Files
Synthetic/framework/functional/textfield.cpp
T
2025-05-02 17:32:01 +03:00

1191 lines
56 KiB
C++

#include "../settings/functions.h"
using namespace ImStb;
static ImVec2 input_text_calc_text_size_w(ImGuiContext* ctx, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false)
{
ImGuiContext& g = *ctx;
ImFont* font = g.Font;
const float line_height = g.FontSize;
const float scale = line_height / font->FontSize;
ImVec2 text_size = ImVec2(0, 0);
float line_width = 0.0f;
const ImWchar* s = text_begin;
while (s < text_end)
{
unsigned int c = (unsigned int)(*s++);
if (c == '\n')
{
text_size.x = ImMax(text_size.x, line_width);
text_size.y += line_height;
line_width = 0.0f;
if (stop_on_new_line)
break;
continue;
}
if (c == '\r')
continue;
const float char_width = font->GetCharAdvance((ImWchar)c) * scale;
line_width += char_width;
}
if (text_size.x < line_width)
text_size.x = line_width;
if (out_offset)
*out_offset = ImVec2(line_width, text_size.y + line_height); // offset allow for the possibility of sitting after a trailing \n
if (line_width > 0 || text_size.y == 0.0f) // whereas size.y will ignore the trailing \n
text_size.y += line_height;
if (remaining)
*remaining = s;
return text_size;
}
namespace ImStb
{
static int STB_TEXTEDIT_STRINGLEN(const ImGuiInputTextState* obj) { return obj->CurLenW; }
static ImWchar STB_TEXTEDIT_GETCHAR(const ImGuiInputTextState* obj, int idx) { IM_ASSERT(idx <= obj->CurLenW); return obj->TextW[idx]; }
static float STB_TEXTEDIT_GETWIDTH(ImGuiInputTextState* obj, int line_start_idx, int char_idx) { ImWchar c = obj->TextW[line_start_idx + char_idx]; if (c == '\n') return IMSTB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *obj->Ctx; return g.Font->GetCharAdvance(c) * (g.FontSize / g.Font->FontSize); }
static int STB_TEXTEDIT_KEYTOTEXT(int key) { return key >= 0x200000 ? 0 : key; }
static ImWchar STB_TEXTEDIT_NEWLINE = '\n';
static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, ImGuiInputTextState* obj, int line_start_idx)
{
const ImWchar* text = obj->TextW.Data;
const ImWchar* text_remaining = NULL;
const ImVec2 size = input_text_calc_text_size_w(obj->Ctx, text + line_start_idx, text + obj->CurLenW, &text_remaining, NULL, true);
r->x0 = 0.0f;
r->x1 = size.x;
r->baseline_y_delta = size.y;
r->ymin = 0.0f;
r->ymax = size.y;
r->num_chars = (int)(text_remaining - (text + line_start_idx));
}
static bool is_separator(unsigned int c)
{
return c == ',' || c == ';' || c == '(' || c == ')' || c == '{' || c == '}' || c == '[' || c == ']' || c == '|' || c == '\n' || c == '\r' || c == '.' || c == '!';
}
static int is_word_boundary_from_right(ImGuiInputTextState* obj, int idx)
{
// When ImGuiInputTextFlags_Password is set, we don't want actions such as CTRL+Arrow to leak the fact that underlying data are blanks or separators.
if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
return 0;
bool prev_white = ImCharIsBlankW(obj->TextW[idx - 1]);
bool prev_separ = is_separator(obj->TextW[idx - 1]);
bool curr_white = ImCharIsBlankW(obj->TextW[idx]);
bool curr_separ = is_separator(obj->TextW[idx]);
return ((prev_white || prev_separ) && !(curr_separ || curr_white)) || (curr_separ && !prev_separ);
}
static int is_word_boundary_from_left(ImGuiInputTextState* obj, int idx)
{
if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
return 0;
bool prev_white = ImCharIsBlankW(obj->TextW[idx]);
bool prev_separ = is_separator(obj->TextW[idx]);
bool curr_white = ImCharIsBlankW(obj->TextW[idx - 1]);
bool curr_separ = is_separator(obj->TextW[idx - 1]);
return ((prev_white) && !(curr_separ || curr_white)) || (curr_separ && !prev_separ);
}
static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(ImGuiInputTextState* obj, int idx) { idx--; while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_MAC(ImGuiInputTextState* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_left(obj, idx)) idx++; return idx > len ? len : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_WIN(ImGuiInputTextState* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(ImGuiInputTextState* obj, int idx) { ImGuiContext& g = *obj->Ctx; if (g.IO.ConfigMacOSXBehaviors) return STB_TEXTEDIT_MOVEWORDRIGHT_MAC(obj, idx); else return STB_TEXTEDIT_MOVEWORDRIGHT_WIN(obj, idx); }
#define STB_TEXTEDIT_MOVEWORDLEFT STB_TEXTEDIT_MOVEWORDLEFT_IMPL // They need to be #define for stb_textedit.h
#define STB_TEXTEDIT_MOVEWORDRIGHT STB_TEXTEDIT_MOVEWORDRIGHT_IMPL
static void STB_TEXTEDIT_DELETECHARS(ImGuiInputTextState* obj, int pos, int n)
{
ImWchar* dst = obj->TextW.Data + pos;
// We maintain our buffer length in both UTF-8 and wchar formats
obj->Edited = true;
obj->CurLenA -= ImTextCountUtf8BytesFromStr(dst, dst + n);
obj->CurLenW -= n;
// Offset remaining text (FIXME-OPT: Use memmove)
const ImWchar* src = obj->TextW.Data + pos + n;
while (ImWchar c = *src++)
*dst++ = c;
*dst = '\0';
}
static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const ImWchar* new_text, int new_text_len)
{
const bool is_resizable = (obj->Flags & ImGuiInputTextFlags_CallbackResize) != 0;
const int text_len = obj->CurLenW;
IM_ASSERT(pos <= text_len);
const int new_text_len_utf8 = ImTextCountUtf8BytesFromStr(new_text, new_text + new_text_len);
if (!is_resizable && (new_text_len_utf8 + obj->CurLenA + 1 > obj->BufCapacityA))
return false;
// Grow internal buffer if needed
if (new_text_len + text_len + 1 > obj->TextW.Size)
{
if (!is_resizable)
return false;
IM_ASSERT(text_len < obj->TextW.Size);
obj->TextW.resize(text_len + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1);
}
ImWchar* text = obj->TextW.Data;
if (pos != text_len)
