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Internals: Columns: Tweaks, renaming. Metrics: Show rectangles for child windows.

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Renamed SameLine() first parameter.
This commit is contained in:
omar 2019-04-17 12:26:51 +02:00
parent 1d3ebef364
commit 1aeee9d40f
5 changed files with 43 additions and 45 deletions
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68
imgui.cpp
View File

@ -6740,21 +6740,21 @@ void ImGui::EndGroup()
}
// Gets back to previous line and continue with horizontal layout
// pos_x == 0 : follow right after previous item
// pos_x != 0 : align to specified x position (relative to window/group left)
// spacing_w < 0 : use default spacing if pos_x == 0, no spacing if pos_x != 0
// spacing_w >= 0 : enforce spacing amount
void ImGui::SameLine(float pos_x, float spacing_w)
// offset_from_start_x == 0 : follow right after previous item
// offset_from_start_x != 0 : align to specified x position (relative to window/group left)
// spacing_w < 0 : use default spacing if pos_x == 0, no spacing if pos_x != 0
// spacing_w >= 0 : enforce spacing amount
void ImGui::SameLine(float offset_from_start_x, float spacing_w)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return;
ImGuiContext& g = *GImGui;
if (pos_x != 0.0f)
if (offset_from_start_x != 0.0f)
{
if (spacing_w < 0.0f) spacing_w = 0.0f;
window->DC.CursorPos.x = window->Pos.x - window->Scroll.x + pos_x + spacing_w + window->DC.GroupOffset.x + window->DC.ColumnsOffset.x;
window->DC.CursorPos.x = window->Pos.x - window->Scroll.x + offset_from_start_x + spacing_w + window->DC.GroupOffset.x + window->DC.ColumnsOffset.x;
window->DC.CursorPos.y = window->DC.CursorPosPrevLine.y;
}
else
@ -8322,13 +8322,13 @@ void ImGui::NextColumn()
columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y);
if (++columns->Current < columns->Count)
{
// Columns 1+ cancel out IndentX
// New column (columns 1+ cancels out IndentX)
window->DC.ColumnsOffset.x = GetColumnOffset(columns->Current) - window->DC.Indent.x + g.Style.ItemSpacing.x;
window->DrawList->ChannelsSetCurrent(columns->Current);
}
else
{
// New line
// New row/line
window->DC.ColumnsOffset.x = 0.0f;
window->DrawList->ChannelsSetCurrent(0);
columns->Current = 0;
@ -8340,7 +8340,7 @@ void ImGui::NextColumn()
window->DC.CurrentLineTextBaseOffset = 0.0f;
PushColumnClipRect();
PushItemWidth(GetColumnWidth() * 0.65f); // FIXME: Move on columns setup
PushItemWidth(GetColumnWidth() * 0.65f); // FIXME-COLUMNS: Move on columns setup
}
int ImGui::GetColumnIndex()
@ -8365,7 +8365,7 @@ static float PixelsToOffsetNorm(const ImGuiColumns* columns, float offset)
return offset / (columns->MaxX - columns->MinX);
}
static inline float GetColumnsRectHalfWidth() { return 4.0f; }
static const float COLUMNS_HIT_RECT_HALF_WIDTH = 4.0f;
static float GetDraggedColumnOffset(ImGuiColumns* columns, int column_index)
{
@ -8376,7 +8376,7 @@ static float GetDraggedColumnOffset(ImGuiColumns* columns, int column_index)
IM_ASSERT(column_index > 0); // We are not supposed to drag column 0.
IM_ASSERT(g.ActiveId == columns->ID + ImGuiID(column_index));
float x = g.IO.MousePos.x - g.ActiveIdClickOffset.x + GetColumnsRectHalfWidth() - window->Pos.x;
float x = g.IO.MousePos.x - g.ActiveIdClickOffset.x + COLUMNS_HIT_RECT_HALF_WIDTH - window->Pos.x;
x = ImMax(x, ImGui::GetColumnOffset(column_index - 1) + g.Style.ColumnsMinSpacing);
if ((columns->Flags & ImGuiColumnsFlags_NoPreserveWidths))
x = ImMin(x, ImGui::GetColumnOffset(column_index + 1) - g.Style.ColumnsMinSpacing);
@ -8515,8 +8515,8 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
const float content_region_width = (window->SizeContentsExplicit.x != 0.0f) ? (window->SizeContentsExplicit.x) : (window->InnerClipRect.Max.x - window->Pos.x);
columns->MinX = window->DC.Indent.x - g.Style.ItemSpacing.x; // Lock our horizontal range
columns->MaxX = ImMax(content_region_width - window->Scroll.x, columns->MinX + 1.0f);
columns->StartPosY = window->DC.CursorPos.y;
columns->StartMaxPosX = window->DC.CursorMaxPos.x;
columns->BackupCursorPosY = window->DC.CursorPos.y;
columns->BackupCursorMaxPosX = window->DC.CursorMaxPos.x;
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);
@ -8573,39 +8573,41 @@ void ImGui::EndColumns()
columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y);
window->DC.CursorPos.y = columns->LineMaxY;
if (!(columns->Flags & ImGuiColumnsFlags_GrowParentContentsSize))
window->DC.CursorMaxPos.x = columns->StartMaxPosX; // Restore cursor max pos, as columns don't grow parent
