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Internal: InputText: Comments. Renamed internal member. Renamed ImGuiStb->ImStb.
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@ -83,7 +83,7 @@ Index of this file:
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//-------------------------------------------------------------------------
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// Compile time options:
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//#define IMGUI_STB_NAMESPACE ImGuiStb
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//#define IMGUI_STB_NAMESPACE ImStb
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//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
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//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
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//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
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@ -163,7 +163,7 @@ namespace IMGUI_STB_NAMESPACE
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#endif
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#ifdef IMGUI_STB_NAMESPACE
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} // namespace ImGuiStb
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} // namespace ImStb
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using namespace IMGUI_STB_NAMESPACE;
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#endif
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@ -96,7 +96,7 @@ typedef int ImGuiDragFlags; // -> enum ImGuiDragFlags_ // Flags:
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// STB libraries includes
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//-------------------------------------------------------------------------
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namespace ImGuiStb
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namespace ImStb
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{
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#undef STB_TEXTEDIT_STRING
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@ -106,7 +106,7 @@ namespace ImGuiStb
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#define STB_TEXTEDIT_GETWIDTH_NEWLINE -1.0f
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#include "imstb_textedit.h"
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} // namespace ImGuiStb
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} // namespace ImStb
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//-----------------------------------------------------------------------------
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// Context pointer
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@ -567,10 +567,10 @@ struct IMGUI_API ImGuiInputTextState
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int CurLenA, CurLenW; // we need to maintain our buffer length in both UTF-8 and wchar format.
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int BufCapacityA; // end-user buffer capacity
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float ScrollX;
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ImGuiStb::STB_TexteditState StbState;
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float CursorAnim;
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bool CursorFollow;
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bool SelectedAllMouseLock;
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ImStb::STB_TexteditState Stb; // state for stb_textedit.h
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float CursorAnim; // timer for cursor blink, reset on every user action so the cursor reappears immediately
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bool CursorFollow; // set when we want scrolling to follow the current cursor position (not always!)
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bool SelectedAllMouseLock; // after a double-click to select all, we ignore further mouse drags to update selection
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// Temporarily set when active
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ImGuiInputTextFlags UserFlags;
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@ -579,10 +579,10 @@ struct IMGUI_API ImGuiInputTextState
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ImGuiInputTextState() { memset(this, 0, sizeof(*this)); }
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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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void CursorClamp() { StbState.cursor = ImMin(StbState.cursor, CurLenW); StbState.select_start = ImMin(StbState.select_start, CurLenW); StbState.select_end = ImMin(StbState.select_end, CurLenW); }
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bool HasSelection() const { return StbState.select_start != StbState.select_end; }
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void ClearSelection() { StbState.select_start = StbState.select_end = StbState.cursor; }
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void SelectAll() { StbState.select_start = 0; StbState.cursor = StbState.select_end = CurLenW; StbState.has_preferred_x = 0; }
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void CursorClamp() { Stb.cursor = ImMin(Stb.cursor, CurLenW); Stb.select_start = ImMin(Stb.select_start, CurLenW); Stb.select_end = ImMin(Stb.select_end, CurLenW); }
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bool HasSelection() const { return Stb.select_start != Stb.select_end; }
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void ClearSelection() { Stb.select_start = Stb.select_end = Stb.cursor; }
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void SelectAll() { Stb.select_start = 0; Stb.cursor = Stb.select_end = CurLenW; Stb.has_preferred_x = 0; }
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void OnKeyPressed(int key); // Cannot be inline because we call in code in stb_textedit.h implementation
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};
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@ -2898,7 +2898,7 @@ static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* t
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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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namespace ImGuiStb
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namespace ImStb
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{
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static int STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj) { return obj->CurLenW; }
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@ -3001,7 +3001,7 @@ static bool STB_TEXTEDIT_INSERTCHARS(STB_TEXTEDIT_STRING* obj, int pos, const Im
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void ImGuiInputTextState::OnKeyPressed(int key)
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{
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stb_textedit_key(this, &StbState, key);
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stb_textedit_key(this, &Stb, key);
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CursorFollow = true;
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CursorAnimReset();
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}
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@ -3249,12 +3249,12 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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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, !is_multiline);
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stb_textedit_initialize_state(&edit_state.Stb, !is_multiline);
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if (!is_multiline && focus_requested_by_code)
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select_all = true;
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}
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if (flags & ImGuiInputTextFlags_AlwaysInsertMode)
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edit_state.StbState.insert_mode = 1;
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edit_state.Stb.insert_mode = 1;
