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https://github.com/Drezil/imgui.git
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InputTextMultiline() WIP - still gazillion problems with selection visualisation & scrolling
This commit is contained in:
ocornut
parent
6eb1fec7a9
commit
0df7b472c2
242
imgui.cpp
242
imgui.cpp
@ -495,6 +495,7 @@ namespace IMGUI_STB_NAMESPACE
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#undef STB_TEXTEDIT_CHARTYPE
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#define STB_TEXTEDIT_STRING ImGuiTextEditState
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#define STB_TEXTEDIT_CHARTYPE ImWchar
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#define STB_TEXTEDIT_GETWIDTH_NEWLINE -1.0f
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#include "stb_textedit.h"
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#ifdef __clang__
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@ -1187,7 +1188,7 @@ struct ImGuiTextEditState
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char InitialText[1024*3+1]; // backup of end-user buffer at the time of focus (in UTF-8, unaltered)
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size_t CurLenA, CurLenW; // we need to maintain our buffer length in both UTF-8 and wchar format.
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size_t BufSizeA; // end-user buffer size, <= 1024 (or increase above)
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float Width; // widget width
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ImVec2 Size; // widget width/height
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float ScrollX;
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STB_TexteditState StbState;
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float CursorAnim;
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@ -1201,7 +1202,7 @@ struct ImGuiTextEditState
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void CursorAnimReset() { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking
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bool CursorIsVisible() const { return CursorAnim <= 0.0f || fmodf(CursorAnim, 1.20f) <= 0.80f; } // Blinking
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bool HasSelection() const { return StbState.select_start != StbState.select_end; }
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void SelectAll() { StbState.select_start = 0; StbState.select_end = (int)ImStrlenW(Text); StbState.cursor = StbState.select_end; StbState.has_preferred_x = false; }
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void SelectAll() { StbState.select_start = 0; StbState.select_end = (int)CurLenW; StbState.cursor = StbState.select_end; StbState.has_preferred_x = false; }
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void OnKeyPressed(int key);
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void UpdateScrollOffset();
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@ -1209,8 +1210,8 @@ struct ImGuiTextEditState
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// Static functions because they are used to render non-focused instances of a text input box
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static const char* GetTextPointerClippedA(ImFont* font, float font_size, const char* text, float width, ImVec2* out_text_size = NULL);
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static const ImWchar* GetTextPointerClippedW(ImFont* font, float font_size, const ImWchar* text, float width, ImVec2* out_text_size = NULL);
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static void RenderTextScrolledClipped(ImFont* font, float font_size, const char* text, ImVec2 pos_base, float width, float scroll_x);
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static const ImWchar* GetTextPointerClippedW(ImFont* font, float font_size, const ImWchar* text, const ImWchar* text_end, float width, ImVec2* out_text_size = NULL);
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static void RenderTextScrolledClipped(ImFont* font, float font_size, const char* text, const ImVec2& pos, const ImVec2& size, float scroll_x);
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};
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// Data saved in imgui.ini file
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@ -6511,16 +6512,71 @@ bool ImGui::RadioButton(const char* label, int* v, int v_button)
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return pressed;
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}
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static ImVec2 CalcTextSizeW(ImFont* font, float font_size, float max_width, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false)
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{
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IM_ASSERT(text_end);
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const float scale = font_size / font->FontSize;
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const float line_height = font->FontSize * scale;
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ImVec2 text_size = ImVec2(0,0);
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float line_width = 0.0f;
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const ImWchar* s = text_begin;
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while (s < text_end)
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{
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const unsigned int c = (unsigned int)(*s++);
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if (c < 32)
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{
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if (c == '\n')
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{
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text_size.x = ImMax(text_size.x, line_width);
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text_size.y += line_height;
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line_width = 0.0f;
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if (stop_on_new_line)
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break;
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continue;
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}
