#include <src/imgui/imgui.h>

Public Member Functions
IMGUI_API	ImGuiInputTextCallbackData ()

IMGUI_API void	DeleteChars (int pos, int bytes_count)

IMGUI_API void	InsertChars (int pos, const char text, const char text_end=NULL)

void	SelectAll ()

void	ClearSelection ()

bool	HasSelection () const

Public Attributes
ImGuiInputTextFlags	EventFlag

ImGuiInputTextFlags	Flags

void *	UserData

ImWchar	EventChar

ImGuiKey	EventKey

char *	Buf

int	BufTextLen

int	BufSize

bool	BufDirty

int	CursorPos

int	SelectionStart

int	SelectionEnd

Detailed Description

Constructor & Destructor Documentation

◆ ImGuiInputTextCallbackData()

ImGuiInputTextCallbackData::ImGuiInputTextCallbackData ( )

{
    memset(this, 0, sizeof(*this));
}

Member Function Documentation

◆ ClearSelection()

void ImGuiInputTextCallbackData::ClearSelection ( )

inline

1941{ SelectionStart = SelectionEnd = BufTextLen; }

ImGuiInputTextCallbackData::SelectionEnd

int SelectionEnd

Definition imgui.h:1933

ImGuiInputTextCallbackData::SelectionStart

int SelectionStart

Definition imgui.h:1932

ImGuiInputTextCallbackData::BufTextLen

int BufTextLen

Definition imgui.h:1928

◆ DeleteChars()

void ImGuiInputTextCallbackData::DeleteChars	(	int	pos,
		int	bytes_count
	)

{
    IM_ASSERT(pos + bytes_count <= BufTextLen);
    char* dst = Buf + pos;
    const char* src = Buf + pos + bytes_count;
    while (char c = *src++)
        *dst++ = c;
    *dst = '\0';
 
    if (CursorPos >= pos + bytes_count)
        CursorPos -= bytes_count;
    else if (CursorPos >= pos)
        CursorPos = pos;
    SelectionStart = SelectionEnd = CursorPos;
    BufDirty = true;
    BufTextLen -= bytes_count;
}

References Buf, BufDirty, BufTextLen, CursorPos, IM_ASSERT, SelectionEnd, and SelectionStart.

◆ HasSelection()

bool ImGuiInputTextCallbackData::HasSelection ( ) const

inline

1942{ return SelectionStart != SelectionEnd; }

◆ InsertChars()

void ImGuiInputTextCallbackData::InsertChars	(	int	pos,
		const char *	text,
		const char *	text_end = `NULL`
	)

{
    const bool is_resizable = (Flags & ImGuiInputTextFlags_CallbackResize) != 0;
    const int new_text_len = new_text_end ? (int)(new_text_end - new_text) : (int)strlen(new_text);
    if (new_text_len + BufTextLen >= BufSize)
    {
        if (!is_resizable)
            return;
 
        // Contrary to STB_TEXTEDIT_INSERTCHARS() this is working in the UTF8 buffer, hence the mildly similar code (until we remove the U16 buffer altogether!)
        ImGuiContext& g = *GImGui;
        ImGuiInputTextState* edit_state = &g.InputTextState;
        IM_ASSERT(edit_state->ID != 0 && g.ActiveId == edit_state->ID);
        IM_ASSERT(Buf == edit_state->TextA.Data);
        int new_buf_size = BufTextLen + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1;
        edit_state->TextA.reserve(new_buf_size + 1);
        Buf = edit_state->TextA.Data;
        BufSize = edit_state->BufCapacityA = new_buf_size;
    }
 
    if (BufTextLen != pos)
        memmove(Buf + pos + new_text_len, Buf + pos, (size_t)(BufTextLen - pos));
    memcpy(Buf + pos, new_text, (size_t)new_text_len * sizeof(char));
    Buf[BufTextLen + new_text_len] = '\0';
 
    if (CursorPos >= pos)
        CursorPos += new_text_len;
    SelectionStart = SelectionEnd = CursorPos;
    BufDirty = true;
    BufTextLen += new_text_len;
}