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Internals: Columns: Poke into WorkRect and use them in the GetContentRegionMax() functions. This should be a no-op, but preparing us to transition toward using WorkRect instead of ContentRegionRect.

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Removed one use of ContentsRegionRect.
This commit is contained in:
omar 2019-06-10 21:43:05 +02:00
parent e9b92d1cef
commit ae2c9f7101
2 changed files with 26 additions and 12 deletions
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35
imgui.cpp
View File

@ -2249,8 +2249,8 @@ static void SetCursorPosYAndSetupDummyPrevLine(float pos_y, float line_height)
ImGuiWindow* window = ImGui::GetCurrentWindow();
window->DC.CursorPosPrevLine.y = window->DC.CursorPos.y - line_height; // Setting those fields so that SetScrollHereY() can properly function after the end of our clipper usage.
window->DC.PrevLineSize.y = (line_height - GImGui->Style.ItemSpacing.y); // If we end up needing more accurate data (to e.g. use SameLine) we may as well make the clipper have a fourth step to let user process and display the last item in their list.
if (window->DC.CurrentColumns)
window->DC.CurrentColumns->LineMinY = window->DC.CursorPos.y; // Setting this so that cell Y position are set properly
if (ImGuiColumns* columns = window->DC.CurrentColumns)
columns->LineMinY = window->DC.CursorPos.y; // Setting this so that cell Y position are set properly
}
// Use case A: Begin() called from constructor with items_height<0, then called again from Sync() in StepNo 1
@ -3423,7 +3423,7 @@ void ImGui::UpdateMouseWheel()
const bool scroll_allowed = !(window->Flags & ImGuiWindowFlags_NoScrollWithMouse) && !(window->Flags & ImGuiWindowFlags_NoMouseInputs);
if (scroll_allowed && (g.IO.MouseWheel != 0.0f || g.IO.MouseWheelH != 0.0f) && !g.IO.KeyCtrl)
{
ImVec2 max_step = (window->ContentsRegionRect.GetSize() + window->WindowPadding * 2.0f) * 0.67f;
ImVec2 max_step = window->InnerRect.GetSize() * 0.67f;
// Vertical Mouse Wheel Scrolling (hold Shift to scroll horizontally)
if (g.IO.MouseWheel != 0.0f && !g.IO.KeyShift)
@ -5872,7 +5872,7 @@ void ImGui::End()
ImGuiWindow* window = g.CurrentWindow;
if (window->DC.CurrentColumns != NULL)
if (window->DC.CurrentColumns)
EndColumns();
PopClipRect(); // Inner window clip rectangle
@ -6649,7 +6649,7 @@ ImVec2 ImGui::GetContentRegionMax()
ImGuiWindow* window = GImGui->CurrentWindow;
ImVec2 mx = window->ContentsRegionRect.Max - window->Pos;
if (window->DC.CurrentColumns)
mx.x = GetColumnOffset(window->DC.CurrentColumns->Current + 1) - window->WindowPadding.x;
mx.x = window->WorkRect.Max.x - window->Pos.x;
return mx;
}
@ -6659,7 +6659,7 @@ ImVec2 ImGui::GetContentRegionMaxAbs()
ImGuiWindow* window = GImGui->CurrentWindow;
ImVec2 mx = window->ContentsRegionRect.Max;
if (window->DC.CurrentColumns)
mx.x = window->Pos.x + GetColumnOffset(window->DC.CurrentColumns->Current + 1) - window->WindowPadding.x;
mx.x = window->WorkRect.Max.x;
return mx;
}
@ -6672,19 +6672,19 @@ ImVec2 ImGui::GetContentRegionAvail()
// In window space (not screen space!)
ImVec2 ImGui::GetWindowContentRegionMin()
{
ImGuiWindow* window = GetCurrentWindowRead();
ImGuiWindow* window = GImGui->CurrentWindow;
return window->ContentsRegionRect.Min - window->Pos;
}
ImVec2 ImGui::GetWindowContentRegionMax()
{
ImGuiWindow* window = GetCurrentWindowRead();
ImGuiWindow* window = GImGui->CurrentWindow;
return window->ContentsRegionRect.Max - window->Pos;
}
float ImGui::GetWindowContentRegionWidth()
{
ImGuiWindow* window = GetCurrentWindowRead();
ImGuiWindow* window = GImGui->CurrentWindow;
return window->ContentsRegionRect.GetWidth();
}
@ -8655,7 +8655,13 @@ void ImGui::NextColumn()
window->DC.CurrLineTextBaseOffset = 0.0f;
PushColumnClipRect(columns->Current); // FIXME-COLUMNS: Could it be an overwrite?
PushItemWidth(GetColumnWidth() * 0.65f); // FIXME-COLUMNS: Move on columns setup
// FIXME-COLUMNS: Share code with BeginColumns() - move code on columns setup.
float offset_0 = GetColumnOffset(columns->Current);
float offset_1 = GetColumnOffset(columns->Current + 1);
float width = offset_1 - offset_0;
PushItemWidth(width * 0.65f);
window->WorkRect.Max.x = window->Pos.x + offset_1 - window->WindowPadding.x;
}
int ImGui::GetColumnIndex()
@ -8851,6 +8857,7 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
columns->HostCursorPosY = window->DC.CursorPos.y;
columns->HostCursorMaxPosX = window->DC.CursorMaxPos.x;
columns->HostClipRect = window->ClipRect;
columns->HostWorkRect = window->WorkRect;
columns->LineMinY = columns->LineMaxY = window->DC.CursorPos.y;
window->DC.ColumnsOffset.x = 0.0f;
window->DC.CursorPos.x = (float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x);
@ -8888,7 +8895,12 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
window->DrawList->ChannelsSetCurrent(1);
PushColumnClipRect(0);
}
PushItemWidth(GetColumnWidth() * 0.65f);
float offset_0 = GetColumnOffset(columns->Current);
float offset_1 = GetColumnOffset(columns->Current + 1);
float width = offset_1 - offset_0;
PushItemWidth(width * 0.65f);
window->WorkRect.Max.x = window->Pos.x + offset_1 - window->WindowPadding.x;
}
void ImGui::EndColumns()
@ -8960,6 +8972,7 @@ void ImGui::EndColumns()
}
columns->IsBeingResized = is_being_resized;
window->WorkRect = columns->HostWorkRect;
window->DC.CurrentColumns = NULL;
window->DC.ColumnsOffset.x = 0.0f;
window->DC.CursorPos.x = (float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x);

