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GUI: Added stubs for RichTextWidget
This commit is contained in:
Eugene Sandulenko
parent
5653eccba4
commit
f048d170e7
@ -43,6 +43,7 @@ MODULE_OBJS := \
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widgets/groupedlist.o \
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widgets/list.o \
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widgets/popup.o \
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widgets/richtext.o \
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widgets/scrollbar.o \
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widgets/scrollcontainer.o \
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widgets/tab.o
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@ -73,7 +73,8 @@ enum {
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kTabWidget = 'TABW',
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kGraphicsWidget = 'GFXW',
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kContainerWidget = 'CTNR',
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kScrollContainerWidget = 'SCTR'
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kScrollContainerWidget = 'SCTR',
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kRichTextWidget = 'RTXT',
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};
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enum {
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173
gui/widgets/richtext.cpp
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173
gui/widgets/richtext.cpp
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@ -0,0 +1,173 @@
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/system.h"
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#include "common/unicode-bidi.h"
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#include "gui/widgets/richtext.h"
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#include "gui/gui-manager.h"
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#include "gui/ThemeEval.h"
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namespace GUI {
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RichTextWidget::RichTextWidget(GuiObject *boss, int x, int y, int w, int h, bool scale, const Common::U32String &text, const Common::U32String &tooltip, uint32 cmd, uint32 finishCmd, ThemeEngine::FontStyle font)
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: EditableWidget(boss, x, y - 1, w, h + 2, scale, tooltip, cmd) {
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setFlags(WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE);
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_type = kRichTextWidget;
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_finishCmd = finishCmd;
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_leftPadding = _rightPadding = 0;
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setEditString(text);
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setFontStyle(font);
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}
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RichTextWidget::RichTextWidget(GuiObject *boss, int x, int y, int w, int h, const Common::U32String &text, const Common::U32String &tooltip, uint32 cmd, uint32 finishCmd, ThemeEngine::FontStyle font)
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: RichTextWidget(boss, x, y, w, h, false, text, tooltip, cmd, finishCmd, font) {
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}
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RichTextWidget::RichTextWidget(GuiObject *boss, const Common::String &name, const Common::U32String &text, const Common::U32String &tooltip, uint32 cmd, uint32 finishCmd, ThemeEngine::FontStyle font)
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: EditableWidget(boss, name, tooltip, cmd) {
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setFlags(WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE);
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_type = kRichTextWidget;
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_finishCmd = finishCmd;
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_leftPadding = _rightPadding = 0;
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_shiftPressed = _isDragging = false;
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setEditString(text);
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setFontStyle(font);
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}
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void RichTextWidget::setEditString(const Common::U32String &str) {
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EditableWidget::setEditString(str);
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_backupString = str;
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}
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void RichTextWidget::reflowLayout() {
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_leftPadding = g_gui.xmlEval()->getVar("Globals.EditTextWidget.Padding.Left", 0);
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_rightPadding = g_gui.xmlEval()->getVar("Globals.EditTextWidget.Padding.Right", 0);
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EditableWidget::reflowLayout();
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}
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void RichTextWidget::drawWidget() {
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g_gui.theme()->drawWidgetBackground(Common::Rect(_x, _y, _x + _w, _y + _h),
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ThemeEngine::kWidgetBackgroundEditText);
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// Draw the text
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adjustOffset();
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Common::Rect drawRect = getEditRect();
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drawRect.translate(_x, _y);
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setTextDrawableArea(drawRect);
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int x = -_editScrollOffset;
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int y = drawRect.top;
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int selBegin = _selCaretPos;
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int selEnd = _selOffset + _selCaretPos;
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if (selBegin > selEnd)
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SWAP(selBegin, selEnd);
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selBegin = MAX(selBegin, 0);
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selEnd = MAX(selEnd, 0);
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if (!g_gui.useRTL()) {
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Common::UnicodeBiDiText utxt(_editString);
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Common::U32String left = Common::U32String(utxt.visual.c_str(), utxt.visual.c_str() + selBegin);
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Common::U32String selected = Common::U32String(utxt.visual.c_str() + selBegin, selEnd - selBegin);
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Common::U32String right = Common::U32String(utxt.visual.c_str() + selEnd);
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Common::U32StringArray parts {left, selected, right};
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int scrollOffset = _editScrollOffset;
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for (uint i = 0; i < parts.size(); i++) {
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if (!parts[i].size())
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continue;
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Common::U32String part = parts[i];
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int partW = g_gui.getStringWidth(part, _font);
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int clipL = drawRect.left + (scrollOffset < 0 ? -scrollOffset : 0);
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int clipR = MIN(clipL + partW, (int)drawRect.right);
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if (x + partW > 0 && x < _w && clipL < drawRect.right) {
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int sO = scrollOffset < 0 ? 0 : -scrollOffset;
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_inversion = i == 1 ? ThemeEngine::kTextInversionFocus : ThemeEngine::kTextInversionNone;
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g_gui.theme()->drawText(Common::Rect(clipL, y, clipR, y + drawRect.height()), part, _state,
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_drawAlign, _inversion, sO, false, _font, ThemeEngine::kFontColorNormal,
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true, _textDrawableArea);
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}
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x += partW;
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scrollOffset -= partW;
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}
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} else {
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// The above method does not render RTL languages correctly, so fallback to default method
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// There are only two possible cases, either the whole string has been selected
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// or nothing has been selected.
