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Internal: InputText: Comments. Renamed internal member. Renamed ImGuiStb->ImStb.

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This commit is contained in:
omar
2019-02-20 21:25:17 +01:00
parent 79f7778e48
commit 677e64e71e
3 changed files with 39 additions and 38 deletions
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53
imgui_widgets.cpp
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@ -2898,7 +2898,7 @@ static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* t
}
// 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)
namespace ImGuiStb
namespace ImStb
{
static int STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj) { return obj->CurLenW; }
@ -3001,7 +3001,7 @@ static bool STB_TEXTEDIT_INSERTCHARS(STB_TEXTEDIT_STRING* obj, int pos, const Im
void ImGuiInputTextState::OnKeyPressed(int key)
{
stb_textedit_key(this, &StbState, key);
stb_textedit_key(this, &Stb, key);
CursorFollow = true;
CursorAnimReset();
}
@ -3249,12 +3249,12 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
{
edit_state.ID = id;
edit_state.ScrollX = 0.0f;
stb_textedit_initialize_state(&edit_state.StbState, !is_multiline);
stb_textedit_initialize_state(&edit_state.Stb, !is_multiline);
if (!is_multiline && focus_requested_by_code)
select_all = true;
}
if (flags & ImGuiInputTextFlags_AlwaysInsertMode)
edit_state.StbState.insert_mode = 1;
edit_state.Stb.insert_mode = 1;
if (!is_multiline && (focus_requested_by_tab || (user_clicked && io.KeyCtrl)))
select_all = true;
}
@ -3318,13 +3318,13 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
{
if (hovered)
{
stb_textedit_click(&edit_state, &edit_state.StbState, mouse_x, mouse_y);
stb_textedit_click(&edit_state, &edit_state.Stb, mouse_x, mouse_y);
edit_state.CursorAnimReset();
}
}
else if (io.MouseDown[0] && !edit_state.SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f))
{
stb_textedit_drag(&edit_state, &edit_state.StbState, mouse_x, mouse_y);
stb_textedit_drag(&edit_state, &edit_state.Stb, mouse_x, mouse_y);
edit_state.CursorAnimReset();
edit_state.CursorFollow = true;
}
@ -3424,8 +3424,8 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
// Cut, Copy
if (io.SetClipboardTextFn)
{
const int ib = edit_state.HasSelection() ? ImMin(edit_state.StbState.select_start, edit_state.StbState.select_end) : 0;
const int ie = edit_state.HasSelection() ? ImMax(edit_state.StbState.select_start, edit_state.StbState.select_end) : edit_state.CurLenW;
const int ib = edit_state.HasSelection() ? ImMin(edit_state.Stb.select_start, edit_state.Stb.select_end) : 0;
const int ie = edit_state.HasSelection() ? ImMax(edit_state.Stb.select_start, edit_state.Stb.select_end) : edit_state.CurLenW;
edit_state.TempBuffer.resize((ie-ib) * 4 + 1);
ImTextStrToUtf8(edit_state.TempBuffer.Data, edit_state.TempBuffer.Size, edit_state.TextW.Data+ib, edit_state.TextW.Data+ie);
SetClipboardText(edit_state.TempBuffer.Data);
@ -3435,7 +3435,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
if (!edit_state.HasSelection())
edit_state.SelectAll();
edit_state.CursorFollow = true;
stb_textedit_cut(&edit_state, &edit_state.StbState);
stb_textedit_cut(&edit_state, &edit_state.Stb);
}
}
else if (is_paste)
@ -3459,7 +3459,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
clipboard_filtered[clipboard_filtered_len] = 0;
if (clipboard_filtered_len > 0) // If everything was filtered, ignore the pasting operation
{
stb_textedit_paste(&edit_state, &edit_state.StbState, clipboard_filtered, clipboard_filtered_len);
stb_textedit_paste(&edit_state, &edit_state.Stb, clipboard_filtered, clipboard_filtered_len);
edit_state.CursorFollow = true;
}
MemFree(clipboard_filtered);
@ -3538,9 +3538,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
// 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)
ImWchar* text = edit_state.TextW.Data;
const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + edit_state.StbState.cursor);
const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + edit_state.StbState.select_start);
const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + edit_state.StbState.select_end);