memmove(text + pos + new_text_len, text + pos, (size_t)(text_len - pos) * sizeof(ImWchar));
memcpy(text + pos, new_text, (size_t)new_text_len * sizeof(ImWchar));
obj->Edited = true;
obj->CurLenW += new_text_len;
obj->CurLenA += new_text_len_utf8;
obj->TextW[obj->CurLenW] = '\0';
return true;
}
// We don't use an enum so we can build even with conflicting symbols (if another user of stb_textedit.h leak their STB_TEXTEDIT_K_* symbols)
#define STB_TEXTEDIT_K_LEFT 0x200000 // keyboard input to move cursor left
#define STB_TEXTEDIT_K_RIGHT 0x200001 // keyboard input to move cursor right
#define STB_TEXTEDIT_K_UP 0x200002 // keyboard input to move cursor up
#define STB_TEXTEDIT_K_DOWN 0x200003 // keyboard input to move cursor down
#define STB_TEXTEDIT_K_LINESTART 0x200004 // keyboard input to move cursor to start of line
#define STB_TEXTEDIT_K_LINEEND 0x200005 // keyboard input to move cursor to end of line
#define STB_TEXTEDIT_K_TEXTSTART 0x200006 // keyboard input to move cursor to start of text
#define STB_TEXTEDIT_K_TEXTEND 0x200007 // keyboard input to move cursor to end of text
#define STB_TEXTEDIT_K_DELETE 0x200008 // keyboard input to delete selection or character under cursor
#define STB_TEXTEDIT_K_BACKSPACE 0x200009 // keyboard input to delete selection or character left of cursor
#define STB_TEXTEDIT_K_UNDO 0x20000A // keyboard input to perform undo
#define STB_TEXTEDIT_K_REDO 0x20000B // keyboard input to perform redo
#define STB_TEXTEDIT_K_WORDLEFT 0x20000C // keyboard input to move cursor left one word
#define STB_TEXTEDIT_K_WORDRIGHT 0x20000D // keyboard input to move cursor right one word
#define STB_TEXTEDIT_K_PGUP 0x20000E // keyboard input to move cursor up a page
#define STB_TEXTEDIT_K_PGDOWN 0x20000F // keyboard input to move cursor down a page
#define STB_TEXTEDIT_K_SHIFT 0x400000
#define IMSTB_TEXTEDIT_IMPLEMENTATION
#define IMSTB_TEXTEDIT_memmove memmove
#include "imstb_textedit.h"
// stb_textedit internally allows for a single undo record to do addition and deletion, but somehow, calling
// the stb_textedit_paste() function creates two separate records, so we perform it manually. (FIXME: Report to nothings/stb?)
static void stb_textedit_replace(ImGuiInputTextState* str, STB_TexteditState* state, const IMSTB_TEXTEDIT_CHARTYPE* text, int text_len)
{
ImStb::stb_text_makeundo_replace(str, state, 0, str->CurLenW, text_len);
ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->CurLenW);
state->cursor = state->select_start = state->select_end = 0;
if (text_len <= 0)
return;
if (ImStb::STB_TEXTEDIT_INSERTCHARS(str, 0, text, text_len))
{
state->cursor = state->select_start = state->select_end = text_len;
state->has_preferred_x = 0;
return;
}
IM_ASSERT(0); // Failed to insert character, normally shouldn't happen because of how we currently use stb_textedit_replace()
}
} // namespace ImStb
static bool input_text_filter_character(ImGuiContext* ctx, unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data, bool input_source_is_clipboard = false)
{
unsigned int c = *p_char;
// Filter non-printable (NB: isprint is unreliable! see #2467)
bool apply_named_filters = true;
if (c < 0x20)
{
bool pass = false;
pass |= (c == '\n') && (flags & ImGuiInputTextFlags_Multiline) != 0; // Note that an Enter KEY will emit \r and be ignored (we poll for KEY in InputText() code)
pass |= (c == '\t') && (flags & ImGuiInputTextFlags_AllowTabInput) != 0;
if (!pass)
return false;
apply_named_filters = false; // Override named filters below so newline and tabs can still be inserted.
}
if (input_source_is_clipboard == false)
{
// We ignore Ascii representation of delete (emitted from Backspace on OSX, see #2578, #2817)
if (c == 127)
return false;
// Filter private Unicode range. GLFW on OSX seems to send private characters for special keys like arrow keys (FIXME)
if (c >= 0xE000 && c <= 0xF8FF)
return false;
}
// Filter Unicode ranges we are not handling in this build
if (c > IM_UNICODE_CODEPOINT_MAX)
return false;
// Generic named filters
if (apply_named_filters && (flags & (ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase | ImGuiInputTextFlags_CharsNoBlank | ImGuiInputTextFlags_CharsScientific | (ImGuiInputTextFlags)ImGuiInputTextFlags_LocalizeDecimalPoint)))
{
// The libc allows overriding locale, with e.g. 'setlocale(LC_NUMERIC, "de_DE.UTF-8");' which affect the output/input of printf/scanf to use e.g. ',' instead of '.'.
// The standard mandate that programs starts in the "C" locale where the decimal point is '.'.
// We don't really intend to provide widespread support for it, but out of empathy for people stuck with using odd API, we support the bare minimum aka overriding the decimal point.
// Change the default decimal_point with:
// ImGui::GetIO()->PlatformLocaleDecimalPoint = *localeconv()->decimal_point;
// Users of non-default decimal point (in particular ',') may be affected by word-selection logic (is_word_boundary_from_right/is_word_boundary_from_left) functions.
ImGuiContext& g = *ctx;
const unsigned c_decimal_point = (unsigned int)g.IO.PlatformLocaleDecimalPoint;
if (flags & (ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_CharsScientific | (ImGuiInputTextFlags)ImGuiInputTextFlags_LocalizeDecimalPoint))
if (c == '.' || c == ',')
c = c_decimal_point;
// Full-width -> half-width conversion for numeric fields (https://en.wikipedia.org/wiki/Halfwidth_and_Fullwidth_Forms_(Unicode_block)
// While this is mostly convenient, this has the side-effect for uninformed users accidentally inputting full-width characters that they may
// scratch their head as to why it works in numerical fields vs in generic text fields it would require support in the font.