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if (c == '\r')
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continue;
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}
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const float char_width = font->GetCharAdvance((unsigned short)c);
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if (line_width + char_width >= max_width)
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{
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s--;
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break;
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}
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line_width += char_width;
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}
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if (text_size.x < line_width)
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text_size.x = line_width;
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if (out_offset)
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*out_offset = ImVec2(line_width, text_size.y + line_height); // offset allow for the possibility of sitting after a trailing \n
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if (line_width > 0 || text_size.y == 0.0f) // whereas size.y will ignore the trailing \n
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text_size.y += line_height;
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if (remaining)
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*remaining = s;
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return text_size;
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}
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// Wrapper for stb_textedit.h to edit text (our wrapper is for: statically sized buffer, single-line, wchar characters. InputText converts between UTF-8 and wchar)
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static int STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj) { return (int)ImStrlenW(obj->Text); }
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static int STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj) { return (int)obj->CurLenW; }
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static ImWchar STB_TEXTEDIT_GETCHAR(const STB_TEXTEDIT_STRING* obj, int idx) { return obj->Text[idx]; }
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static float STB_TEXTEDIT_GETWIDTH(STB_TEXTEDIT_STRING* obj, int line_start_idx, int char_idx) { (void)line_start_idx; return obj->Font->CalcTextSizeW(obj->FontSize, FLT_MAX, &obj->Text[char_idx], &obj->Text[char_idx]+1, NULL).x; }
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static float STB_TEXTEDIT_GETWIDTH(STB_TEXTEDIT_STRING* obj, int line_start_idx, int char_idx) { ImWchar* s = &obj->Text[line_start_idx+char_idx]; if (*s == '\n') return STB_TEXTEDIT_GETWIDTH_NEWLINE; return CalcTextSizeW(obj->Font, obj->FontSize, FLT_MAX, s, s+1, NULL).x; }
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static int STB_TEXTEDIT_KEYTOTEXT(int key) { return key >= 0x10000 ? 0 : key; }
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static ImWchar STB_TEXTEDIT_NEWLINE = '\n';
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static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, STB_TEXTEDIT_STRING* obj, int line_start_idx)
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{
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const ImWchar* text_remaining = NULL;
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const ImVec2 size = obj->Font->CalcTextSizeW(obj->FontSize, FLT_MAX, obj->Text + line_start_idx, NULL, &text_remaining);
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const ImVec2 size = CalcTextSizeW(obj->Font, obj->FontSize, FLT_MAX, obj->Text + line_start_idx, obj->Text + obj->CurLenW, &text_remaining, NULL, true);
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r->x0 = 0.0f;
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r->x1 = size.x;
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r->baseline_y_delta = size.y;
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@ -6603,14 +6659,14 @@ void ImGuiTextEditState::OnKeyPressed(int key)
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void ImGuiTextEditState::UpdateScrollOffset()
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{
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// Scroll in chunks of quarter width
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const float scroll_x_increment = Width * 0.25f;
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const float cursor_offset_x = Font->CalcTextSizeW(FontSize, FLT_MAX, Text, Text+StbState.cursor, NULL).x;
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const float scroll_x_increment = Size.x * 0.25f;
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const float cursor_offset_x = CalcTextSizeW(Font, FontSize, FLT_MAX, Text, Text+StbState.cursor, NULL).x;
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// If widget became bigger than text (because of a resize), reset horizontal scrolling
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if (ScrollX > 0.0f)
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{
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const float text_width = cursor_offset_x + Font->CalcTextSizeW(FontSize, FLT_MAX, Text+StbState.cursor, NULL, NULL).x;
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if (text_width < Width)
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const float text_width = cursor_offset_x + CalcTextSizeW(Font, FontSize, FLT_MAX, Text+StbState.cursor, NULL, NULL).x;
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if (text_width < Size.x)
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{
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ScrollX = 0.0f;
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return;
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@ -6619,17 +6675,19 @@ void ImGuiTextEditState::UpdateScrollOffset()
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if (cursor_offset_x < ScrollX)
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ScrollX = ImMax(0.0f, cursor_offset_x - scroll_x_increment);
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else if (cursor_offset_x - Width >= ScrollX)