window->DC.CursorMaxPos.x = columns->BackupCursorMaxPosX; // Restore cursor max pos, as columns don't grow parent
// Draw columns borders and handle resize
bool is_being_resized = false;
if (!(columns->Flags & ImGuiColumnsFlags_NoBorder) && !window->SkipItems)
{
const float y1 = columns->StartPosY;
const float y2 = window->DC.CursorPos.y;
// We clip Y boundaries CPU side because very long triangles are mishandled by some GPU drivers.
const float y1 = ImMax(columns->BackupCursorPosY, window->ClipRect.Min.y);
const float y2 = ImMin(window->DC.CursorPos.y, window->ClipRect.Max.y);
int dragging_column = -1;
for (int n = 1; n < columns->Count; n++)
{
ImGuiColumnData* column = &columns->Columns[n];
float x = window->Pos.x + GetColumnOffset(n);
const ImGuiID column_id = columns->ID + ImGuiID(n);
const float column_hw = GetColumnsRectHalfWidth(); // Half-width for interaction
const ImRect column_rect(ImVec2(x - column_hw, y1), ImVec2(x + column_hw, y2));
const float column_hit_hw = COLUMNS_HIT_RECT_HALF_WIDTH;
const ImRect column_hit_rect(ImVec2(x - column_hit_hw, y1), ImVec2(x + column_hit_hw, y2));
KeepAliveID(column_id);
if (IsClippedEx(column_rect, column_id, false))
if (IsClippedEx(column_hit_rect, column_id, false))
continue;
bool hovered = false, held = false;
if (!(columns->Flags & ImGuiColumnsFlags_NoResize))
{
ButtonBehavior(column_rect, column_id, &hovered, &held);
ButtonBehavior(column_hit_rect, column_id, &hovered, &held);
if (hovered || held)
g.MouseCursor = ImGuiMouseCursor_ResizeEW;
if (held && !(columns->Columns[n].Flags & ImGuiColumnsFlags_NoResize))
if (held && !(column->Flags & ImGuiColumnsFlags_NoResize))
dragging_column = n;
}
// Draw column (we clip the Y boundaries CPU side because very long triangles are mishandled by some GPU drivers.)
// Draw column
const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : hovered ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator);
const float xi = (float)(int)x;
window->DrawList->AddLine(ImVec2(xi, ImMax(y1 + 1.0f, window->ClipRect.Min.y)), ImVec2(xi, ImMin(y2, window->ClipRect.Max.y)), col);
window->DrawList->AddLine(ImVec2(xi, y1 + 1.0f), ImVec2(xi, y2), col);
}
// Apply dragging after drawing the column lines, so our rendered lines are in sync with how items were displayed during the frame.
@ -8634,10 +8636,11 @@ void ImGui::Columns(int columns_count, const char* id, bool border)
ImGuiColumnsFlags flags = (border ? 0 : ImGuiColumnsFlags_NoBorder);
//flags |= ImGuiColumnsFlags_NoPreserveWidths; // NB: Legacy behavior
if (window->DC.CurrentColumns != NULL && window->DC.CurrentColumns->Count == columns_count && window->DC.CurrentColumns->Flags == flags)
ImGuiColumns* columns = window->DC.CurrentColumns;
if (columns != NULL && columns->Count == columns_count && columns->Flags == flags)
return;
if (window->DC.CurrentColumns != NULL)
if (columns != NULL)
EndColumns();
if (columns_count != 1)
@ -9608,15 +9611,8 @@ void ImGui::ShowMetricsWindow(bool* p_open)
static void NodeWindow(ImGuiWindow* window, const char* label)
{
bool node_open = ImGui::TreeNode(window, "%s '%s', %d @ 0x%p", label, window->Name, window->Active || window->WasActive, window);
if (show_windows_rects && ImGui::IsItemHovered())
if (ImDrawList* fg_draw_list = GetForegroundDrawList(window))
{
}
if (!node_open)
if (!ImGui::TreeNode(window, "%s '%s', %d @ 0x%p", label, window->Name, window->Active || window->WasActive, window))
return;
ImGuiWindowFlags flags = window->Flags;
NodeDrawList(window, window->DrawList, "DrawList");
ImGui::BulletText("Pos: (%.1f,%.1f), Size: (%.1f,%.1f), SizeContents (%.1f,%.1f)", window->Pos.x, window->Pos.y, window->Size.x, window->Size.y, window->SizeContents.x, window->SizeContents.y);
@ -9733,7 +9729,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
for (int n = 0; n < g.Windows.Size; n++)
{
ImGuiWindow* window = g.Windows[n];
if ((window->Flags & ImGuiWindowFlags_ChildWindow) || !window->WasActive)
if (!window->WasActive)
continue;
ImDrawList* draw_list = GetForegroundDrawList(window);
if (show_windows_rects)
@ -9746,7 +9742,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
else if (show_windows_rect_type == RT_ContentsRegionRect) { r = window->ContentsRegionRect; }
draw_list->AddRect(r.Min, r.Max, IM_COL32(255, 0, 128, 255));
}
if (show_windows_begin_order)
if (show_windows_begin_order && !(window->Flags & ImGuiWindowFlags_ChildWindow))
{
char buf[32];
ImFormatString(buf, IM_ARRAYSIZE(buf), "%d", window->BeginOrderWithinContext);