if (flags & (ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_CharsScientific | ImGuiInputTextFlags_CharsHexadecimal))
if (c >= 0xFF01 && c <= 0xFF5E)
c = c - 0xFF01 + 0x21;
// Allow 0-9 . - + * /
if (flags & ImGuiInputTextFlags_CharsDecimal)
if (!(c >= '0' && c <= '9') && (c != c_decimal_point) && (c != '-') && (c != '+') && (c != '*') && (c != '/'))
return false;
// Allow 0-9 . - + * / e E
if (flags & ImGuiInputTextFlags_CharsScientific)
if (!(c >= '0' && c <= '9') && (c != c_decimal_point) && (c != '-') && (c != '+') && (c != '*') && (c != '/') && (c != 'e') && (c != 'E'))
return false;
// Allow 0-9 a-F A-F
if (flags & ImGuiInputTextFlags_CharsHexadecimal)
if (!(c >= '0' && c <= '9') && !(c >= 'a' && c <= 'f') && !(c >= 'A' && c <= 'F'))
return false;
// Turn a-z into A-Z
if (flags & ImGuiInputTextFlags_CharsUppercase)
if (c >= 'a' && c <= 'z')
c += (unsigned int)('A' - 'a');
if (flags & ImGuiInputTextFlags_CharsNoBlank)
if (ImCharIsBlankW(c))
return false;
*p_char = c;
}
// Custom callback filter
if (flags & ImGuiInputTextFlags_CallbackCharFilter)
{
ImGuiContext& g = *GImGui;
ImGuiInputTextCallbackData callback_data;
callback_data.Ctx = &g;
callback_data.EventFlag = ImGuiInputTextFlags_CallbackCharFilter;
callback_data.EventChar = (ImWchar)c;
callback_data.Flags = flags;
callback_data.UserData = user_data;
if (callback(&callback_data) != 0)
return false;
*p_char = callback_data.EventChar;
if (!callback_data.EventChar)
return false;
}
return true;
}
static int input_text_calc_text_len_and_line_count(const char* text_begin, const char** out_text_end)
{
int line_count = 0;
const char* s = text_begin;
while (char c = *s++) // We are only matching for \n so we can ignore UTF-8 decoding
if (c == '\n')
line_count++;
s--;
if (s[0] != '\n' && s[0] != '\r')
line_count++;
*out_text_end = s;
return line_count;
}
static void input_text_reconcile_undo_state_after_user_callback(ImGuiInputTextState* state, const char* new_buf_a, int new_length_a)
{
ImGuiContext& g = *GImGui;
const ImWchar* old_buf = state->TextW.Data;
const int old_length = state->CurLenW;
const int new_length = ImTextCountCharsFromUtf8(new_buf_a, new_buf_a + new_length_a);
g.TempBuffer.reserve_discard((new_length + 1) * sizeof(ImWchar));
ImWchar* new_buf = (ImWchar*)(void*)g.TempBuffer.Data;
ImTextStrFromUtf8(new_buf, new_length + 1, new_buf_a, new_buf_a + new_length_a);
const int shorter_length = ImMin(old_length, new_length);
int first_diff;
for (first_diff = 0; first_diff < shorter_length; first_diff++)
if (old_buf[first_diff] != new_buf[first_diff])
break;
if (first_diff == old_length && first_diff == new_length)
return;
int old_last_diff = old_length - 1;
int new_last_diff = new_length - 1;
for (; old_last_diff >= first_diff && new_last_diff >= first_diff; old_last_diff--, new_last_diff--)
if (old_buf[old_last_diff] != new_buf[new_last_diff])
break;
const int insert_len = new_last_diff - first_diff + 1;
const int delete_len = old_last_diff - first_diff + 1;
if (insert_len > 0 || delete_len > 0)
if (IMSTB_TEXTEDIT_CHARTYPE* p = stb_text_createundo(&state->Stb.undostate, first_diff, delete_len, insert_len))
for (int i = 0; i < delete_len; i++)
p[i] = ImStb::STB_TEXTEDIT_GETCHAR(state, first_diff + i);
}
bool input_text_ex(std::string_view label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* callback_user_data)
{
struct c_field
{
float line_offset;
};
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems) return false;
IM_ASSERT(buf != NULL && buf_size >= 0);
IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline)));
IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput)));
ImGuiContext& g = *GImGui;
ImGuiIO& io = g.IO;
const ImGuiStyle& style = g.Style;
const bool RENDER_SELECTION_WHEN_INACTIVE = false;
const bool is_multiline = (flags & ImGuiInputTextFlags_Multiline) != 0;
if (is_multiline) BeginGroup();
const ImGuiID id = window->GetID(label.data());
const ImVec2 label_size = CalcTextSize(label.data(), NULL, true);
const ImRect rect(window->DC.CursorPos, window->DC.CursorPos + size_arg);
ImGuiWindow* draw_window = window;
ImVec2 inner_size = size_arg;
ImGuiLastItemData item_data_backup;
if (is_multiline)
{
ImVec2 backup_pos = window->DC.CursorPos;
ItemSize(rect, style.FramePadding.y);
if (!ItemAdd(rect, id, &rect, ImGuiItemFlags_Inputable))
{
EndGroup();
return false;
}
item_data_backup = g.LastItemData;
window->DC.CursorPos = backup_pos;
if (g.NavActivateId == id && (g.NavActivateFlags & ImGuiActivateFlags_FromTabbing) && (flags & ImGuiInputTextFlags_AllowTabInput))
g.NavActivateId = 0;
const ImGuiID backup_activate_id = g.NavActivateId;
if (g.ActiveId == id) g.NavActivateId = 0;
PushStyleColor(ImGuiCol_ChildBg, style.Colors[ImGuiCol_FrameBg]);
PushStyleVar(ImGuiStyleVar_ChildRounding, style.FrameRounding);
PushStyleVar(ImGuiStyleVar_ChildBorderSize, style.FrameBorderSize);
PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
bool child_visible = BeginChildEx(label.data(), id, rect.GetSize(), true, ImGuiWindowFlags_NoMove);
g.NavActivateId = backup_activate_id;
PopStyleVar(3);
PopStyleColor();
if (!child_visible)
{
EndChild();
EndGroup();
return false;
}
draw_window = g.CurrentWindow;
draw_window->DC.NavLayersActiveMaskNext |= (1 << draw_window->DC.NavLayerCurrent);
draw_window->DC.CursorPos += style.FramePadding;
inner_size.x -= draw_window->ScrollbarSizes.x;
}
else
{
ItemSize(rect, style.FramePadding.y);
if (!(flags & ImGuiInputTextFlags_MergedItem))
if (!ItemAdd(rect, id, &rect, ImGuiItemFlags_Inputable)) return false;
}
const bool hovered = ItemHoverable(rect, id, g.LastItemData.InFlags);
if (hovered)
g.MouseCursor = ImGuiMouseCursor_TextInput;
ImGuiInputTextState* state = GetInputTextState(id);