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_inversion = _selOffset ? ThemeEngine::kTextInversionFocus : ThemeEngine::kTextInversionNone;
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g_gui.theme()->drawText(drawRect, _editString, _state, _drawAlign, _inversion,
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-_editScrollOffset, false, _font, ThemeEngine::kFontColorNormal, true,
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_textDrawableArea);
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}
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}
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Common::Rect RichTextWidget::getEditRect() const {
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// Calculate (right - left) difference for editRect's X-axis coordinates:
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// (_w - 1 - _rightPadding) - (2 + _leftPadding)
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int editWidth = _w - _rightPadding - _leftPadding - 3;
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int editHeight = _h - 2;
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// Ensure r will always be a valid rect
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if (editWidth < 0) {
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editWidth = 0;
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}
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if (editHeight < 0) {
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editHeight = 0;
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}
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Common::Rect r(2 + _leftPadding, 1, 2 + _leftPadding + editWidth, 1 + editHeight);
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return r;
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}
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void RichTextWidget::receivedFocusWidget() {
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g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, true);
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}
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void RichTextWidget::lostFocusWidget() {
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// If we lose focus, 'commit' the user changes and clear selection
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_backupString = _editString;
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drawCaret(true);
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clearSelection();
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g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
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}
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void RichTextWidget::startEditMode() {
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}
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void RichTextWidget::endEditMode() {
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releaseFocus();
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sendCommand(_finishCmd, 0);
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}
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void RichTextWidget::abortEditMode() {
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setEditString(_backupString);
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sendCommand(_cmd, 0);
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releaseFocus();
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}
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} // End of namespace GUI
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66
gui/widgets/richtext.h
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66
gui/widgets/richtext.h
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@ -0,0 +1,66 @@
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GUI_WIDGETS_RICHTEXT_H
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#define GUI_WIDGETS_RICHTEXT_H
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#include "gui/widgets/editable.h"
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#include "common/str.h"
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#include "gui/dialog.h"
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namespace GUI {
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/* RichTextWidget */
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class RichTextWidget : public EditableWidget {
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protected:
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Common::U32String _backupString;
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int _leftPadding;
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int _rightPadding;
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public:
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RichTextWidget(GuiObject *boss, int x, int y, int w, int h, bool scale, const Common::U32String &text, const Common::U32String &tooltip = Common::U32String(), uint32 cmd = 0, uint32 finishCmd = 0, ThemeEngine::FontStyle font = ThemeEngine::kFontStyleNormal);
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RichTextWidget(GuiObject *boss, int x, int y, int w, int h, const Common::U32String &text, const Common::U32String &tooltip = Common::U32String(), uint32 cmd = 0, uint32 finishCmd = 0, ThemeEngine::FontStyle font = ThemeEngine::kFontStyleNormal);
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RichTextWidget(GuiObject *boss, const Common::String &name, const Common::U32String &text, const Common::U32String &tooltip = Common::U32String(), uint32 cmd = 0, uint32 finishCmd = 0, ThemeEngine::FontStyle font = ThemeEngine::kFontStyleNormal);
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void setEditString(const Common::U32String &str) override;
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bool wantsFocus() override { return true; }
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void reflowLayout() override;
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protected:
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void drawWidget() override;
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void receivedFocusWidget() override;
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void lostFocusWidget() override;
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void startEditMode() override;
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void endEditMode() override;
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void abortEditMode() override;
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Common::Rect getEditRect() const override;
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uint32 _finishCmd;
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};
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} // End of namespace GUI
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#endif
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