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ScrollX = cursor_offset_x - Width + scroll_x_increment;
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else if (cursor_offset_x - Size.x >= ScrollX)
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ScrollX = cursor_offset_x - Size.x + scroll_x_increment;
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}
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ImVec2 ImGuiTextEditState::CalcDisplayOffsetFromCharIdx(int i) const
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{
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const ImWchar* text_start = GetTextPointerClippedW(Font, FontSize, Text, ScrollX, NULL);
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const ImWchar* text_start = GetTextPointerClippedW(Font, FontSize, Text, Text+CurLenW, ScrollX, NULL);
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const ImWchar* text_end = (Text+i >= text_start) ? Text+i : text_start; // Clip if requested character is outside of display
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IM_ASSERT(text_end >= text_start);
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const ImVec2 offset = Font->CalcTextSizeW(FontSize, Width+1, text_start, text_end, NULL);
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// FIXME-WIP-MULTILINE
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ImVec2 offset;
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CalcTextSizeW(Font, FontSize, Size.x+1, text_start, text_end, NULL, &offset);
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return offset;
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}
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@ -6647,20 +6705,20 @@ const char* ImGuiTextEditState::GetTextPointerClippedA(ImFont* font, float font_
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}
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// [Static]
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const ImWchar* ImGuiTextEditState::GetTextPointerClippedW(ImFont* font, float font_size, const ImWchar* text, float width, ImVec2* out_text_size)
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const ImWchar* ImGuiTextEditState::GetTextPointerClippedW(ImFont* font, float font_size, const ImWchar* text, const ImWchar* text_end, float width, ImVec2* out_text_size)
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{
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if (width <= 0.0f)
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return text;
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const ImWchar* text_clipped_end = NULL;
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const ImVec2 text_size = font->CalcTextSizeW(font_size, width, text, NULL, &text_clipped_end);
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const ImVec2 text_size = CalcTextSizeW(font, font_size, width, text, text_end, &text_clipped_end);
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if (out_text_size)
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*out_text_size = text_size;
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return text_clipped_end;
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}
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// [Static]
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void ImGuiTextEditState::RenderTextScrolledClipped(ImFont* font, float font_size, const char* buf, ImVec2 pos, float width, float scroll_x)
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void ImGuiTextEditState::RenderTextScrolledClipped(ImFont* font, float font_size, const char* buf, const ImVec2& pos, const ImVec2& size, float scroll_x)
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{
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ImGuiWindow* window = GetCurrentWindow();
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const ImU32 font_color = window->Color(ImGuiCol_Text);
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@ -6669,7 +6727,7 @@ void ImGuiTextEditState::RenderTextScrolledClipped(ImFont* font, float font_size
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// Determine start and end of visible string
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// FIXME-OPT: This is pretty slow for what it does.
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const char* text_start = scroll_x <= 0.0f ? buf : GetTextPointerClippedA(font, font_size, buf, scroll_x, NULL);
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const char* text_end = GetTextPointerClippedA(font, font_size, text_start, width + 1, NULL); // +1 to allow character spacing to fit outside the allowed width
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const char* text_end = GetTextPointerClippedA(font, font_size, text_start, size.x + 1, NULL); // +1 to allow character spacing to fit outside the allowed width
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window->DrawList->AddText(font, font_size, pos, font_color, text_start, text_end);
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// Log as text
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@ -6793,7 +6851,13 @@ static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags f
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unsigned int c = *p_char;
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if (c < 128 && c != ' ' && !isprint((int)(c & 0xFF)))
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return false;
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{
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bool pass = false;
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pass |= (c == '\n' && (flags & ImGuiInputTextFlags_Multiline));
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pass |= (c == '\t' && (flags & ImGuiInputTextFlags_AllowTabInput));
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if (!pass)
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return false;
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}
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if (c >= 0xE000 && c <= 0xF8FF) // Filter private Unicode range. I don't imagine anybody would want to input them. GLFW on OSX seems to send private characters for special keys like arrow keys.