if (g.LastItemData.InFlags & ImGuiItemFlags_ReadOnly)
flags |= ImGuiInputTextFlags_ReadOnly;
const bool is_readonly = (flags & ImGuiInputTextFlags_ReadOnly) != 0;
const bool is_password = (flags & ImGuiInputTextFlags_Password) != 0;
const bool is_undoable = (flags & ImGuiInputTextFlags_NoUndoRedo) == 0;
const bool is_resizable = (flags & ImGuiInputTextFlags_CallbackResize) != 0;
if (is_resizable)
IM_ASSERT(callback != NULL);
const bool input_requested_by_nav = (g.ActiveId != id) && ((g.NavActivateId == id) && ((g.NavActivateFlags & ImGuiActivateFlags_PreferInput) || (g.NavInputSource == ImGuiInputSource_Keyboard)));
const bool user_clicked = hovered && io.MouseClicked[0];
const bool user_scroll_finish = is_multiline && state != NULL && g.ActiveId == 0 && g.ActiveIdPreviousFrame == GetWindowScrollbarID(draw_window, ImGuiAxis_Y);
const bool user_scroll_active = is_multiline && state != NULL && g.ActiveId == GetWindowScrollbarID(draw_window, ImGuiAxis_Y);
bool clear_active_id = false;
bool select_all = false;
float scroll_y = is_multiline ? draw_window->Scroll.y : FLT_MAX;
const bool init_reload_from_user_buf = (state != NULL && state->ReloadUserBuf);
const bool init_changed_specs = (state != NULL && state->Stb.single_line != !is_multiline);
const bool init_make_active = (user_clicked || user_scroll_finish || input_requested_by_nav);
const bool init_state = (init_make_active || user_scroll_active);
if ((init_state && g.ActiveId != id) || init_changed_specs || init_reload_from_user_buf)
{
state = &g.InputTextState;
state->CursorAnimReset();
state->ReloadUserBuf = false;
InputTextDeactivateHook(state->ID);
const int buf_len = (int)strlen(buf);
if (!init_reload_from_user_buf)
{
state->InitialTextA.resize(buf_len + 1);
memcpy(state->InitialTextA.Data, buf, buf_len + 1);
}
bool recycle_state = (state->ID == id && !init_changed_specs && !init_reload_from_user_buf);
if (recycle_state && (state->CurLenA != buf_len || (state->TextAIsValid && strncmp(state->TextA.Data, buf, buf_len) != 0)))
recycle_state = false;
const char* buf_end = NULL;
state->ID = id;
state->TextW.resize(buf_size + 1);
state->TextA.resize(0);
state->TextAIsValid = false;
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, buf_size, buf, NULL, &buf_end);
state->CurLenA = (int)(buf_end - buf);
if (recycle_state)
{
state->CursorClamp();
}
else
{
state->ScrollX = 0.0f;
stb_textedit_initialize_state(&state->Stb, !is_multiline);
}
if (init_reload_from_user_buf)
{
state->Stb.select_start = state->ReloadSelectionStart;
state->Stb.cursor = state->Stb.select_end = state->ReloadSelectionEnd;
state->CursorClamp();
}
else if (!is_multiline)
{
if (flags & ImGuiInputTextFlags_AutoSelectAll)
select_all = true;
if (input_requested_by_nav && (!recycle_state || !(g.NavActivateFlags & ImGuiActivateFlags_TryToPreserveState)))
select_all = true;
if (user_clicked && io.KeyCtrl)
select_all = true;
}
if (flags & ImGuiInputTextFlags_AlwaysOverwrite)
state->Stb.insert_mode = 1;
}
const bool is_osx = io.ConfigMacOSXBehaviors;
if (g.ActiveId != id && init_make_active)
{
IM_ASSERT(state && state->ID == id);
SetActiveID(id, window);
SetFocusID(id, window);
FocusWindow(window);
}
if (g.ActiveId == id)
{
if (user_clicked)
SetKeyOwner(ImGuiKey_MouseLeft, id);
g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
if (is_multiline || (flags & ImGuiInputTextFlags_CallbackHistory))
g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down);
SetKeyOwner(ImGuiKey_Enter, id);
SetKeyOwner(ImGuiKey_KeypadEnter, id);
SetKeyOwner(ImGuiKey_Home, id);
SetKeyOwner(ImGuiKey_End, id);
if (is_multiline)
{
SetKeyOwner(ImGuiKey_PageUp, id);
SetKeyOwner(ImGuiKey_PageDown, id);
}
if (is_osx)
SetKeyOwner(ImGuiMod_Alt, id);
}
if (g.ActiveId == id && state == NULL)
ClearActiveID();
if (g.ActiveId == id && io.MouseClicked[0] && !init_state && !init_make_active)
clear_active_id = true;
bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active);
bool render_selection = state && (state->HasSelection() || select_all) && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
bool value_changed = false;
bool validated = false;
if (is_readonly && state != NULL && (render_cursor || render_selection))
{
const char* buf_end = NULL;
state->TextW.resize(buf_size + 1);
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end);
state->CurLenA = (int)(buf_end - buf);
state->CursorClamp();
render_selection &= state->HasSelection();
}
const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state && state->TextAIsValid;
const bool is_displaying_hint = (hint != NULL && (buf_display_from_state ? state->TextA.Data : buf)[0] == 0);
if (is_password && !is_displaying_hint)
{
const ImFontGlyph* glyph = g.Font->FindGlyph('*');
ImFont* password_font = &g.InputTextPasswordFont;
password_font->FontSize = g.Font->FontSize;
password_font->Scale = g.Font->Scale;
password_font->Ascent = g.Font->Ascent;
password_font->Descent = g.Font->Descent;
password_font->ContainerAtlas = g.Font->ContainerAtlas;
password_font->FallbackGlyph = glyph;
password_font->FallbackAdvanceX = glyph->AdvanceX;
IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty());
PushFont(password_font);
}
int backup_current_text_length = 0;
if (g.ActiveId == id)
{
IM_ASSERT(state != NULL);
backup_current_text_length = state->CurLenA;
state->Edited = false;
state->BufCapacityA = buf_size;
state->Flags = flags;
g.ActiveIdAllowOverlap = !io.MouseDown[0];
const float mouse_x = (io.MousePos.x - rect.Min.x - style.FramePadding.x) + state->ScrollX;
const float mouse_y = (is_multiline ? (io.MousePos.y - draw_window->DC.CursorPos.y) : (g.FontSize * 0.5f));
if (select_all)
{
state->SelectAll();
state->SelectedAllMouseLock = true;
}
else if (hovered && io.MouseClickedCount[0] >= 2 && !io.KeyShift)