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if (!is_multiline && (focus_requested_by_tab || (user_clicked && io.KeyCtrl)))
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select_all = true;
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}
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@ -3318,13 +3318,13 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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{
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if (hovered)
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{
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stb_textedit_click(&edit_state, &edit_state.StbState, mouse_x, mouse_y);
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stb_textedit_click(&edit_state, &edit_state.Stb, mouse_x, mouse_y);
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edit_state.CursorAnimReset();
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}
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}
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else if (io.MouseDown[0] && !edit_state.SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f))
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{
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stb_textedit_drag(&edit_state, &edit_state.StbState, mouse_x, mouse_y);
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stb_textedit_drag(&edit_state, &edit_state.Stb, mouse_x, mouse_y);
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edit_state.CursorAnimReset();
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edit_state.CursorFollow = true;
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}
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@ -3424,8 +3424,8 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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// Cut, Copy
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if (io.SetClipboardTextFn)
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{
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const int ib = edit_state.HasSelection() ? ImMin(edit_state.StbState.select_start, edit_state.StbState.select_end) : 0;
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const int ie = edit_state.HasSelection() ? ImMax(edit_state.StbState.select_start, edit_state.StbState.select_end) : edit_state.CurLenW;
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const int ib = edit_state.HasSelection() ? ImMin(edit_state.Stb.select_start, edit_state.Stb.select_end) : 0;
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const int ie = edit_state.HasSelection() ? ImMax(edit_state.Stb.select_start, edit_state.Stb.select_end) : edit_state.CurLenW;
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edit_state.TempBuffer.resize((ie-ib) * 4 + 1);
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ImTextStrToUtf8(edit_state.TempBuffer.Data, edit_state.TempBuffer.Size, edit_state.TextW.Data+ib, edit_state.TextW.Data+ie);
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SetClipboardText(edit_state.TempBuffer.Data);
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@ -3435,7 +3435,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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if (!edit_state.HasSelection())
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edit_state.SelectAll();
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edit_state.CursorFollow = true;
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stb_textedit_cut(&edit_state, &edit_state.StbState);
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stb_textedit_cut(&edit_state, &edit_state.Stb);
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}
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}
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else if (is_paste)
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@ -3459,7 +3459,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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clipboard_filtered[clipboard_filtered_len] = 0;
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if (clipboard_filtered_len > 0) // If everything was filtered, ignore the pasting operation
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{
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stb_textedit_paste(&edit_state, &edit_state.StbState, clipboard_filtered, clipboard_filtered_len);
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stb_textedit_paste(&edit_state, &edit_state.Stb, clipboard_filtered, clipboard_filtered_len);
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edit_state.CursorFollow = true;
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}
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MemFree(clipboard_filtered);
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@ -3538,9 +3538,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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// We have to convert from wchar-positions to UTF-8-positions, which can be pretty slow (an incentive to ditch the ImWchar buffer, see https://github.com/nothings/stb/issues/188)
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ImWchar* text = edit_state.TextW.Data;
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const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + edit_state.StbState.cursor);
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const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + edit_state.StbState.select_start);
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const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + edit_state.StbState.select_end);
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const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + edit_state.Stb.cursor);
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const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + edit_state.Stb.select_start);
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const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + edit_state.Stb.select_end);
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// Call user code
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callback(&callback_data);
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@ -3549,9 +3549,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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IM_ASSERT(callback_data.Buf == edit_state.TempBuffer.Data); // Invalid to modify those fields
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IM_ASSERT(callback_data.BufSize == edit_state.BufCapacityA);
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IM_ASSERT(callback_data.Flags == flags);
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if (callback_data.CursorPos != utf8_cursor_pos) { edit_state.StbState.cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); edit_state.CursorFollow = true; }
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if (callback_data.SelectionStart != utf8_selection_start) { edit_state.StbState.select_start = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
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if (callback_data.SelectionEnd != utf8_selection_end) { edit_state.StbState.select_end = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
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if (callback_data.CursorPos != utf8_cursor_pos) { edit_state.Stb.cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); edit_state.CursorFollow = true; }
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if (callback_data.SelectionStart != utf8_selection_start) { edit_state.Stb.select_start = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
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if (callback_data.SelectionEnd != utf8_selection_end) { edit_state.Stb.select_end = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
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if (callback_data.BufDirty)
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{
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IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf)); // You need to maintain BufTextLen if you change the text!