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return false;
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@ -6836,21 +6900,30 @@ static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags f
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}
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// Edit a string of text
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bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data)
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static bool InputTextEx(const char* label, char* buf, size_t buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data)
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{
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ImGuiWindow* window = GetCurrentWindow();
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if (window->SkipItems)
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return false;
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IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline))); // Can't use both together (they both use up/down keys)
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IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput))); // Can't use both together (they both use tab key)
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ImGuiState& g = *GImGui;
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const ImGuiIO& io = g.IO;
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const ImGuiStyle& style = g.Style;
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const ImGuiID id = window->GetID(label);
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const float w = ImGui::CalcItemWidth();
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const bool is_multiline = (flags & ImGuiInputTextFlags_Multiline) != 0;
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const ImVec2 label_size = CalcTextSize(label, NULL, true);
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const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y) + style.FramePadding*2.0f);
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ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
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ImVec2 size = size_arg;
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if (size.x == 0.0f)
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size.x = ImGui::CalcItemWidth();
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if (size.y == 0.0f)
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size.y = is_multiline ? label_size.y * 8.0f : label_size.y; // Arbitrary default
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const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + size + style.FramePadding*2.0f);
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const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? (style.ItemInnerSpacing.x + label_size.x) : 0.0f, 0.0f));
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ItemSize(total_bb, style.FramePadding.y);
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if (!ItemAdd(total_bb, &id))
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@ -6862,7 +6935,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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const bool is_ctrl_down = io.KeyCtrl;
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const bool is_shift_down = io.KeyShift;
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const bool is_alt_down = io.KeyAlt;
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const bool focus_requested = window->FocusItemRegister(g.ActiveId == id, (flags & ImGuiInputTextFlags_CallbackCompletion) == 0); // Using completion callback disable keyboard tabbing
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const bool focus_requested = window->FocusItemRegister(g.ActiveId == id, (flags & (ImGuiInputTextFlags_CallbackCompletion|ImGuiInputTextFlags_AllowTabInput)) == 0); // Using completion callback disable keyboard tabbing
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const bool focus_requested_by_code = focus_requested && (window->FocusIdxAllCounter == window->FocusIdxAllRequestCurrent);
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const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code;
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@ -6886,7 +6959,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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const char* buf_end = NULL;
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edit_state.CurLenW = ImTextStrFromUtf8(edit_state.Text, IM_ARRAYSIZE(edit_state.Text), buf, NULL, &buf_end);
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edit_state.CurLenA = buf_end - buf; // We can't get the result from ImFormatString() above because it is not UTF-8 aware. Here we'll cut off malformed UTF-8.
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edit_state.Width = w + style.FramePadding.x;
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edit_state.Size = size + style.FramePadding;
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edit_state.InputCursorScreenPos = ImVec2(-1.f,-1.f);
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edit_state.CursorAnimReset();
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@ -6894,7 +6967,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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{
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edit_state.Id = id;
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edit_state.ScrollX = 0.0f;
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stb_textedit_initialize_state(&edit_state.StbState, true);
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stb_textedit_initialize_state(&edit_state.StbState, !is_multiline);
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if (focus_requested_by_code)
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select_all = true;
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}
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@ -6931,7 +7004,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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//if (edit_state.Id == id) // Works, but double-click to select-all sets cursors to end which in turn tends to scroll toward the right when shrinking widget.
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{
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// Update some data if we are active or last active
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edit_state.Width = w + style.FramePadding.x;
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edit_state.Size = size + style.FramePadding;
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edit_state.BufSizeA = buf_size;
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edit_state.Font = g.Font;
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edit_state.FontSize = g.FontSize;
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@ -6941,7 +7014,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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{
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// Edit in progress
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const float mx = g.IO.MousePos.x - frame_bb.Min.x - style.FramePadding.x;
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const float my = g.FontSize*0.5f; // Flatten mouse because we are doing a single-line edit
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const float my = is_multiline ? (g.IO.MousePos.y - frame_bb.Min.y - style.FramePadding.y) : g.FontSize*0.5f;
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if (select_all || (hovered && io.MouseDoubleClicked[0]))
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{
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@ -6966,8 +7039,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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// Process text input (before we check for Return because using some IME will effectively send a Return?)