{
stb_textedit_click(state, &state->Stb, mouse_x, mouse_y);
const int multiclick_count = (io.MouseClickedCount[0] - 2);
if ((multiclick_count % 2) == 0)
{
const bool is_bol = (state->Stb.cursor == 0) || ImStb::STB_TEXTEDIT_GETCHAR(state, state->Stb.cursor - 1) == '\n';
if (STB_TEXT_HAS_SELECTION(&state->Stb) || !is_bol)
state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT);
if (!STB_TEXT_HAS_SELECTION(&state->Stb))
ImStb::stb_textedit_prep_selection_at_cursor(&state->Stb);
state->Stb.cursor = ImStb::STB_TEXTEDIT_MOVEWORDRIGHT_MAC(state, state->Stb.cursor);
state->Stb.select_end = state->Stb.cursor;
ImStb::stb_textedit_clamp(state, &state->Stb);
}
else
{
const bool is_eol = ImStb::STB_TEXTEDIT_GETCHAR(state, state->Stb.cursor) == '\n';
state->OnKeyPressed(STB_TEXTEDIT_K_LINESTART);
state->OnKeyPressed(STB_TEXTEDIT_K_LINEEND | STB_TEXTEDIT_K_SHIFT);
state->OnKeyPressed(STB_TEXTEDIT_K_RIGHT | STB_TEXTEDIT_K_SHIFT);
if (!is_eol && is_multiline)
{
ImSwap(state->Stb.select_start, state->Stb.select_end);
state->Stb.cursor = state->Stb.select_end;
}
state->CursorFollow = false;
}
state->CursorAnimReset();
}
else if (io.MouseClicked[0] && !state->SelectedAllMouseLock)
{
if (hovered)
{
if (io.KeyShift)
stb_textedit_drag(state, &state->Stb, mouse_x, mouse_y);
else
stb_textedit_click(state, &state->Stb, mouse_x, mouse_y);
state->CursorAnimReset();
}
}
else if (io.MouseDown[0] && !state->SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f))
{
stb_textedit_drag(state, &state->Stb, mouse_x, mouse_y);
state->CursorAnimReset();
state->CursorFollow = true;
}
if (state->SelectedAllMouseLock && !io.MouseDown[0])
state->SelectedAllMouseLock = false;
if ((flags & ImGuiInputTextFlags_AllowTabInput) && !is_readonly)
{
if (Shortcut(ImGuiKey_Tab, ImGuiInputFlags_Repeat, id))
{
unsigned int c = '\t';
if (input_text_filter_character(&g, &c, flags, callback, callback_user_data))
state->OnKeyPressed((int)c);
}
}
const bool ignore_char_inputs = (io.KeyCtrl && !io.KeyAlt) || (is_osx && io.KeyCtrl);
if (io.InputQueueCharacters.Size > 0)
{
if (!ignore_char_inputs && !is_readonly && !input_requested_by_nav)
for (int n = 0; n < io.InputQueueCharacters.Size; n++)
{
unsigned int c = (unsigned int)io.InputQueueCharacters[n];
if (c == '\t')
continue;
if (input_text_filter_character(&g, &c, flags, callback, callback_user_data))
state->OnKeyPressed((int)c);
}
io.InputQueueCharacters.resize(0);
}
}
bool revert_edit = false;
if (g.ActiveId == id && !g.ActiveIdIsJustActivated && !clear_active_id)
{
IM_ASSERT(state != NULL);
const int row_count_per_page = ImMax((int)((inner_size.y - style.FramePadding.y) / g.FontSize), 1);
state->Stb.row_count_per_page = row_count_per_page;
const int k_mask = (io.KeyShift ? STB_TEXTEDIT_K_SHIFT : 0);
const bool is_wordmove_key_down = is_osx ? io.KeyAlt : io.KeyCtrl;
const bool is_startend_key_down = is_osx && io.KeyCtrl && !io.KeySuper && !io.KeyAlt;
const ImGuiInputFlags f_repeat = ImGuiInputFlags_Repeat;
const bool is_cut = (Shortcut(ImGuiMod_Ctrl | ImGuiKey_X, f_repeat, id) || Shortcut(ImGuiMod_Shift | ImGuiKey_Delete, f_repeat, id)) && !is_readonly && !is_password && (!is_multiline || state->HasSelection());
const bool is_copy = (Shortcut(ImGuiMod_Ctrl | ImGuiKey_C, 0, id) || Shortcut(ImGuiMod_Ctrl | ImGuiKey_Insert, 0, id)) && !is_password && (!is_multiline || state->HasSelection());
const bool is_paste = (Shortcut(ImGuiMod_Ctrl | ImGuiKey_V, f_repeat, id) || Shortcut(ImGuiMod_Shift | ImGuiKey_Insert, f_repeat, id)) && !is_readonly;
const bool is_undo = (Shortcut(ImGuiMod_Ctrl | ImGuiKey_Z, f_repeat, id)) && !is_readonly && is_undoable;
const bool is_redo = (Shortcut(ImGuiMod_Ctrl | ImGuiKey_Y, f_repeat, id) || (is_osx && Shortcut(ImGuiMod_Ctrl | ImGuiMod_Shift | ImGuiKey_Z, f_repeat, id))) && !is_readonly && is_undoable;
const bool is_select_all = Shortcut(ImGuiMod_Ctrl | ImGuiKey_A, 0, id);
const bool nav_gamepad_active = (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) != 0 && (io.BackendFlags & ImGuiBackendFlags_HasGamepad) != 0;
const bool is_enter_pressed = IsKeyPressed(ImGuiKey_Enter, true) || IsKeyPressed(ImGuiKey_KeypadEnter, true);
const bool is_gamepad_validate = nav_gamepad_active && (IsKeyPressed(ImGuiKey_NavGamepadActivate, false) || IsKeyPressed(ImGuiKey_NavGamepadInput, false));
const bool is_cancel = Shortcut(ImGuiKey_Escape, f_repeat, id) || (nav_gamepad_active && Shortcut(ImGuiKey_NavGamepadCancel, f_repeat, id));
if (IsKeyPressed(ImGuiKey_LeftArrow)) { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINESTART : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDLEFT : STB_TEXTEDIT_K_LEFT) | k_mask); }
else if (IsKeyPressed(ImGuiKey_RightArrow)) { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINEEND : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDRIGHT : STB_TEXTEDIT_K_RIGHT) | k_mask); }
else if (IsKeyPressed(ImGuiKey_UpArrow) && is_multiline) { if (io.KeyCtrl) SetScrollY(draw_window, ImMax(draw_window->Scroll.y - g.FontSize, 0.0f)); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTSTART : STB_TEXTEDIT_K_UP) | k_mask); }
else if (IsKeyPressed(ImGuiKey_DownArrow) && is_multiline) { if (io.KeyCtrl) SetScrollY(draw_window, ImMin(draw_window->Scroll.y + g.FontSize, GetScrollMaxY())); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTEND : STB_TEXTEDIT_K_DOWN) | k_mask); }
else if (IsKeyPressed(ImGuiKey_PageUp) && is_multiline) { state->OnKeyPressed(STB_TEXTEDIT_K_PGUP | k_mask); scroll_y -= row_count_per_page * g.FontSize; }
else if (IsKeyPressed(ImGuiKey_PageDown) && is_multiline) { state->OnKeyPressed(STB_TEXTEDIT_K_PGDOWN | k_mask); scroll_y += row_count_per_page * g.FontSize; }