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@ -3607,15 +3607,16 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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if (clear_active_id && g.ActiveId == id)
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ClearActiveID();
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// Render
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// Select which buffer we are going to display. When ImGuiInputTextFlags_NoLiveEdit is set 'buf' might still be the old value. We set buf to NULL to prevent accidental usage from now on.
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const char* buf_display = (g.ActiveId == id && is_editable) ? edit_state.TempBuffer.Data : buf; buf = NULL;
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// Set upper limit of single-line InputTextEx() at 2 million characters strings. The current pathological worst case is a long line
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// without any carriage return, which would makes ImFont::RenderText() reserve too many vertices and probably crash. Avoid it altogether.
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// Note that we only use this limit on single-line InputText(), so a pathologically large line on a InputTextMultiline() would still crash.
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const int buf_display_max_length = 2 * 1024 * 1024;
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// Select which buffer we are going to display. We set buf to NULL to prevent accidental usage from now on.
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const char* buf_display = (g.ActiveId == id && is_editable) ? edit_state.TempBuffer.Data : buf;
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buf = NULL;
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// Render
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if (!is_multiline)
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{
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RenderNavHighlight(frame_bb, id);
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@ -3642,13 +3643,13 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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{
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// Count lines + find lines numbers straddling 'cursor' and 'select_start' position.
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const ImWchar* searches_input_ptr[2];
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searches_input_ptr[0] = text_begin + edit_state.StbState.cursor;
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searches_input_ptr[0] = text_begin + edit_state.Stb.cursor;
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searches_input_ptr[1] = NULL;
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int searches_remaining = 1;
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int searches_result_line_number[2] = { -1, -999 };
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if (edit_state.StbState.select_start != edit_state.StbState.select_end)
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if (edit_state.Stb.select_start != edit_state.Stb.select_end)
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{
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searches_input_ptr[1] = text_begin + ImMin(edit_state.StbState.select_start, edit_state.StbState.select_end);
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searches_input_ptr[1] = text_begin + ImMin(edit_state.Stb.select_start, edit_state.Stb.select_end);
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searches_result_line_number[1] = -1;
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searches_remaining++;
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}
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@ -3717,10 +3718,10 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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const ImVec2 render_scroll = ImVec2(edit_state.ScrollX, 0.0f);
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// Draw selection
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if (edit_state.StbState.select_start != edit_state.StbState.select_end)
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if (edit_state.Stb.select_start != edit_state.Stb.select_end)
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{
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const ImWchar* text_selected_begin = text_begin + ImMin(edit_state.StbState.select_start, edit_state.StbState.select_end);
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const ImWchar* text_selected_end = text_begin + ImMax(edit_state.StbState.select_start, edit_state.StbState.select_end);
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const ImWchar* text_selected_begin = text_begin + ImMin(edit_state.Stb.select_start, edit_state.Stb.select_end);
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const ImWchar* text_selected_end = text_begin + ImMax(edit_state.Stb.select_start, edit_state.Stb.select_end);
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float bg_offy_up = is_multiline ? 0.0f : -1.0f; // FIXME: those offsets should be part of the style? they don't play so well with multi-line selection.
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float bg_offy_dn = is_multiline ? 0.0f : 2.0f;
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