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for (int n = 0; n < IM_ARRAYSIZE(g.IO.InputCharacters) && g.IO.InputCharacters[n]; n++)
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{
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unsigned int c = (unsigned int)g.IO.InputCharacters[n];
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if (c)
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if (unsigned int c = (unsigned int)g.IO.InputCharacters[n])
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{
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// Insert character if they pass filtering
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if (!InputTextFilterCharacter(&c, flags, callback, user_data))
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@ -6982,13 +7054,35 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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const int k_mask = (is_shift_down ? STB_TEXTEDIT_K_SHIFT : 0);
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const bool is_ctrl_only = is_ctrl_down && !is_alt_down && !is_shift_down;
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if (IsKeyPressedMap(ImGuiKey_LeftArrow)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_WORDLEFT | k_mask : STB_TEXTEDIT_K_LEFT | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_RightArrow)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_WORDRIGHT | k_mask : STB_TEXTEDIT_K_RIGHT | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_Home)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_End)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_Delete)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_Backspace)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_Enter)) { SetActiveId(0); enter_pressed = true; }
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if (IsKeyPressedMap(ImGuiKey_LeftArrow)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_WORDLEFT | k_mask : STB_TEXTEDIT_K_LEFT | k_mask); }
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else if (IsKeyPressedMap(ImGuiKey_RightArrow)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_WORDRIGHT | k_mask : STB_TEXTEDIT_K_RIGHT | k_mask); }
|
||||
else if (is_multiline && IsKeyPressedMap(ImGuiKey_UpArrow)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_UP | k_mask); }
|
||||
else if (is_multiline && IsKeyPressedMap(ImGuiKey_DownArrow)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_DOWN| k_mask); }
|
||||
else if (IsKeyPressedMap(ImGuiKey_Home)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); }
|
||||
else if (IsKeyPressedMap(ImGuiKey_End)) { edit_state.OnKeyPressed(is_ctrl_down ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); }
|
||||
else if (IsKeyPressedMap(ImGuiKey_Delete)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); }
|
||||
else if (IsKeyPressedMap(ImGuiKey_Backspace)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask); }
|
||||
else if (IsKeyPressedMap(ImGuiKey_Enter))
|
||||
{
|
||||
bool ctrl_enter_for_new_line = (flags & ImGuiInputTextFlags_CtrlEnterForNewLine) != 0;
|
||||
if (!is_multiline || (ctrl_enter_for_new_line && !is_ctrl_down) || (!ctrl_enter_for_new_line && is_ctrl_down))
|
||||
{
|
||||
SetActiveId(0);
|
||||
enter_pressed = true;
|
||||
}
|
||||
else // New line
|
||||
{
|
||||
unsigned int c = '\n';
|
||||
if (InputTextFilterCharacter(&c, flags, callback, user_data))
|
||||
edit_state.OnKeyPressed((int)c);
|
||||
}
|
||||
}
|
||||
else if ((flags & ImGuiInputTextFlags_AllowTabInput) && IsKeyPressedMap(ImGuiKey_Tab))
|
||||
{
|
||||
unsigned int c = '\t';
|
||||
if (InputTextFilterCharacter(&c, flags, callback, user_data))
|
||||
edit_state.OnKeyPressed((int)c);
|
||||
}
|
||||
else if (IsKeyPressedMap(ImGuiKey_Escape)) { SetActiveId(0); cancel_edit = true; }
|
||||
else if (is_ctrl_only && IsKeyPressedMap(ImGuiKey_Z)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_UNDO); }
|
||||
else if (is_ctrl_only && IsKeyPressedMap(ImGuiKey_Y)) { edit_state.OnKeyPressed(STB_TEXTEDIT_K_REDO); }
|
||||
@ -7146,7 +7240,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
|
||||
|
||||
//const float render_scroll_x = (g.ActiveId == id) ? edit_state.ScrollX : 0.0f;
|
||||
const float render_scroll_x = (edit_state.Id == id) ? edit_state.ScrollX : 0.0f;
|
||||
ImGuiTextEditState::RenderTextScrolledClipped(g.Font, g.FontSize, buf, frame_bb.Min + style.FramePadding, w + style.FramePadding.x, render_scroll_x);
|
||||
ImGuiTextEditState::RenderTextScrolledClipped(g.Font, g.FontSize, buf, frame_bb.Min + style.FramePadding, size + style.FramePadding, render_scroll_x);
|
||||
|
||||
if (g.ActiveId == id)
|
||||
{
|
||||
@ -7172,6 +7266,19 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
|
||||
return value_changed;
|
||||
}
|
||||
|
||||
bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data)
|
||||
{
|
||||
IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline)); // call InputTextMultiline()