const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + edit_state.Stb.cursor);
const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + edit_state.Stb.select_start);
const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + edit_state.Stb.select_end);
// Call user code
callback(&callback_data);
@ -3549,9 +3549,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
IM_ASSERT(callback_data.Buf == edit_state.TempBuffer.Data); // Invalid to modify those fields
IM_ASSERT(callback_data.BufSize == edit_state.BufCapacityA);
IM_ASSERT(callback_data.Flags == flags);
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; }
if (callback_data.SelectionStart != utf8_selection_start) { edit_state.StbState.select_start = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
if (callback_data.SelectionEnd != utf8_selection_end) { edit_state.StbState.select_end = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
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; }
if (callback_data.SelectionStart != utf8_selection_start) { edit_state.Stb.select_start = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
if (callback_data.SelectionEnd != utf8_selection_end) { edit_state.Stb.select_end = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
if (callback_data.BufDirty)
{
IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf)); // You need to maintain BufTextLen if you change the text!
@ -3607,15 +3607,16 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
if (clear_active_id && g.ActiveId == id)
ClearActiveID();
// Render
// 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.
const char* buf_display = (g.ActiveId == id && is_editable) ? edit_state.TempBuffer.Data : buf; buf = NULL;
// Set upper limit of single-line InputTextEx() at 2 million characters strings. The current pathological worst case is a long line
// without any carriage return, which would makes ImFont::RenderText() reserve too many vertices and probably crash. Avoid it altogether.
// Note that we only use this limit on single-line InputText(), so a pathologically large line on a InputTextMultiline() would still crash.
const int buf_display_max_length = 2 * 1024 * 1024;
// Select which buffer we are going to display. We set buf to NULL to prevent accidental usage from now on.
const char* buf_display = (g.ActiveId == id && is_editable) ? edit_state.TempBuffer.Data : buf;
buf = NULL;
// Render
if (!is_multiline)
{
RenderNavHighlight(frame_bb, id);
@ -3642,13 +3643,13 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
{
// Count lines + find lines numbers straddling 'cursor' and 'select_start' position.
const ImWchar* searches_input_ptr[2];
searches_input_ptr[0] = text_begin + edit_state.StbState.cursor;
searches_input_ptr[0] = text_begin + edit_state.Stb.cursor;
searches_input_ptr[1] = NULL;
int searches_remaining = 1;
int searches_result_line_number[2] = { -1, -999 };
if (edit_state.StbState.select_start != edit_state.StbState.select_end)
if (edit_state.Stb.select_start != edit_state.Stb.select_end)
{
searches_input_ptr[1] = text_begin + ImMin(edit_state.StbState.select_start, edit_state.StbState.select_end);
searches_input_ptr[1] = text_begin + ImMin(edit_state.Stb.select_start, edit_state.Stb.select_end);
searches_result_line_number[1] = -1;
searches_remaining++;
}
@ -3717,10 +3718,10 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
const ImVec2 render_scroll = ImVec2(edit_state.ScrollX, 0.0f);
// Draw selection
if (edit_state.StbState.select_start != edit_state.StbState.select_end)
if (edit_state.Stb.select_start != edit_state.Stb.select_end)
{
const ImWchar* text_selected_begin = text_begin + ImMin(edit_state.StbState.select_start, edit_state.StbState.select_end);
const ImWchar* text_selected_end = text_begin + ImMax(edit_state.StbState.select_start, edit_state.StbState.select_end);
const ImWchar* text_selected_begin = text_begin + ImMin(edit_state.Stb.select_start, edit_state.Stb.select_end);
const ImWchar* text_selected_end = text_begin + ImMax(edit_state.Stb.select_start, edit_state.Stb.select_end);
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.
float bg_offy_dn = is_multiline ? 0.0f : 2.0f;