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Fixed animated window titles from being updated when displayed in the CTRL+Tab list. + Adding overkill helpers for reusing buffers. (#787)
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1ae7f88495
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@ -66,6 +66,7 @@ Other Changes:
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- InputFloat: When using ImGuiInputTextFlags_ReadOnly the step buttons are disabled. (#2257)
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- Nav: Fixed an keyboard issue where holding Activate/Space for longer than two frames on a button would unnecessary
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keep the focus on the parent window, which could steal it from newly appearing windows. (#787)
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- Nav: Fixed animated window titles from being updated when displayed in the CTRL+Tab list. (#787)
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- Error recovery: Extraneous/undesired calls to End() are now being caught by an assert in the End() function closer
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to the user call site (instead of being reported in EndFrame). Past the assert, they don't lead to crashes any more. (#1651)
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Missing calls to End(), past the assert, should not lead to crashes or to the fallback Debug window appearing on screen.
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39
imgui.cpp
39
imgui.cpp
@ -1259,11 +1259,25 @@ void ImStrncpy(char* dst, const char* src, size_t count)
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dst[count-1] = 0;
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}
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char* ImStrdup(const char *str)
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char* ImStrdup(const char* str)
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{
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size_t len = strlen(str) + 1;
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void* buf = ImGui::MemAlloc(len);
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return (char*)memcpy(buf, (const void*)str, len);
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size_t len = strlen(str);
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void* buf = ImGui::MemAlloc(len + 1);
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return (char*)memcpy(buf, (const void*)str, len + 1);
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}
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char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* src)
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{
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size_t dst_buf_size = p_dst_size ? *p_dst_size : strlen(dst) + 1;
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size_t src_size = strlen(src) + 1;
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if (dst_buf_size < src_size)
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{
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ImGui::MemFree(dst);
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dst = (char*)ImGui::MemAlloc(src_size);
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if (p_dst_size)
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*p_dst_size = src_size;
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}
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return (char*)memcpy(dst, (const void*)src, src_size);
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}
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const char* ImStrchrRange(const char* str, const char* str_end, char c)
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@ -1367,7 +1381,9 @@ int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args)
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}
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#endif // #ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
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// Pass data_size==0 for zero-terminated strings
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// Pass data_size == 0 for zero-terminated strings, data_size > 0 for non-string data.
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// Pay attention that data_size==0 will yield different results than passing strlen(data) because the zero-terminated codepath handles ###.
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// This should technically be split into two distinct functions (ImHashData/ImHashStr), perhaps once we remove the silly static variable.
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// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements.
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ImU32 ImHash(const void* data, int data_size, ImU32 seed)
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{
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@ -2391,6 +2407,7 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name)
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WindowPadding = ImVec2(0.0f, 0.0f);
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WindowRounding = 0.0f;
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WindowBorderSize = 0.0f;
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NameBufLen = (int)strlen(name) + 1;
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MoveId = GetID("#MOVE");
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ChildId = 0;
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Scroll = ImVec2(0.0f, 0.0f);
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@ -4802,6 +4819,18 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
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window->LastFrameActive = current_frame;
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window->IDStack.resize(1);
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// Update stored window name when it changes (which can _only_ happen with the "###" operator, so the ID would stay unchanged).
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// The title bar always display the 'name' parameter, so we only update the string storage if it needs to be visible to the end-user elsewhere.
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bool window_title_visible_elsewhere = false;
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if (g.NavWindowingList != NULL && (window->Flags & ImGuiWindowFlags_NoNavFocus) == 0) // Window titles visible when using CTRL+TAB
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window_title_visible_elsewhere = true;
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if (window_title_visible_elsewhere && !window_just_created && strcmp(name, window->Name) != 0)
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{
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size_t buf_len = (size_t)window->NameBufLen;
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window->Name = ImStrdupcpy(window->Name, &buf_len, name);
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window->NameBufLen = (int)buf_len;
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}
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// UPDATE CONTENTS SIZE, UPDATE HIDDEN STATUS
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// Update contents size from last frame for auto-fitting (or use explicit size)
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@ -143,6 +143,7 @@ IMGUI_API int ImStricmp(const char* str1, const char* str2);
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IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count);
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IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count);
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IMGUI_API char* ImStrdup(const char* str);
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IMGUI_API char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* str);
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IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end, char c);
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IMGUI_API int ImStrlenW(const ImWchar* str);
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IMGUI_API const char* ImStreolRange(const char* str, const char* str_end); // End end-of-line
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@ -1071,6 +1072,7 @@ struct IMGUI_API ImGuiWindow
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ImVec2 WindowPadding; // Window padding at the time of begin.
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float WindowRounding; // Window rounding at the time of begin.
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float WindowBorderSize; // Window border size at the time of begin.
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int NameBufLen; // Size of buffer storing Name. May be larger than strlen(Name)!
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ImGuiID MoveId; // == window->GetID("#MOVE")
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ImGuiID ChildId; // ID of corresponding item in parent window (for navigation to return from child window to parent window)
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ImVec2 Scroll;
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