3
imgui_internal.h
View File

@ -703,6 +703,7 @@ struct ImGuiColumns
float HostCursorPosY; // Backup of CursorPos at the time of BeginColumns()
float HostCursorMaxPosX; // Backup of CursorMaxPos at the time of BeginColumns()
ImRect HostClipRect; // Backup of ClipRect at the time of BeginColumns()
ImRect HostWorkRect; // Backup of WorkRect at the time of BeginColumns()
ImVector<ImGuiColumnData> Columns;
ImGuiColumns() { Clear(); }
@ -1298,7 +1299,7 @@ struct IMGUI_API ImGuiWindow
// The best way to understand what those rectangles are is to use the 'Metrics -> Tools -> Show windows rectangles' viewer.
// The main 'OuterRect', omitted as a field, is window->Rect().
ImRect OuterRectClipped; // == Window->Rect() just after setup in Begin(). == window->Rect() for root window.
ImRect InnerRect; // Inner rectangle (omit title bar, menu bar)
ImRect InnerRect; // Inner rectangle (omit title bar, menu bar, scroll bar)
ImRect InnerClipRect; // == InnerRect shrunk by WindowPadding*0.5f on each side, clipped within viewport or parent clip rect.
ImRect WorkRect; // Cover the whole scrolling region, shrunk by WindowPadding*1.0f on each side. This is meant to replace ContentsRegionRect over time (from 1.71+ onward).
ImRect ClipRect; // Current clipping/scissoring rectangle, evolve as we are using PushClipRect(), etc. == DrawList->clip_rect_stack.back().