else if (IsKeyPressed(ImGuiKey_Home)) { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); }
else if (IsKeyPressed(ImGuiKey_End)) { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); }
else if (IsKeyPressed(ImGuiKey_Delete) && !is_readonly && !is_cut)
{
if (!state->HasSelection())
{
if (is_wordmove_key_down)
state->OnKeyPressed(STB_TEXTEDIT_K_WORDRIGHT | STB_TEXTEDIT_K_SHIFT);
}
state->OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask);
}
else if (IsKeyPressed(ImGuiKey_Backspace) && !is_readonly)
{
if (!state->HasSelection())
{
if (is_wordmove_key_down)
state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT | STB_TEXTEDIT_K_SHIFT);
else if (is_osx && io.KeyCtrl && !io.KeyAlt && !io.KeySuper)
state->OnKeyPressed(STB_TEXTEDIT_K_LINESTART | STB_TEXTEDIT_K_SHIFT);
}
state->OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask);
}
else if (is_enter_pressed || is_gamepad_validate)
{
bool ctrl_enter_for_new_line = (flags & ImGuiInputTextFlags_CtrlEnterForNewLine) != 0;
if (!is_multiline || is_gamepad_validate || (ctrl_enter_for_new_line && !io.KeyCtrl) || (!ctrl_enter_for_new_line && io.KeyCtrl))
{
validated = true;
if (io.ConfigInputTextEnterKeepActive && !is_multiline)
state->SelectAll();
else
clear_active_id = true;
}
else if (!is_readonly)
{
unsigned int c = '\n';
if (input_text_filter_character(&g, &c, flags, callback, callback_user_data))
state->OnKeyPressed((int)c);
}
}
else if (is_cancel)
{
if (flags & ImGuiInputTextFlags_EscapeClearsAll)
{
if (buf[0] != 0)
{
revert_edit = true;
}
else
{
render_cursor = render_selection = false;
clear_active_id = true;
}
}
else
{
clear_active_id = revert_edit = true;
render_cursor = render_selection = false;
}
}
else if (is_undo || is_redo)
{
state->OnKeyPressed(is_undo ? STB_TEXTEDIT_K_UNDO : STB_TEXTEDIT_K_REDO);
state->ClearSelection();
}
else if (is_select_all)
{
state->SelectAll();
state->CursorFollow = true;
}
else if (is_cut || is_copy)
{
if (io.SetClipboardTextFn)
{
const int ib = state->HasSelection() ? ImMin(state->Stb.select_start, state->Stb.select_end) : 0;
const int ie = state->HasSelection() ? ImMax(state->Stb.select_start, state->Stb.select_end) : state->CurLenW;
const int clipboard_data_len = ImTextCountUtf8BytesFromStr(state->TextW.Data + ib, state->TextW.Data + ie) + 1;
char* clipboard_data = (char*)IM_ALLOC(clipboard_data_len * sizeof(char));
ImTextStrToUtf8(clipboard_data, clipboard_data_len, state->TextW.Data + ib, state->TextW.Data + ie);
SetClipboardText(clipboard_data);
MemFree(clipboard_data);
}
if (is_cut)
{
if (!state->HasSelection())
state->SelectAll();
state->CursorFollow = true;
stb_textedit_cut(state, &state->Stb);
}
}
else if (is_paste)
{
if (const char* clipboard = GetClipboardText())
{
const int clipboard_len = (int)strlen(clipboard);
ImWchar* clipboard_filtered = (ImWchar*)IM_ALLOC((clipboard_len + 1) * sizeof(ImWchar));
int clipboard_filtered_len = 0;
for (const char* s = clipboard; *s != 0; )
{
unsigned int c;
s += ImTextCharFromUtf8(&c, s, NULL);
if (!input_text_filter_character(&g, &c, flags, callback, callback_user_data, true))
continue;
clipboard_filtered[clipboard_filtered_len++] = (ImWchar)c;
}
clipboard_filtered[clipboard_filtered_len] = 0;
if (clipboard_filtered_len > 0)
{
stb_textedit_paste(state, &state->Stb, clipboard_filtered, clipboard_filtered_len);
state->CursorFollow = true;
}
MemFree(clipboard_filtered);
}
}
render_selection |= state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
}
const char* apply_new_text = NULL;
int apply_new_text_length = 0;
if (g.ActiveId == id)
{
IM_ASSERT(state != NULL);
if (revert_edit && !is_readonly)
{
if (flags & ImGuiInputTextFlags_EscapeClearsAll)
{
IM_ASSERT(buf[0] != 0);
apply_new_text = "";
apply_new_text_length = 0;
value_changed = true;
IMSTB_TEXTEDIT_CHARTYPE empty_string;
stb_textedit_replace(state, &state->Stb, &empty_string, 0);
}
else if (strcmp(buf, state->InitialTextA.Data) != 0)
{
apply_new_text = state->InitialTextA.Data;
apply_new_text_length = state->InitialTextA.Size - 1;
value_changed = true;
ImVector<ImWchar> w_text;
if (apply_new_text_length > 0)
{
w_text.resize(ImTextCountCharsFromUtf8(apply_new_text, apply_new_text + apply_new_text_length) + 1);
ImTextStrFromUtf8(w_text.Data, w_text.Size, apply_new_text, apply_new_text + apply_new_text_length);
}
stb_textedit_replace(state, &state->Stb, w_text.Data, (apply_new_text_length > 0) ? (w_text.Size - 1) : 0);
}
}
if (!is_readonly)
{
state->TextAIsValid = true;
state->TextA.resize(state->TextW.Size * 4 + 1);
ImTextStrToUtf8(state->TextA.Data, state->TextA.Size, state->TextW.Data, NULL);
}
const bool apply_edit_back_to_user_buffer = !revert_edit || (validated && (flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0);
if (apply_edit_back_to_user_buffer)
{
if ((flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_CallbackHistory | ImGuiInputTextFlags_CallbackEdit | ImGuiInputTextFlags_CallbackAlways)) != 0)
{
IM_ASSERT(callback != NULL);
ImGuiInputTextFlags event_flag = 0;
ImGuiKey event_key = ImGuiKey_None;
if ((flags & ImGuiInputTextFlags_CallbackCompletion) != 0 && Shortcut(ImGuiKey_Tab, 0, id))
{
event_flag = ImGuiInputTextFlags_CallbackCompletion;
event_key = ImGuiKey_Tab;
}
else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressed(ImGuiKey_UpArrow))
{
event_flag = ImGuiInputTextFlags_CallbackHistory;
event_key = ImGuiKey_UpArrow;
}
else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressed(ImGuiKey_DownArrow))
{
event_flag = ImGuiInputTextFlags_CallbackHistory;
event_key = ImGuiKey_DownArrow;
}
else if ((flags & ImGuiInputTextFlags_CallbackEdit) && state->Edited)
{
event_flag = ImGuiInputTextFlags_CallbackEdit;
}
else if (flags & ImGuiInputTextFlags_CallbackAlways)
{
event_flag = ImGuiInputTextFlags_CallbackAlways;
