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Internals: NextWindow: Renamed, moved functions to member.

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This commit is contained in:
omar 2018-01-03 12:28:16 +01:00
parent e339949de1
commit 7fcbd45500
2 changed files with 56 additions and 61 deletions
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110
imgui.cpp
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@ -642,7 +642,6 @@ static void SetWindowSize(ImGuiWindow* window, const ImVec2& size, I
static void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond);
static ImGuiWindow* FindHoveredWindow(ImVec2 pos);
static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags);
static void ClearSetNextWindowData();
static void CheckStacksSize(ImGuiWindow* window, bool write);
static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window);
@ -2632,8 +2631,6 @@ void ImGui::Shutdown()
g.FontStack.clear();
g.OpenPopupStack.clear();
g.CurrentPopupStack.clear();
g.NextWindow.SizeConstraintCallback = NULL;
g.NextWindow.SizeConstraintCallbackUserData = NULL;
for (int i = 0; i < IM_ARRAYSIZE(g.RenderDrawLists); i++)
g.RenderDrawLists[i].clear();
g.OverlayDrawList.ClearFreeMemory();
@ -3816,19 +3813,12 @@ void ImGui::CloseCurrentPopup()
ClosePopupToLevel(popup_idx);
}
static inline void ClearSetNextWindowData()
{
// FIXME-OPT
ImGuiContext& g = *GImGui;
g.NextWindow.PosCond = g.NextWindow.SizeCond = g.NextWindow.ContentSizeCond = g.NextWindow.CollapsedCond = g.NextWindow.SizeConstraintCond = g.NextWindow.FocusCond = 0;
}
bool ImGui::BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags)
{
ImGuiContext& g = *GImGui;
if (!IsPopupOpen(id))
{
ClearSetNextWindowData(); // We behave like Begin() and need to consume those values
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
@ -3850,7 +3840,7 @@ bool ImGui::BeginPopup(const char* str_id)
ImGuiContext& g = *GImGui;
if (g.OpenPopupStack.Size <= g.CurrentPopupStack.Size) // Early out for performance
{
ClearSetNextWindowData(); // We behave like Begin() and need to consume those values
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
return BeginPopupEx(g.CurrentWindow->GetID(str_id), ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
@ -3875,12 +3865,12 @@ bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags ext
const ImGuiID id = window->GetID(name);
if (!IsPopupOpen(id))
{
ClearSetNextWindowData(); // We behave like Begin() and need to consume those values
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
// Center modal windows by default
if (g.NextWindow.PosCond == 0)
if (g.NextWindowData.PosCond == 0)
SetNextWindowPos(g.IO.DisplaySize * 0.5f, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
ImGuiWindowFlags flags = extra_flags|ImGuiWindowFlags_Popup|ImGuiWindowFlags_Modal|ImGuiWindowFlags_NoCollapse|ImGuiWindowFlags_NoSavedSettings;
@ -4192,20 +4182,20 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFl
static ImVec2 CalcSizeAfterConstraint(ImGuiWindow* window, ImVec2 new_size)
{
ImGuiContext& g = *GImGui;
if (g.NextWindow.SizeConstraintCond != 0)
if (g.NextWindowData.SizeConstraintCond != 0)
{
// Using -1,-1 on either X/Y axis to preserve the current size.
ImRect cr = g.NextWindow.SizeConstraintRect;
ImRect cr = g.NextWindowData.SizeConstraintRect;
new_size.x = (cr.Min.x >= 0 && cr.Max.x >= 0) ? ImClamp(new_size.x, cr.Min.x, cr.Max.x) : window->SizeFull.x;
new_size.y = (cr.Min.y >= 0 && cr.Max.y >= 0) ? ImClamp(new_size.y, cr.Min.y, cr.Max.y) : window->SizeFull.y;
if (g.NextWindow.SizeConstraintCallback)
if (g.NextWindowData.SizeConstraintCallback)
{
ImGuiSizeConstraintCallbackData data;
data.UserData = g.NextWindow.SizeConstraintCallbackUserData;
data.UserData = g.NextWindowData.SizeConstraintCallbackUserData;
data.Pos = window->Pos;
data.CurrentSize = window->SizeFull;
data.DesiredSize = new_size;
g.NextWindow.SizeConstraintCallback(&data);
g.NextWindowData.SizeConstraintCallback(&data);
new_size = data.DesiredSize;
}
}
@ -4351,7 +4341,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
ImGuiWindow* window = FindWindowByName(name);
if (!window)
{
ImVec2 size_on_first_use = (g.NextWindow.SizeCond != 0) ? g.NextWindow.SizeVal : ImVec2(0.0f, 0.0f); // Any condition flag will do since we are creating a new window here.