|
||||
bool ret = InputTextEx(label, buf, buf_size, ImVec2(0,0), flags, callback, user_data);
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool ImGui::InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data)
|
||||
{
|
||||
bool ret = InputTextEx(label, buf, buf_size, size, flags | ImGuiInputTextFlags_Multiline, callback, user_data);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static bool InputFloatN(const char* label, float* v, int components, int decimal_precision, ImGuiInputTextFlags extra_flags)
|
||||
{
|
||||
ImGuiState& g = *GImGui;
|
||||
@ -9874,64 +9981,11 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
|
||||
line_width += char_width;
|
||||
}
|
||||
|
||||
if (line_width > 0 || text_size.y == 0.0f)
|
||||
{
|
||||
if (text_size.x < line_width)
|
||||
text_size.x = line_width;
|
||||
text_size.y += line_height;
|
||||
}
|
||||
|
||||
if (remaining)
|
||||
*remaining = s;
|
||||
|
||||
return text_size;
|
||||
}
|
||||
|
||||
ImVec2 ImFont::CalcTextSizeW(float size, float max_width, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining) const
|
||||
{
|
||||
if (!text_end)
|
||||
text_end = text_begin + ImStrlenW(text_begin);
|
||||
|
||||
const float scale = size / FontSize;
|
||||
const float line_height = FontSize * scale;
|
||||
|
||||
ImVec2 text_size = ImVec2(0,0);
|
||||
float line_width = 0.0f;
|
||||
|
||||
const ImWchar* s = text_begin;
|
||||
while (s < text_end)
|
||||
{
|
||||
const unsigned int c = (unsigned int)(*s++);
|
||||
|
||||
if (c < 32)
|
||||
{
|
||||
if (c == '\n')
|
||||
{
|
||||
text_size.x = ImMax(text_size.x, line_width);
|
||||
text_size.y += line_height;
|
||||
line_width = 0.0f;
|
||||
continue;
|
||||
}
|
||||
if (c == '\r')
|
||||
continue;
|
||||
}
|
||||
|
||||
const float char_width = ((size_t)c < IndexXAdvance.size()) ? IndexXAdvance[(size_t)c] * scale : FallbackXAdvance;
|
||||
if (line_width + char_width >= max_width)
|
||||
{
|
||||
s--;
|
||||
break;
|
||||
}
|
||||
|
||||
line_width += char_width;
|
||||
}
|
||||
if (text_size.x < line_width)
|
||||
text_size.x = line_width;
|
||||
|
||||
if (line_width > 0 || text_size.y == 0.0f)
|
||||
{
|
||||
if (text_size.x < line_width)
|
||||
text_size.x = line_width;
|
||||
text_size.y += line_height;
|
||||
}
|
||||
|
||||
if (remaining)
|
||||
*remaining = s;
|
||||
|
||||
10
imgui.h
10
imgui.h
@ -267,6 +267,7 @@ namespace ImGui
|
||||
|
||||
// Widgets: Input
|
||||
IMGUI_API bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
|
||||
IMGUI_API bool InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size = ImVec2(0,0), ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
|
||||
IMGUI_API bool InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
|
||||
IMGUI_API bool InputFloat2(const char* label, float v[2], int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
|
||||
IMGUI_API bool InputFloat3(const char* label, float v[3], int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
|
||||
@ -441,7 +442,11 @@ enum ImGuiInputTextFlags_
|
||||
ImGuiInputTextFlags_CallbackCompletion = 1 << 6, // Call user function on pressing TAB (for completion handling)
|
||||
ImGuiInputTextFlags_CallbackHistory = 1 << 7, // Call user function on pressing Up/Down arrows (for history handling)
|
||||
ImGuiInputTextFlags_CallbackAlways = 1 << 8, // Call user function every time
|
||||
ImGuiInputTextFlags_CallbackCharFilter = 1 << 9 // Call user function to filter character. Modify data->EventChar to replace/filter input, or return 1 to discard character.
|
||||
ImGuiInputTextFlags_CallbackCharFilter = 1 << 9, // Call user function to filter character. Modify data->EventChar to replace/filter input, or return 1 to discard character.
|
||||
ImGuiInputTextFlags_AllowTabInput = 1 << 10, // Pressing TAB input a '\t' character into the text field
|
||||
ImGuiInputTextFlags_CtrlEnterForNewLine = 1 << 11, // In multi-line mode, allow exiting edition by pressing Enter. Ctrl+Enter to add new line.
|
||||
// [Internal]
|
||||
ImGuiInputTextFlags_Multiline = 1 << 20 // For internal use by InputTextMultiline()
|
||||
};
|
||||
|
||||
// Flags for ImGui::Selectable()
|
||||
@ -1135,8 +1140,7 @@ struct ImFont
|
||||
|
||||
// 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable.
|
||||
// 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable.
|
||||
IMGUI_API ImVec2 CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
|
||||
IMGUI_API ImVec2 CalcTextSizeW(float size, float max_width, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL) const; // wchar
|
||||
IMGUI_API ImVec2 CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
|
||||
IMGUI_API void RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, ImDrawList* draw_list, float wrap_width = 0.0f, const ImVec2* cpu_clip_max = NULL) const;
|
||||
IMGUI_API const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const;
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user