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Added IsItemVisible(). Made IsClipped() also return false when log is enabled.

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This commit is contained in:
ocornut 2015-04-13 21:52:38 +01:00
parent 16ddd796f3
commit d11b4160aa
2 changed files with 20 additions and 9 deletions
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26
imgui.cpp
View File

@ -491,7 +491,7 @@ static bool ItemAdd(const ImRect& bb, const ImGuiID* id);
static void ItemSize(ImVec2 size, float text_offset_y = 0.0f);
static void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);
static void PushColumnClipRect(int column_index = -1);
static bool IsClipped(const ImRect& bb);
static bool IsClippedEx(const ImRect& bb, bool clip_even_when_logged);
static bool IsMouseHoveringRect(const ImRect& bb);
static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true);
@ -2746,6 +2746,13 @@ bool ImGui::IsAnyItemActive()
return g.ActiveId != 0;
}
bool ImGui::IsItemVisible()
{
ImGuiWindow* window = GetCurrentWindow();
ImRect r(window->ClipRectStack.back());
return r.Overlaps(window->DC.LastItemRect);
}
ImVec2 ImGui::GetItemRectMin()
{
ImGuiWindow* window = GetCurrentWindow();
@ -4245,7 +4252,7 @@ void ImGui::TextUnformatted(const char* text, const char* text_end)
while (line < text_end)
{
const char* line_end = strchr(line, '\n');
if (IsClipped(line_rect))
if (IsClippedEx(line_rect, false))
break;
const ImVec2 line_size = CalcTextSize(line, line_end, false);
@ -7242,20 +7249,23 @@ static inline void ItemSize(const ImRect& bb, float text_offset_y)
ItemSize(bb.GetSize(), text_offset_y);
}
static bool IsClipped(const ImRect& bb)
static bool IsClippedEx(const ImRect& bb, bool clip_even_when_logged)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
if (!bb.Overlaps(ImRect(window->ClipRectStack.back())) && !g.LogEnabled)
return true;
if (!bb.Overlaps(ImRect(window->ClipRectStack.back())))
{
if (clip_even_when_logged || !g.LogEnabled)
return true;
}
return false;
}
bool ImGui::IsClipped(const ImVec2& item_size)
{
ImGuiWindow* window = GetCurrentWindow();
return IsClipped(ImRect(window->DC.CursorPos, window->DC.CursorPos + item_size));
return IsClippedEx(ImRect(window->DC.CursorPos, window->DC.CursorPos + item_size), true);
}
static bool ItemAdd(const ImRect& bb, const ImGuiID* id)
@ -7263,7 +7273,7 @@ static bool ItemAdd(const ImRect& bb, const ImGuiID* id)
ImGuiWindow* window = GetCurrentWindow();
window->DC.LastItemID = id ? *id : 0;
window->DC.LastItemRect = bb;
if (IsClipped(bb))
if (IsClippedEx(bb, false))
{
if (!id || *id != GImGui->ActiveId)
{
@ -7498,7 +7508,7 @@ void ImGui::Columns(int columns_count, const char* id, bool border)
const ImGuiID column_id = window->DC.ColumnsSetID + ImGuiID(i);
const ImRect column_rect(ImVec2(x-4,y1),ImVec2(x+4,y2));
if (IsClipped(column_rect))
if (IsClippedEx(column_rect, false))
continue;
bool hovered, held;

3
imgui.h
View File

@ -373,7 +373,8 @@ namespace ImGui
IMGUI_API bool IsItemHoveredRect(); // was the last item hovered by mouse? even if another item is active while we are hovering this
IMGUI_API bool IsItemActive(); // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false)
IMGUI_API bool IsAnyItemActive(); //
IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item
IMGUI_API bool IsItemVisible();
IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item in screen space
IMGUI_API ImVec2 GetItemRectMax(); // "
IMGUI_API ImVec2 GetItemRectSize(); // "
IMGUI_API bool IsWindowFocused(); // is current window focused (differentiate child windows from each others)