forked from mia/Aegisub
90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
|
|
//
|
|
// Permission to use, copy, modify, and distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
#include "text_selection_controller.h"
|
|
|
|
#include <wx/stc/stc.h>
|
|
|
|
void TextSelectionController::SetControl(wxStyledTextCtrl *ctrl) {
|
|
this->ctrl = ctrl;
|
|
if (ctrl)
|
|
ctrl->Bind(wxEVT_STC_UPDATEUI, &TextSelectionController::UpdateUI, this);
|
|
}
|
|
|
|
TextSelectionController::~TextSelectionController() {
|
|
if (ctrl) ctrl->Unbind(wxEVT_STC_UPDATEUI, &TextSelectionController::UpdateUI, this);
|
|
}
|
|
|
|
#define GET(var, new_value) do { \
|
|
int tmp = new_value; \
|
|
if (tmp != var) { \
|
|
var = tmp; \
|
|
changed = true; \
|
|
} \
|
|
} while(false)
|
|
|
|
#define SET(var, new_value, Setter) do { \
|
|
if (var != new_value) { \
|
|
var = new_value; \
|
|
if (ctrl) ctrl->Setter(var); \
|
|
} \
|
|
} while (false)
|
|
|
|
void TextSelectionController::UpdateUI(wxStyledTextEvent &evt) {
|
|
if (changing) return;
|
|
|
|
bool changed = false;
|
|
GET(insertion_point, ctrl->GetInsertionPoint());
|
|
if (evt.GetUpdated() & wxSTC_UPDATE_SELECTION) {
|
|
GET(selection_start, ctrl->GetSelectionStart());
|
|
GET(selection_end, ctrl->GetSelectionEnd());
|
|
}
|
|
else {
|
|
GET(selection_start, insertion_point);
|
|
GET(selection_end, insertion_point);
|
|
}
|
|
if (changed) AnnounceSelectionChanged();
|
|
}
|
|
|
|
void TextSelectionController::SetInsertionPoint(int position) {
|
|
changing = true;
|
|
SET(insertion_point, position, SetInsertionPoint);
|
|
changing = false;
|
|
AnnounceSelectionChanged();
|
|
}
|
|
|
|
void TextSelectionController::SetSelection(int start, int end) {
|
|
changing = true;
|
|
SET(selection_start, start, SetSelectionStart);
|
|
SET(selection_end, end, SetSelectionEnd);
|
|
changing = false;
|
|
AnnounceSelectionChanged();
|
|
}
|
|
|
|
|
|
void TextSelectionController::CommitStagedChanges() {
|
|
if (has_staged_selection) {
|
|
if (staged_selection_start <= staged_selection_end) {
|
|
SetSelection(staged_selection_start, staged_selection_end);
|
|
} else {
|
|
// commit some crimes to get this to work in all cases
|
|
SetInsertionPoint(staged_selection_end == 0 ? staged_selection_start : 0);
|
|
SetSelection(staged_selection_start, staged_selection_start);
|
|
SetInsertionPoint(staged_selection_end);
|
|
}
|
|
has_staged_selection = false;
|
|
}
|
|
} |