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Code Releases Wiki Activity

Nav: fixed using NavMenu/windowing select when no window is already focused + cleanup code (#323)

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ocornut 2016-07-31 16:07:58 +02:00
parent 1ecbf73c97
commit e9c881e4de
2 changed files with 36 additions and 19 deletions
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54
imgui.cpp
View File

@ -2358,6 +2358,27 @@ static void SetNavIdMoveMouse(ImGuiID id, const ImRect& rect_rel)
g.NavDisableMouseHover = true;
}
static int FindWindowIndex(ImGuiWindow* window) // FIXME-OPT O(N)
{
ImGuiContext& g = *GImGui;
for (int i = g.Windows.Size-1; i >= 0; i--)
if (g.Windows[i] == window)
return i;
return -1;
}
static ImGuiWindow* FindWindowNavigable(int i_start, int i_stop, int dir) // FIXME-OPT O(N)
{
ImGuiContext& g = *GImGui;
for (int i = i_start; i >= 0 && i < g.Windows.Size && i != i_stop; i += dir)
{
ImGuiWindow* window = g.Windows[i];
if (window->Active && window == window->RootNonPopupWindow && (!(window->Flags & ImGuiWindowFlags_NoNavFocus) || window == g.NavWindow))
return window;
}
return NULL;
}
static void NavUpdate()
{
ImGuiContext& g = *GImGui;
@ -2432,11 +2453,17 @@ static void NavUpdate()
}
// Navigation windowing mode (change focus, move/resize window)
if (!g.NavWindowingTarget && g.NavWindow && IsKeyPressedMap(ImGuiKey_NavMenu, false))
if (!g.NavWindowingTarget && IsKeyPressedMap(ImGuiKey_NavMenu, false))
{
g.NavWindowingTarget = g.NavWindow->RootNonPopupWindow;
g.NavWindowingDisplayAlpha = 0.0f;
g.NavWindowingToggleLayer = true;
ImGuiWindow* window = g.NavWindow;
if (!window)
window = FindWindowNavigable(g.Windows.Size-1, -1, -1);
if (window)
{
g.NavWindowingTarget = window->RootNonPopupWindow;
g.NavWindowingDisplayAlpha = 0.0f;
g.NavWindowingToggleLayer = true;
}
}
if (g.NavWindowingTarget)
{
@ -2450,20 +2477,11 @@ static void NavUpdate()
int focus_change_dir = IsKeyPressedMap(ImGuiKey_NavTweakFaster, true) ? -1 : IsKeyPressedMap(ImGuiKey_NavTweakSlower, true) ? +1 : 0;
if (focus_change_dir != 0 && !(g.NavWindowingTarget->Flags & ImGuiWindowFlags_Modal))
{
// FIXME-NAVIGATION FIXME-OPT: Code is absolutely hideous. Perhaps we should maintain a intrusive linked-list of visible windows.
int i_current = -1;
for (int i = g.Windows.Size-1; i >= 0 && i_current == -1; i--)
if (g.Windows[i] == g.NavWindowingTarget)
i_current = i;
int i_target = -1;
for (int i = i_current+focus_change_dir; i >= 0 && i < g.Windows.Size && i_target == -1; i += focus_change_dir)
if (g.Windows[i]->IsNavigableTo())
i_target = i;
for (int i = (focus_change_dir < 0) ? (g.Windows.Size-1) : 0; i >= 0 && i < g.Windows.Size && i_target == -1 && i_target != i_current; i += focus_change_dir)
if (g.Windows[i]->IsNavigableTo())
i_target = i;
if (i_target != -1 && i_target != i_current) // i_target might be == i_current in rare situation where we only have 1 navigable window
g.NavWindowingTarget = g.Windows[i_target];
const int i_current = FindWindowIndex(g.NavWindowingTarget);
ImGuiWindow* window_target = FindWindowNavigable(i_current + focus_change_dir, -1, focus_change_dir);
if (!window_target)
window_target = FindWindowNavigable((focus_change_dir < 0) ? (g.Windows.Size-1) : 0, i_current, focus_change_dir);
g.NavWindowingTarget = window_target;
g.NavWindowingToggleLayer = false;
g.NavWindowingDisplayAlpha = 1.0f;
}

1
imgui_internal.h
View File

@ -746,7 +746,6 @@ public:
ImRect TitleBarRect() const { return ImRect(Pos, ImVec2(Pos.x + SizeFull.x, Pos.y + TitleBarHeight())); }
float MenuBarHeight() const { return (Flags & ImGuiWindowFlags_MenuBar) ? CalcFontSize() + GImGui->Style.FramePadding.y * 2.0f : 0.0f; }
ImRect MenuBarRect() const { float y1 = Pos.y + TitleBarHeight(); return ImRect(Pos.x, y1, Pos.x + SizeFull.x, y1 + MenuBarHeight()); }
bool IsNavigableTo() const { return Active && this == RootNonPopupWindow && (!(Flags & ImGuiWindowFlags_NoNavFocus) || this == GImGui->NavWindow); }
};
//-----------------------------------------------------------------------------