}
if (event_flag)
{
ImGuiInputTextCallbackData callback_data;
callback_data.Ctx = &g;
callback_data.EventFlag = event_flag;
callback_data.Flags = flags;
callback_data.UserData = callback_user_data;
char* callback_buf = is_readonly ? buf : state->TextA.Data;
callback_data.EventKey = event_key;
callback_data.Buf = callback_buf;
callback_data.BufTextLen = state->CurLenA;
callback_data.BufSize = state->BufCapacityA;
callback_data.BufDirty = false;
ImWchar* text = state->TextW.Data;
const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + state->Stb.cursor);
const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_start);
const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_end);
callback(&callback_data);
callback_buf = is_readonly ? buf : state->TextA.Data;
IM_ASSERT(callback_data.Buf == callback_buf);
IM_ASSERT(callback_data.BufSize == state->BufCapacityA);
IM_ASSERT(callback_data.Flags == flags);
const bool buf_dirty = callback_data.BufDirty;
if (callback_data.CursorPos != utf8_cursor_pos || buf_dirty) { state->Stb.cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); state->CursorFollow = true; }
if (callback_data.SelectionStart != utf8_selection_start || buf_dirty) { state->Stb.select_start = (callback_data.SelectionStart == callback_data.CursorPos) ? state->Stb.cursor : ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
if (callback_data.SelectionEnd != utf8_selection_end || buf_dirty) { state->Stb.select_end = (callback_data.SelectionEnd == callback_data.SelectionStart) ? state->Stb.select_start : ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
if (buf_dirty)
{
IM_ASSERT(!is_readonly);
IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf));
input_text_reconcile_undo_state_after_user_callback(state, callback_data.Buf, callback_data.BufTextLen);
if (callback_data.BufTextLen > backup_current_text_length && is_resizable)
state->TextW.resize(state->TextW.Size + (callback_data.BufTextLen - backup_current_text_length));
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, callback_data.Buf, NULL);
state->CurLenA = callback_data.BufTextLen;
state->CursorAnimReset();
}
}
}
if (!is_readonly && strcmp(state->TextA.Data, buf) != 0)
{
apply_new_text = state->TextA.Data;
apply_new_text_length = state->CurLenA;
value_changed = true;
}
}
}
if (g.InputTextDeactivatedState.ID == id)
{
if (g.ActiveId != id && IsItemDeactivatedAfterEdit() && !is_readonly && strcmp(g.InputTextDeactivatedState.TextA.Data, buf) != 0)
{
apply_new_text = g.InputTextDeactivatedState.TextA.Data;
apply_new_text_length = g.InputTextDeactivatedState.TextA.Size - 1;
value_changed = true;
}
g.InputTextDeactivatedState.ID = 0;
}
if (apply_new_text != NULL)
{
IM_ASSERT(apply_new_text_length >= 0);
if (is_resizable)
{
ImGuiInputTextCallbackData callback_data;
callback_data.Ctx = &g;
callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize;
callback_data.Flags = flags;
callback_data.Buf = buf;
callback_data.BufTextLen = apply_new_text_length;
callback_data.BufSize = ImMax(buf_size, apply_new_text_length + 1);
callback_data.UserData = callback_user_data;
callback(&callback_data);
buf = callback_data.Buf;
buf_size = callback_data.BufSize;
apply_new_text_length = ImMin(callback_data.BufTextLen, buf_size - 1);
IM_ASSERT(apply_new_text_length <= buf_size);
}
ImStrncpy(buf, apply_new_text, ImMin(apply_new_text_length + 1, buf_size));
}
if (g.ActiveId == id && clear_active_id)
ClearActiveID();
else if (g.ActiveId == id)
g.WantTextInputNextFrame = 1;
c_field* c_state = gui->anim_container(&c_state, id);
if (!is_multiline)
{
draw->add_rect_filled(window->DrawList, rect.Min, rect.Max, gui->get_clr(clr->c_element.layout), SCALE(set->c_element.rounding));
draw->render_text(window->DrawList, set->c_font.icon[0], rect.Max - ImVec2(size_arg.y, size_arg.y), rect.Max, gui->get_clr(clr->c_other_clr.accent_clr), label.data(), 0, 0, { 0.5, 0.5 });
}
const ImVec4 clip_rect(rect.Min.x, rect.Min.y, rect.Min.x + (inner_size.x - size_arg.y), rect.Min.y + inner_size.y);
ImVec2 draw_pos = is_multiline ? draw_window->DC.CursorPos : rect.Min + ImVec2((size_arg.y - CalcTextSize(label.data()).y) / 2, (size_arg.y - CalcTextSize(label.data()).y) / 2);
ImVec2 text_size(0.0f, 0.0f);
const int buf_display_max_length = 2 * 1024 * 1024;
const char* buf_display = buf_display_from_state ? state->TextA.Data : buf;
const char* buf_display_end = NULL;
if (is_displaying_hint)
{
buf_display = hint;
buf_display_end = hint + strlen(hint);
}
if (render_cursor || render_selection)
{
IM_ASSERT(state != NULL);
if (!is_displaying_hint)
buf_display_end = buf_display + state->CurLenA;
const ImWchar* text_begin = state->TextW.Data;
ImVec2 cursor_offset, select_start_offset;
{
const ImWchar* searches_input_ptr[2] = { NULL, NULL };
int searches_result_line_no[2] = { -1000, -1000 };
int searches_remaining = 0;
if (render_cursor)
{
searches_input_ptr[0] = text_begin + state->Stb.cursor;
searches_result_line_no[0] = -1;
searches_remaining++;
}
if (render_selection)
{
searches_input_ptr[1] = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end);
searches_result_line_no[1] = -1;
searches_remaining++;
}
searches_remaining += is_multiline ? 1 : 0;
int line_count = 0;
for (const ImWchar* s = text_begin; *s != 0; s++)
if (*s == '\n')
{
line_count++;
if (searches_result_line_no[0] == -1 && s >= searches_input_ptr[0]) { searches_result_line_no[0] = line_count; if (--searches_remaining <= 0) break; }
if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; }
}
line_count++;
if (searches_result_line_no[0] == -1)
searches_result_line_no[0] = line_count;
if (searches_result_line_no[1] == -1)
searches_result_line_no[1] = line_count;