ImVec2 size_on_first_use = (g.NextWindowData.SizeCond != 0) ? g.NextWindowData.SizeVal : ImVec2(0.0f, 0.0f); // Any condition flag will do since we are creating a new window here.
window = CreateNewWindow(name, size_on_first_use, flags);
}
@ -4396,50 +4386,50 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Process SetNextWindow***() calls
bool window_pos_set_by_api = false;
bool window_size_x_set_by_api = false, window_size_y_set_by_api = false;
if (g.NextWindow.PosCond)
if (g.NextWindowData.PosCond)
{
window_pos_set_by_api = (window->SetWindowPosAllowFlags & g.NextWindow.PosCond) != 0;
if (window_pos_set_by_api && ImLengthSqr(g.NextWindow.PosPivotVal) > 0.00001f)
window_pos_set_by_api = (window->SetWindowPosAllowFlags & g.NextWindowData.PosCond) != 0;
if (window_pos_set_by_api && ImLengthSqr(g.NextWindowData.PosPivotVal) > 0.00001f)
{
// May be processed on the next frame if this is our first frame and we are measuring size
// FIXME: Look into removing the branch so everything can go through this same code path for consistency.
window->SetWindowPosVal = g.NextWindow.PosVal;
window->SetWindowPosPivot = g.NextWindow.PosPivotVal;
window->SetWindowPosVal = g.NextWindowData.PosVal;
window->SetWindowPosPivot = g.NextWindowData.PosPivotVal;
window->SetWindowPosAllowFlags &= ~(ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing);
}
else
{
SetWindowPos(window, g.NextWindow.PosVal, g.NextWindow.PosCond);
SetWindowPos(window, g.NextWindowData.PosVal, g.NextWindowData.PosCond);
}
g.NextWindow.PosCond = 0;
g.NextWindowData.PosCond = 0;
}
if (g.NextWindow.SizeCond)
if (g.NextWindowData.SizeCond)
{
window_size_x_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindow.SizeCond) != 0 && (g.NextWindow.SizeVal.x > 0.0f);
window_size_y_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindow.SizeCond) != 0 && (g.NextWindow.SizeVal.y > 0.0f);
SetWindowSize(window, g.NextWindow.SizeVal, g.NextWindow.SizeCond);
g.NextWindow.SizeCond = 0;
window_size_x_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.x > 0.0f);
window_size_y_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.y > 0.0f);
SetWindowSize(window, g.NextWindowData.SizeVal, g.NextWindowData.SizeCond);
g.NextWindowData.SizeCond = 0;
}
if (g.NextWindow.ContentSizeCond)
if (g.NextWindowData.ContentSizeCond)
{
// Adjust passed "client size" to become a "window size"
window->SizeContentsExplicit = g.NextWindow.ContentSizeVal;
window->SizeContentsExplicit = g.NextWindowData.ContentSizeVal;
window->SizeContentsExplicit.y += window->TitleBarHeight() + window->MenuBarHeight();
g.NextWindow.ContentSizeCond = 0;
g.NextWindowData.ContentSizeCond = 0;
}
else if (first_begin_of_the_frame)
{
window->SizeContentsExplicit = ImVec2(0.0f, 0.0f);
}
if (g.NextWindow.CollapsedCond)
if (g.NextWindowData.CollapsedCond)
{
SetWindowCollapsed(window, g.NextWindow.CollapsedVal, g.NextWindow.CollapsedCond);
g.NextWindow.CollapsedCond = 0;
SetWindowCollapsed(window, g.NextWindowData.CollapsedVal, g.NextWindowData.CollapsedCond);
g.NextWindowData.CollapsedCond = 0;
}
if (g.NextWindow.FocusCond)
if (g.NextWindowData.FocusCond)
{
SetWindowFocus();
g.NextWindow.FocusCond = 0;
g.NextWindowData.FocusCond = 0;
}
if (window->Appearing)
SetWindowConditionAllowFlags(window, ImGuiCond_Appearing, false);
@ -4939,7 +4929,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->WriteAccessed = false;
window->BeginCount++;
g.NextWindow.SizeConstraintCond = 0;
g.NextWindowData.SizeConstraintCond = 0;
// Child window can be out of sight and have "negative" clip windows.
// Mark them as collapsed so commands are skipped earlier (we can't manually collapse because they have no title bar).
