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InputText support for completion/history/custom callback + added fancy completion example in the console demo app

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Unfortunately quite messy because of the UTF-8 <> wchar confusion going
around. Not well tested for UTF-8 compliance with non-Ascii characters.
This commit is contained in:
ocornut
2014-11-23 23:35:26 +00:00
parent e78c47961e
commit 49defcf083
2 changed files with 298 additions and 50 deletions
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28
imgui.h
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@ -39,6 +39,7 @@ typedef int ImGuiColorEditMode; // enum ImGuiColorEditMode_
typedef int ImGuiWindowFlags; // enum ImGuiWindowFlags_
typedef int ImGuiInputTextFlags; // enum ImGuiInputTextFlags_
typedef ImBitmapFont* ImFont;
struct ImGuiTextEditCallbackData;
struct ImVec2
{
@ -238,7 +239,7 @@ namespace ImGui
IMGUI_API bool CheckboxFlags(const char* label, unsigned int* flags, unsigned int flags_value);
IMGUI_API bool RadioButton(const char* label, bool active);
IMGUI_API bool RadioButton(const char* label, int* v, int v_button);
IMGUI_API bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, void (*callback)(ImGuiTextEditCallbackData*) = NULL, void* user_data = NULL);
IMGUI_API bool InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
IMGUI_API bool InputFloat2(const char* label, float v[2], int decimal_precision = -1);
IMGUI_API bool InputFloat3(const char* label, float v[3], int decimal_precision = -1);
@ -323,8 +324,11 @@ enum ImGuiInputTextFlags_
ImGuiInputTextFlags_CharsDecimal = 1 << 0, // Allow 0123456789.+-*/
ImGuiInputTextFlags_CharsHexadecimal = 1 << 1, // Allow 0123456789ABCDEFabcdef
ImGuiInputTextFlags_AutoSelectAll = 1 << 2, // Select entire text when first taking focus
ImGuiInputTextFlags_EnterReturnsTrue = 1 << 3 // Return 'true' when Enter is pressed (as opposed to when the value was modified)
//ImGuiInputTextFlags_AlignCenter = 1 << 3,
ImGuiInputTextFlags_EnterReturnsTrue = 1 << 3, // Return 'true' when Enter is pressed (as opposed to when the value was modified)
ImGuiInputTextFlags_CallbackCompletion = 1 << 4, // Call user function on pressing TAB (for completion handling)
ImGuiInputTextFlags_CallbackHistory = 1 << 5, // Call user function on pressing Up/Down arrows (for history handling)
ImGuiInputTextFlags_CallbackAlways = 1 << 6 // Call user function every frame
//ImGuiInputTextFlags_AlignCenter = 1 << 6,
};
// User fill ImGuiIO.KeyMap[] array with indices into the ImGuiIO.KeysDown[512] array
@ -601,6 +605,24 @@ struct ImGuiStorage
IMGUI_API void Insert(ImU32 key, int val);
};
// Shared state of InputText(), passed to callback when a ImGuiInputTextFlags_Callback* flag is used.
struct ImGuiTextEditCallbackData
{
ImGuiKey EventKey; // Key pressed (Up/Down/TAB) // Read-only
char* Buf; // Current text // Read-write (pointed data only)
size_t BufSize; // // Read-only
bool BufDirty; // Set if you modify Buf directly // Write
ImGuiInputTextFlags Flags; // What user passed to InputText() // Read-only
int CursorPos; // // Read-write
int SelectionStart; // // Read-write (== to SelectionEnd when no selection)
int SelectionEnd; // // Read-write
void* UserData; // What user passed to InputText()
// NB: calling those function loses selection.
void DeleteChars(size_t pos, size_t bytes_count);
void InsertChars(size_t pos, const char* text, const char* text_end = NULL);
};
//-----------------------------------------------------------------------------
// Draw List
// Hold a series of drawing commands. The user provide a renderer for ImDrawList