21 @@ ImGuiIO::ImGuiIO()
    IniSavingRate = 5.0f;
    IniFilename = "imgui.ini";
    LogFilename = "imgui_log.txt";
-    Fonts = &GImDefaultFontAtlas;
-    FontGlobalScale = 1.0f;
-    FontDefault = NULL;
-    DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
-    MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
-    MousePosPrev = ImVec2(-FLT_MAX, -FLT_MAX);
    MouseDoubleClickTime = 0.30f;
    MouseDoubleClickMaxDist = 6.0f;
-    MouseDragThreshold = 6.0f;
-    for (int i = 0; i < IM_ARRAYSIZE(MouseDownDuration); i++)
-        MouseDownDuration[i] = MouseDownDurationPrev[i] = -1.0f;
-    for (int i = 0; i < IM_ARRAYSIZE(KeysDownDuration); i++)
-        KeysDownDuration[i] = KeysDownDurationPrev[i] = -1.0f;
    for (int i = 0; i < ImGuiKey_COUNT; i++)
        KeyMap[i] = -1;
    KeyRepeatDelay = 0.250f;
    KeyRepeatRate = 0.050f;
    UserData = NULL;

+    Fonts = &GImDefaultFontAtlas;
+    FontGlobalScale = 1.0f;
+    FontDefault = NULL;
+    FontAllowUserScaling = false;
+    DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
+    DisplayVisibleMin = DisplayVisibleMax = ImVec2(0.0f, 0.0f);
+
    // User functions
    RenderDrawListsFn = NULL;
    MemAllocFn = malloc;
@ -780,6 +776,13 @@ ImGuiIO::ImGuiIO()
    ImeSetInputScreenPosFn = ImeSetInputScreenPosFn_DefaultImpl;
    ImeWindowHandle = NULL;

+    // Input (NB: we already have memset zero the entire structure)
+    MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
+    MousePosPrev = ImVec2(-FLT_MAX, -FLT_MAX);
+    MouseDragThreshold = 6.0f;
+    for (int i = 0; i < IM_ARRAYSIZE(MouseDownDuration); i++) MouseDownDuration[i] = MouseDownDurationPrev[i] = -1.0f;
+    for (int i = 0; i < IM_ARRAYSIZE(KeysDownDuration); i++) KeysDownDuration[i] = KeysDownDurationPrev[i] = -1.0f;
+
    // Set OS X style defaults based on __APPLE__ compile time flag
 #ifdef __APPLE__
    OSXBehaviors = true;
@ -1768,14 +1771,13 @@ ImGuiWindow::ImGuiWindow(const char* name)
    Name = ImStrdup(name);
    ID = ImHash(name, 0);
    IDStack.push_back(ID);
-    MoveId = GetID("#MOVE");
-
    Flags = 0;
    OrderWithinParent = 0;
    PosFloat = Pos = ImVec2(0.0f, 0.0f);
    Size = SizeFull = ImVec2(0.0f, 0.0f);
    SizeContents = SizeContentsExplicit = ImVec2(0.0f, 0.0f);
    WindowPadding = ImVec2(0.0f, 0.0f);
+    MoveId = GetID("#MOVE");
    Scroll = ImVec2(0.0f, 0.0f);
    ScrollTarget = ImVec2(FLT_MAX, FLT_MAX);
    ScrollTargetCenterRatio = ImVec2(0.5f, 0.5f);
@ -2156,6 +2158,20 @@ void ImGui::NewFrame()
    g.RenderDrawData.CmdLists = NULL;
    g.RenderDrawData.CmdListsCount = g.RenderDrawData.TotalVtxCount = g.RenderDrawData.TotalIdxCount = 0;

+    // Clear reference to active widget if the widget isn't alive anymore
+    g.HoveredIdPreviousFrame = g.HoveredId;
+    g.HoveredId = 0;
+    g.HoveredIdAllowOverlap = false;
+    if (!g.ActiveIdIsAlive && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0)
+        ClearActiveID();
+    g.ActiveIdPreviousFrame = g.ActiveId;
+    g.ActiveIdIsAlive = false;
+    g.ActiveIdIsJustActivated = false;
+    // Update keyboard input state
+    memcpy(g.IO.KeysDownDurationPrev, g.IO.KeysDownDuration, sizeof(g.IO.KeysDownDuration));
+    for (int i = 0; i < IM_ARRAYSIZE(g.IO.KeysDown); i++)
+        g.IO.KeysDownDuration[i] = g.IO.KeysDown[i] ? (g.IO.KeysDownDuration[i] < 0.0f ? 0.0f : g.IO.KeysDownDuration[i] + g.IO.DeltaTime) : -1.0f;
+
    // Update mouse input state
    // If mouse just appeared or disappeared (usually denoted by -FLT_MAX component, but in reality we test for -256000.0f) we cancel out movement in MouseDelta
    if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MousePosPrev))
@ -2190,9 +2206,6 @@ void ImGui::NewFrame()
            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
        }
    }
-    memcpy(g.IO.KeysDownDurationPrev, g.IO.KeysDownDuration, sizeof(g.IO.KeysDownDuration));
-    for (int i = 0; i < IM_ARRAYSIZE(g.IO.KeysDown); i++)
-        g.IO.KeysDownDuration[i] = g.IO.KeysDown[i] ? (g.IO.KeysDownDuration[i] < 0.0f ? 0.0f : g.IO.KeysDownDuration[i] + g.IO.DeltaTime) : -1.0f;

    // Calculate frame-rate for the user, as a purely luxurious feature
    g.FramerateSecPerFrameAccum += g.IO.DeltaTime - g.FramerateSecPerFrame[g.FramerateSecPerFrameIdx];
@ -2200,16 +2213,6 @@ void ImGui::NewFrame()
    g.FramerateSecPerFrameIdx = (g.FramerateSecPerFrameIdx + 1) % IM_ARRAYSIZE(g.FramerateSecPerFrame);
    g.IO.Framerate = 1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame));

-    // Clear reference to active widget if the widget isn't alive anymore
-    g.HoveredIdPreviousFrame = g.HoveredId;
-    g.HoveredId = 0;
-    g.HoveredIdAllowOverlap = false;
-    if (!g.ActiveIdIsAlive && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0)
-        ClearActiveID();
-    g.ActiveIdPreviousFrame = g.ActiveId;
-    g.ActiveIdIsAlive = false;
-    g.ActiveIdIsJustActivated = false;
-
    // Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering). Only valid for root windows.
    if (g.MovedWindowMoveId && g.MovedWindowMoveId == g.ActiveId)
    {