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InputText: Added BufTextLen in ImGuiTextEditCallbackData. Requesting user to maintain it. Zero-ing structure properly before use. (#541)

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ocornut
2016-03-02 23:34:29 +01:00
parent 17d3c202ac
commit cf12bc7dea
3 changed files with 27 additions and 21 deletions
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12
imgui.h
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@ -944,7 +944,7 @@ struct ImGuiStorage
IMGUI_API void SetAllInt(int val);
};
// Shared state of InputText(), passed to callback when a ImGuiInputTextFlags_Callback* flag is used.
// Shared state of InputText(), passed to callback when a ImGuiInputTextFlags_Callback* flag is used and the corresponding callback is triggered.
struct ImGuiTextEditCallbackData
{
ImGuiInputTextFlags EventFlag; // One of ImGuiInputTextFlags_Callback* // Read-only
@ -956,15 +956,17 @@ struct ImGuiTextEditCallbackData
ImWchar EventChar; // Character input // Read-write (replace character or set to zero)
// Completion,History,Always events:
// If you modify the buffer contents make sure you update 'BufTextLen' and set 'BufDirty' to true.
ImGuiKey EventKey; // Key pressed (Up/Down/TAB) // Read-only
char* Buf; // Current text // Read-write (pointed data only)
int BufSize; // // Read-only
bool BufDirty; // Must set if you modify Buf directly // Write
char* Buf; // Current text buffer // Read-write (pointed data only, can't replace the actual pointer)
int BufTextLen; // Current text length in bytes // Read-write
int BufSize; // Maximum text length in bytes // Read-only
bool BufDirty; // Set if you modify Buf/BufTextLen!! // Write
int CursorPos; // // Read-write
int SelectionStart; // // Read-write (== to SelectionEnd when no selection)
int SelectionEnd; // // Read-write
// NB: calling those function loses selection.
// NB: Helper functions for text manipulation. Calling those function loses selection.
void DeleteChars(int pos, int bytes_count);
void InsertChars(int pos, const char* text, const char* text_end = NULL);
bool HasSelection() const { return SelectionStart != SelectionEnd; }