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InputText: added ImGuiInputTextFlags_NoHorizontalScroll flag. Added HasSelection() helper in ImGuiTextEditCallbackData as a clarification.

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This commit is contained in:
ocornut 2015-07-10 18:17:46 -06:00
parent f2bed00d80
commit d2701727b9
2 changed files with 14 additions and 5 deletions
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17
imgui.cpp
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@ -7419,11 +7419,18 @@ static bool InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
if (edit_state.CursorFollow) if (edit_state.CursorFollow)
{ {
// Horizontal scroll in chunks of quarter width // Horizontal scroll in chunks of quarter width
const float scroll_increment_x = size.x * 0.25f; if (!(flags & ImGuiInputTextFlags_NoHorizontalScroll))
if (cursor_offset.x < edit_state.ScrollX) {
edit_state.ScrollX = ImMax(0.0f, cursor_offset.x - scroll_increment_x); const float scroll_increment_x = size.x * 0.25f;
else if (cursor_offset.x - size.x >= edit_state.ScrollX) if (cursor_offset.x < edit_state.ScrollX)
edit_state.ScrollX = cursor_offset.x - size.x + scroll_increment_x; edit_state.ScrollX = ImMax(0.0f, cursor_offset.x - scroll_increment_x);
else if (cursor_offset.x - size.x >= edit_state.ScrollX)
edit_state.ScrollX = cursor_offset.x - size.x + scroll_increment_x;
}
else
{
edit_state.ScrollX = 0.0f;
}
// Vertical scroll // Vertical scroll
if (is_multiline) if (is_multiline)

2
imgui.h
View File

@ -461,6 +461,7 @@ enum ImGuiInputTextFlags_
ImGuiInputTextFlags_CallbackCharFilter = 1 << 9, // Call user function to filter character. Modify data->EventChar to replace/filter input, or return 1 to discard character. ImGuiInputTextFlags_CallbackCharFilter = 1 << 9, // Call user function to filter character. Modify data->EventChar to replace/filter input, or return 1 to discard character.
ImGuiInputTextFlags_AllowTabInput = 1 << 10, // Pressing TAB input a '\t' character into the text field ImGuiInputTextFlags_AllowTabInput = 1 << 10, // Pressing TAB input a '\t' character into the text field
ImGuiInputTextFlags_CtrlEnterForNewLine = 1 << 11, // In multi-line mode, allow exiting edition by pressing Enter. Ctrl+Enter to add new line (by default adds new lines with Enter). ImGuiInputTextFlags_CtrlEnterForNewLine = 1 << 11, // In multi-line mode, allow exiting edition by pressing Enter. Ctrl+Enter to add new line (by default adds new lines with Enter).
ImGuiInputTextFlags_NoHorizontalScroll = 1 << 12, // Disable following the cursor horizontally
// [Internal] // [Internal]
ImGuiInputTextFlags_Multiline = 1 << 20 // For internal use by InputTextMultiline() ImGuiInputTextFlags_Multiline = 1 << 20 // For internal use by InputTextMultiline()
}; };
@ -919,6 +920,7 @@ struct ImGuiTextEditCallbackData
// NB: calling those function loses selection. // NB: calling those function loses selection.
void DeleteChars(int pos, int bytes_count); void DeleteChars(int pos, int bytes_count);
void InsertChars(int pos, const char* text, const char* text_end = NULL); void InsertChars(int pos, const char* text, const char* text_end = NULL);
bool HasSelection() const { return SelectionStart != SelectionEnd; }
}; };
// ImColor() is just a helper that implicity converts to either ImU32 (packed 4x1 byte) or ImVec4 (4x1 float) // ImColor() is just a helper that implicity converts to either ImU32 (packed 4x1 byte) or ImVec4 (4x1 float)