github
/
imgui
mirror of https://github.com/ocornut/imgui.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Added GetContentRegionAvail() helper

pull/291/head
ocornut 9 years ago
parent
1b0a8f9ac3
commit
155873a6b0
3 changed files with 18 additions and 10 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 23
      imgui.cpp
  2. 1
      imgui.h
  3. 4
      imgui_demo.cpp

23
imgui.cpp
View File

@ -3051,20 +3051,19 @@ bool ImGui::BeginChild(const char* str_id, const ImVec2& size_arg, bool border,
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
const ImVec2 content_max = window->Pos + ImGui::GetContentRegionMax();
const ImVec2 cursor_pos = window->Pos + ImGui::GetCursorPos();
const ImVec2 content_avail = ImGui::GetContentRegionAvail();
ImVec2 size = size_arg;
if (size.x <= 0.0f)
{
if (size.x == 0.0f)
flags |= ImGuiWindowFlags_ChildWindowAutoFitX;
size.x = ImMax(content_max.x - cursor_pos.x, 4.0f) - fabsf(size.x); // Arbitrary minimum zeroish child size of 4.0f
size.x = ImMax(content_avail.x, 4.0f) - fabsf(size.x); // Arbitrary minimum zero-ish child size of 4.0f (0.0f causing too much issues)
}
if (size.y <= 0.0f)
{
if (size.y == 0.0f)
flags |= ImGuiWindowFlags_ChildWindowAutoFitY;
size.y = ImMax(content_max.y - cursor_pos.y, 4.0f) - fabsf(size.y);
size.y = ImMax(content_avail.y, 4.0f) - fabsf(size.y);
}
if (border)
flags |= ImGuiWindowFlags_ShowBorders;
@ -3969,7 +3968,7 @@ float ImGui::CalcItemWidth()
{
// Align to a right-side limit. We include 1 frame padding in the calculation because this is how the width is always used (we add 2 frame padding to it), but we could move that responsibility to the widget as well.
ImGuiState& g = *GImGui;
float width_to_right_edge = window->Pos.x + ImGui::GetContentRegionMax().x - window->DC.CursorPos.x;
float width_to_right_edge = ImGui::GetContentRegionAvail().x;
w = ImMax(1.0f, width_to_right_edge + w - g.Style.FramePadding.x * 2.0f);
}
w = (float)(int)w;
@ -4398,6 +4397,7 @@ void ImGui::SetNextWindowFocus()
g.SetNextWindowFocus = true;
}
// In window space (not screen space!)
ImVec2 ImGui::GetContentRegionMax()
{
ImGuiWindow* window = GetCurrentWindow();
@ -4409,6 +4409,13 @@ ImVec2 ImGui::GetContentRegionMax()
return mx;
}
inline ImVec2 ImGui::GetContentRegionAvail()
{
ImGuiWindow* window = GetCurrentWindow();
return GetContentRegionMax() - (window->DC.CursorPos - window->Pos);
}
// In window space (not screen space!)
ImVec2 ImGui::GetWindowContentRegionMin()
{
ImGuiWindow* window = GetCurrentWindow();
@ -7730,11 +7737,11 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected, boo
return false;
ImGuiState& g = *GImGui;
ImVec2 pos = ImGui::GetCursorScreenPos();
ImVec2 pos = window->DC.CursorPos;
ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f);
float w = window->MenuColumns.DeclColumns(label_size.x, shortcut_size.x, (float)(int)(g.FontSize * 1.20f)); // Feedback for next frame
float extra_w = ImMax(0.0f, window->Pos.x + ImGui::GetContentRegionMax().x - pos.x - w);
float extra_w = ImMax(0.0f, ImGui::GetContentRegionAvail().x - w);
bool pressed = ImGui::Selectable(label, false, ImGuiSelectableFlags_MenuItem | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f));
if (shortcut_size.x > 0.0f)
@ -7858,7 +7865,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
{
popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
float w = window->MenuColumns.DeclColumns(label_size.x, 0.0f, (float)(int)(g.FontSize * 1.20f)); // Feedback to next frame
float extra_w = ImMax(0.0f, window->Pos.x + ImGui::GetContentRegionMax().x - pos.x - w);
float extra_w = ImMax(0.0f, ImGui::GetContentRegionAvail().x - w);
pressed = ImGui::Selectable(label, opened, ImGuiSelectableFlags_Menu | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f));
if (!enabled) ImGui::PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
RenderCollapseTriangle(pos + ImVec2(window->MenuColumns.Pos[2] + extra_w + g.FontSize * 0.20f, 0.0f), false);

1
imgui.h
View File

@ -115,6 +115,7 @@ namespace ImGui
IMGUI_API bool BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0); // "
IMGUI_API void EndChild();
IMGUI_API ImVec2 GetContentRegionMax(); // window or current column boundaries, in windows coordinates
IMGUI_API ImVec2 GetContentRegionAvail(); // == GetContentRegionMax() - GetCursorPos()
IMGUI_API ImVec2 GetWindowContentRegionMin(); // window boundaries, in windows coordinates
IMGUI_API ImVec2 GetWindowContentRegionMax();
IMGUI_API ImDrawList* GetWindowDrawList(); // get rendering command-list if you want to append your own draw primitives

4
imgui_demo.cpp
View File

@ -719,7 +719,7 @@ void ImGui::ShowTestWindow(bool* opened)
ImGui::NextColumn();
char buf[32];
sprintf(buf, "%08x", i*5731);
ImGui::Button(buf, ImVec2(ImGui::GetContentRegionMax().x - ImGui::GetCursorPosX(), 0.0f));
ImGui::Button(buf, ImVec2(-1.0f, 0.0f));
}
ImGui::EndChild();
ImGui::PopStyleVar();
@ -1630,7 +1630,7 @@ static void ShowExampleAppCustomRendering(bool* opened)
// However you can draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos().
// If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max).
ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
ImVec2 canvas_size = ImVec2(ImGui::GetContentRegionMax().x-ImGui::GetCursorPos().x, ImGui::GetContentRegionMax().y-ImGui::GetCursorPos().y); // Resize canvas what's available
ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
if (canvas_size.x < 50.0f) canvas_size.x = 50.0f;
if (canvas_size.y < 50.0f) canvas_size.y = 50.0f;
draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), ImColor(0,0,0), ImColor(255,0,0), ImColor(255,255,0), ImColor(0,255,0));

Write Preview
Loading…
Cancel
Save