cursor_offset.x = input_text_calc_text_size_w(&g, ImStrbolW(searches_input_ptr[0], text_begin), searches_input_ptr[0]).x;
cursor_offset.y = searches_result_line_no[0] * g.FontSize;
if (searches_result_line_no[1] >= 0)
{
select_start_offset.x = input_text_calc_text_size_w(&g, ImStrbolW(searches_input_ptr[1], text_begin), searches_input_ptr[1]).x;
select_start_offset.y = searches_result_line_no[1] * g.FontSize;
}
if (is_multiline)
text_size = ImVec2(inner_size.x, line_count * g.FontSize);
}
if (render_cursor && state->CursorFollow)
{
if (!(flags & ImGuiInputTextFlags_NoHorizontalScroll))
{
const float scroll_increment_x = inner_size.x * 0.25f;
const float visible_width = inner_size.x - style.FramePadding.x;
if (cursor_offset.x < state->ScrollX)
state->ScrollX = IM_TRUNC(ImMax(0.0f, cursor_offset.x - scroll_increment_x));
else if (cursor_offset.x - visible_width >= state->ScrollX)
state->ScrollX = IM_TRUNC(cursor_offset.x - visible_width + scroll_increment_x);
}
else
{
state->ScrollX = 0.0f;
}
if (is_multiline)
{
if (cursor_offset.y - g.FontSize < scroll_y)
scroll_y = ImMax(0.0f, cursor_offset.y - g.FontSize);
else if (cursor_offset.y - (inner_size.y - style.FramePadding.y * 2.0f) >= scroll_y)
scroll_y = cursor_offset.y - inner_size.y + style.FramePadding.y * 2.0f;
const float scroll_max_y = ImMax((text_size.y + style.FramePadding.y * 2.0f) - inner_size.y, 0.0f);
scroll_y = ImClamp(scroll_y, 0.0f, scroll_max_y);
draw_pos.y += (draw_window->Scroll.y - scroll_y);
draw_window->Scroll.y = scroll_y;
}
state->CursorFollow = false;
}
// Draw selection
const ImVec2 draw_scroll = ImVec2(state->ScrollX, 0.0f);
if (render_selection)
{
const ImWchar* text_selected_begin = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end);
const ImWchar* text_selected_end = text_begin + ImMax(state->Stb.select_start, state->Stb.select_end);
ImU32 bg_color = gui->get_clr(clr->c_other_clr.accent_clr, render_cursor ? 0.2f : 0.2f);
float bg_offy_up = is_multiline ? 0.0f : -1.0f;
float bg_offy_dn = is_multiline ? 0.0f : 2.0f;
ImVec2 rect_pos = draw_pos + select_start_offset - draw_scroll;
for (const ImWchar* p = text_selected_begin; p < text_selected_end; )
{
if (rect_pos.y > clip_rect.w + g.FontSize)
break;
if (rect_pos.y < clip_rect.y)
{
while (p < text_selected_end)
if (*p++ == '\n') break;
}
else
{
ImVec2 rect_size = input_text_calc_text_size_w(&g, p, text_selected_end, &p, NULL, true);
if (rect_size.x <= 0.0f) rect_size.x = IM_TRUNC(g.Font->GetCharAdvance((ImWchar)' ') * 0.50f);
ImRect rect(rect_pos + ImVec2(0.0f, bg_offy_up - g.FontSize), rect_pos + ImVec2(rect_size.x, bg_offy_dn));
rect.ClipWith(clip_rect);
if (rect.Overlaps(clip_rect))
draw->add_rect_filled(window->DrawList, rect.Min, rect.Max, bg_color);
}
rect_pos.x = draw_pos.x - draw_scroll.x;
rect_pos.y += g.FontSize;
}
}
if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
{
ImU32 col = gui->get_clr(is_displaying_hint ? clr->c_text.text : clr->c_text.text_active);
draw->add_text(window->DrawList, g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
}
if (render_cursor)
{
state->CursorAnim += io.DeltaTime;
bool cursor_is_visible = (!g.IO.ConfigInputTextCursorBlink) || (state->CursorAnim <= 0.0f) || ImFmod(state->CursorAnim, 1.20f) <= 0.80f;
ImVec2 cursor_screen_pos = ImTrunc(draw_pos + cursor_offset - draw_scroll);
ImRect cursor_screen_rect(cursor_screen_pos.x, cursor_screen_pos.y - g.FontSize + 0.5f, cursor_screen_pos.x + 1.0f, cursor_screen_pos.y - 1.5f);
c_state->line_offset = ImLerp(c_state->line_offset, cursor_screen_rect.Min.x - rect.Min.x, gui->fixed_speed(16.f));
if (cursor_is_visible && cursor_screen_rect.Overlaps(clip_rect)) draw->add_line(window->DrawList, ImVec2(rect.Min.x + c_state->line_offset, cursor_screen_rect.Min.y), ImVec2(rect.Min.x + c_state->line_offset, cursor_screen_rect.GetBL().y), gui->get_clr(clr->c_text.text_active));
if (!is_readonly)
{
g.PlatformImeData.WantVisible = true;
g.PlatformImeData.InputPos = ImVec2(cursor_screen_pos.x - 1.0f, cursor_screen_pos.y - g.FontSize);
g.PlatformImeData.InputLineHeight = g.FontSize;
}
}
}
else
{
if (is_multiline) text_size = ImVec2(inner_size.x, input_text_calc_text_len_and_line_count(buf_display, &buf_display_end) * g.FontSize);
else if (!is_displaying_hint && g.ActiveId == id) buf_display_end = buf_display + state->CurLenA;
else if (!is_displaying_hint) buf_display_end = buf_display + strlen(buf_display);
if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
{
ImU32 col = gui->get_clr(is_displaying_hint ? clr->c_text.text : clr->c_text.text_active);
draw->add_text(window->DrawList, g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
}
}
if (is_password && !is_displaying_hint)
PopFont();
if (is_multiline)
{
Dummy(ImVec2(text_size.x, text_size.y + style.FramePadding.y));
g.NextItemData.ItemFlags |= ImGuiItemFlags_Inputable | ImGuiItemFlags_NoTabStop;
EndChild();
item_data_backup.StatusFlags |= (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_HoveredWindow);
EndGroup();
if (g.LastItemData.ID == 0)
{
g.LastItemData.ID = id;
g.LastItemData.InFlags = item_data_backup.InFlags;
g.LastItemData.StatusFlags = item_data_backup.StatusFlags;
}
}
if (value_changed && !(flags & ImGuiInputTextFlags_NoMarkEdited)) MarkItemEdited(id);
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Inputable);
if ((flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0)
return validated;
else
return value_changed;
}
bool c_widget::text_field(std::string_view hint, std::string_view label, char* buf, size_t buf_size, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
{
IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline));
return input_text_ex(label.data(), hint.data(), buf, (int)buf_size, size, flags, callback, user_data);
}