@ -5701,45 +5691,45 @@ void ImGui::SetWindowFocus(const char* name)
void ImGui::SetNextWindowPos(const ImVec2& pos, ImGuiCond cond, const ImVec2& pivot)
{
ImGuiContext& g = *GImGui;
g.NextWindow.PosVal = pos;
g.NextWindow.PosPivotVal = pivot;
g.NextWindow.PosCond = cond ? cond : ImGuiCond_Always;
g.NextWindowData.PosVal = pos;
g.NextWindowData.PosPivotVal = pivot;
g.NextWindowData.PosCond = cond ? cond : ImGuiCond_Always;
}
void ImGui::SetNextWindowSize(const ImVec2& size, ImGuiCond cond)
{
ImGuiContext& g = *GImGui;
g.NextWindow.SizeVal = size;
g.NextWindow.SizeCond = cond ? cond : ImGuiCond_Always;
g.NextWindowData.SizeVal = size;
g.NextWindowData.SizeCond = cond ? cond : ImGuiCond_Always;
}
void ImGui::SetNextWindowSizeConstraints(const ImVec2& size_min, const ImVec2& size_max, ImGuiSizeConstraintCallback custom_callback, void* custom_callback_user_data)
{
ImGuiContext& g = *GImGui;
g.NextWindow.SizeConstraintCond = ImGuiCond_Always;
g.NextWindow.SizeConstraintRect = ImRect(size_min, size_max);
g.NextWindow.SizeConstraintCallback = custom_callback;
g.NextWindow.SizeConstraintCallbackUserData = custom_callback_user_data;
g.NextWindowData.SizeConstraintCond = ImGuiCond_Always;
g.NextWindowData.SizeConstraintRect = ImRect(size_min, size_max);
g.NextWindowData.SizeConstraintCallback = custom_callback;
g.NextWindowData.SizeConstraintCallbackUserData = custom_callback_user_data;
}
void ImGui::SetNextWindowContentSize(const ImVec2& size)
{
ImGuiContext& g = *GImGui;
g.NextWindow.ContentSizeVal = size; // In Begin() we will add the size of window decorations (title bar, menu etc.) to that to form a SizeContents value.
g.NextWindow.ContentSizeCond = ImGuiCond_Always;
g.NextWindowData.ContentSizeVal = size; // In Begin() we will add the size of window decorations (title bar, menu etc.) to that to form a SizeContents value.
g.NextWindowData.ContentSizeCond = ImGuiCond_Always;
}
void ImGui::SetNextWindowCollapsed(bool collapsed, ImGuiCond cond)
{
ImGuiContext& g = *GImGui;
g.NextWindow.CollapsedVal = collapsed;
g.NextWindow.CollapsedCond = cond ? cond : ImGuiCond_Always;
g.NextWindowData.CollapsedVal = collapsed;
g.NextWindowData.CollapsedCond = cond ? cond : ImGuiCond_Always;
}
void ImGui::SetNextWindowFocus()
{
ImGuiContext& g = *GImGui;
g.NextWindow.FocusCond = ImGuiCond_Always;
g.NextWindowData.FocusCond = ImGuiCond_Always;
}
// In window space (not screen space!)
@ -9162,8 +9152,8 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
{
// Always consume the SetNextWindowSizeConstraint() call in our early return paths
ImGuiContext& g = *GImGui;
ImGuiCond backup_next_window_size_constraint = g.NextWindow.SizeConstraintCond;
g.NextWindow.SizeConstraintCond = 0;
ImGuiCond backup_next_window_size_constraint = g.NextWindowData.SizeConstraintCond;
g.NextWindowData.SizeConstraintCond = 0;
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
@ -9205,8 +9195,8 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
if (backup_next_window_size_constraint)
{
g.NextWindow.SizeConstraintCond = backup_next_window_size_constraint;
g.NextWindow.SizeConstraintRect.Min.x = ImMax(g.NextWindow.SizeConstraintRect.Min.x, w);
g.NextWindowData.SizeConstraintCond = backup_next_window_size_constraint;
g.NextWindowData.SizeConstraintRect.Min.x = ImMax(g.NextWindowData.SizeConstraintRect.Min.x, w);
}
else
{
@ -9268,7 +9258,7 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
items_getter(data, *current_item, &preview_text);
// The old Combo() API exposed "popup_max_height_in_items", however the new more general BeginCombo() API doesn't, so we emulate it here.
if (popup_max_height_in_items != -1 && !g.NextWindow.SizeConstraintCond)
if (popup_max_height_in_items != -1 && !g.NextWindowData.SizeConstraintCond)
{
float popup_max_height = CalcMaxPopupHeightFromItemCount(popup_max_height_in_items);
SetNextWindowSizeConstraints(ImVec2(0,0), ImVec2(FLT_MAX, popup_max_height));

7
imgui_internal.h
View File

@ -487,6 +487,11 @@ struct ImGuiNextWindowData
SizeConstraintCallback = NULL;
SizeConstraintCallbackUserData = NULL;
}
void Clear()
{
PosCond = SizeCond = ContentSizeCond = CollapsedCond = SizeConstraintCond = FocusCond = 0;
}
};
// Main state for ImGui
@ -532,7 +537,7 @@ struct ImGuiContext
ImVector<ImFont*> FontStack; // Stack for PushFont()/PopFont()
ImVector<ImGuiPopupRef> OpenPopupStack; // Which popups are open (persistent)
ImVector<ImGuiPopupRef> CurrentPopupStack; // Which level of BeginPopup() we are in (reset every frame)
ImGuiNextWindowData NextWindow; // Storage for SetNextWindow** functions
ImGuiNextWindowData NextWindowData; // Storage for SetNextWindow** functions
bool NextTreeNodeOpenVal; // Storage for SetNextTreeNode** functions
ImGuiCond NextTreeNodeOpenCond;