2
imgui.h
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@ -332,7 +332,7 @@ namespace ImGui
// - By "cursor" we mean the current output position.
// - The typical widget behavior is to output themselves at the current cursor position, then move the cursor one line down.
IMGUI_API void Separator(); // separator, generally horizontal. inside a menu bar or in horizontal layout mode, this becomes a vertical separator.
IMGUI_API void SameLine(float local_pos_x = 0.0f, float spacing_w = -1.0f); // call between widgets or groups to layout them horizontally. X position given in window coordinates.
IMGUI_API void SameLine(float offset_from_start_x=0.0f, float spacing=-1.0f); // call between widgets or groups to layout them horizontally. X position given in window coordinates.
IMGUI_API void NewLine(); // undo a SameLine() or force a new line when in an horizontal-layout context.
IMGUI_API void Spacing(); // add vertical spacing.
IMGUI_API void Dummy(const ImVec2& size); // add a dummy item of given size. unlike InvisibleButton(), Dummy() won't take the mouse click or be navigable into.

3
imgui_demo.cpp
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@ -252,7 +252,6 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::End();
return;
}
ImGui::Text("dear imgui says hello. (%s)", IMGUI_VERSION);
// Most "big" widgets share a common width settings by default.
//ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.65f); // Use 2/3 of the space for widgets and 1/3 for labels (default)
@ -292,7 +291,9 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::EndMenuBar();
}
ImGui::Text("dear imgui says hello. (%s)", IMGUI_VERSION);
ImGui::Spacing();
if (ImGui::CollapsingHeader("Help"))
{
ImGui::Text("PROGRAMMER GUIDE:");

12
imgui_internal.h
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@ -658,7 +658,7 @@ struct ImGuiColumnData
ImGuiColumnsFlags Flags; // Not exposed
ImRect ClipRect;
ImGuiColumnData() { OffsetNorm = OffsetNormBeforeResize = 0.0f; Flags = 0; }
ImGuiColumnData() { OffsetNorm = OffsetNormBeforeResize = 0.0f; Flags = ImGuiColumnsFlags_None; }
};
struct ImGuiColumns
@ -671,23 +671,23 @@ struct ImGuiColumns
int Count;
float MinX, MaxX;
float LineMinY, LineMaxY;
float StartPosY; // Copy of CursorPos
float StartMaxPosX; // Copy of CursorMaxPos
float BackupCursorPosY; // Backup of CursorPos at the time of BeginColumns()
float BackupCursorMaxPosX; // Backup of CursorMaxPos at the time of BeginColumns()
ImVector<ImGuiColumnData> Columns;
ImGuiColumns() { Clear(); }
void Clear()
{
ID = 0;
Flags = 0;
Flags = ImGuiColumnsFlags_None;
IsFirstFrame = false;
IsBeingResized = false;
Current = 0;
Count = 1;
MinX = MaxX = 0.0f;
LineMinY = LineMaxY = 0.0f;
StartPosY = 0.0f;
StartMaxPosX = 0.0f;
BackupCursorPosY = 0.0f;
BackupCursorMaxPosX = 0.0f;
Columns.clear();
}
};

3
imgui_widgets.cpp
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@ -299,7 +299,8 @@ void ImGui::TextWrapped(const char* fmt, ...)
void ImGui::TextWrappedV(const char* fmt, va_list args)
{
bool need_backup = (GImGui->CurrentWindow->DC.TextWrapPos < 0.0f); // Keep existing wrap position if one is already set
ImGuiWindow* window = GetCurrentWindow();
bool need_backup = (window->DC.TextWrapPos < 0.0f); // Keep existing wrap position if one is already set
if (need_backup)
PushTextWrapPos(0.0f);
TextV(fmt, args);