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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/system.h"
#include "sci/sci.h"
#include "sci/console.h"
#include "sci/event.h"
#include "sci/engine/kernel.h"
#include "sci/engine/seg_manager.h"
#include "sci/engine/state.h"
#include "sci/graphics/cache.h"
#include "sci/graphics/compare.h"
#include "sci/graphics/controls32.h"
#include "sci/graphics/font.h"
#include "sci/graphics/screen.h"
#include "sci/graphics/text32.h"
namespace Sci {
GfxControls32::GfxControls32(SegManager *segMan, GfxCache *cache, GfxText32 *text) :
_segMan(segMan),
_gfxCache(cache),
_gfxText32(text),
_overwriteMode(false),
_nextCursorFlashTick(0) {}
GfxControls32::~GfxControls32() {}
reg_t GfxControls32::kernelEditText(const reg_t controlObject) {
SegManager *segMan = _segMan;
TextEditor editor;
reg_t textObject = readSelector(_segMan, controlObject, SELECTOR(text));
editor.text = _segMan->getString(textObject);
editor.foreColor = readSelectorValue(_segMan, controlObject, SELECTOR(fore));
editor.backColor = readSelectorValue(_segMan, controlObject, SELECTOR(back));
editor.skipColor = readSelectorValue(_segMan, controlObject, SELECTOR(skip));
editor.fontId = readSelectorValue(_segMan, controlObject, SELECTOR(font));
editor.maxLength = readSelectorValue(_segMan, controlObject, SELECTOR(width));
editor.bitmap = readSelector(_segMan, controlObject, SELECTOR(bitmap));
editor.cursorCharPosition = 0;
editor.cursorIsDrawn = false;
editor.borderColor = readSelectorValue(_segMan, controlObject, SELECTOR(borderColor));
reg_t titleObject = readSelector(_segMan, controlObject, SELECTOR(title));
int16 titleHeight = 0;
GuiResourceId titleFontId = readSelectorValue(_segMan, controlObject, SELECTOR(titleFont));
if (!titleObject.isNull()) {
GfxFont *titleFont = _gfxCache->getFont(titleFontId);
titleHeight += _gfxText32->scaleUpHeight(titleFont->getHeight()) + 1;
if (editor.borderColor != -1) {
titleHeight += 2;
}
}
int16 width = 0;
int16 height = titleHeight;
GfxFont *editorFont = _gfxCache->getFont(editor.fontId);
height += _gfxText32->scaleUpHeight(editorFont->getHeight()) + 1;
_gfxText32->setFont(editor.fontId);
int16 emSize = _gfxText32->getCharWidth('M', true);
width += editor.maxLength * emSize + 1;
if (editor.borderColor != -1) {
width += 4;
height += 2;
}
Common::Rect editorPlaneRect(width, height);
editorPlaneRect.translate(readSelectorValue(_segMan, controlObject, SELECTOR(x)), readSelectorValue(_segMan, controlObject, SELECTOR(y)));
reg_t planeObj = readSelector(_segMan, controlObject, SELECTOR(plane));
Plane *sourcePlane = g_sci->_gfxFrameout->getVisiblePlanes().findByObject(planeObj);
if (sourcePlane == nullptr) {
error("Could not find plane %04x:%04x", PRINT_REG(planeObj));
}
editorPlaneRect.translate(sourcePlane->_gameRect.left, sourcePlane->_gameRect.top);
editor.textRect = Common::Rect(2, titleHeight + 2, width - 1, height - 1);
editor.width = width;
if (editor.bitmap.isNull()) {
reg_t out;
TextAlign alignment = (TextAlign)readSelectorValue(_segMan, controlObject, SELECTOR(mode));
if (titleObject.isNull()) {
bool dimmed = readSelectorValue(_segMan, controlObject, SELECTOR(dimmed));
editor.bitmap = _gfxText32->createFontBitmap(width, height, editor.textRect, editor.text, editor.foreColor, editor.backColor, editor.skipColor, editor.fontId, alignment, editor.borderColor, dimmed, true, &out);
} else {
Common::String title = _segMan->getString(titleObject);
int16 titleBackColor = readSelectorValue(_segMan, controlObject, SELECTOR(titleBack));
int16 titleForeColor = readSelectorValue(_segMan, controlObject, SELECTOR(titleFore));
editor.bitmap = _gfxText32->createTitledBitmap(width, height, editor.textRect, editor.text, editor.foreColor, editor.backColor, editor.skipColor, editor.fontId, alignment, editor.borderColor, title, titleForeColor, titleBackColor, titleFontId, true, &out);
}
}
drawCursor(editor);
Plane *plane = new Plane(editorPlaneRect, kPlanePicTransparent);
plane->changePic();
g_sci->_gfxFrameout->addPlane(*plane);
CelInfo32 celInfo;
celInfo.type = kCelTypeMem;
celInfo.bitmap = editor.bitmap;
ScreenItem *screenItem = new ScreenItem(plane->_object, celInfo, Common::Point(), ScaleInfo());
plane->_screenItemList.add(screenItem);
// frameOut must be called after the screen item is
// created, and before it is updated at the end of the
// event loop, otherwise it has both created and updated
// flags set which crashes the engine (it runs updates
// before creations)
g_sci->_gfxFrameout->frameOut(true);
EventManager *eventManager = g_sci->getEventManager();
bool clearTextOnInput = true;
bool textChanged = false;
for (;;) {
// We peek here because the last event needs to be allowed to
// dispatch a second time to the normal event handling system.
// In the actual engine, the event is always consumed and then
// the last event just gets posted back to the event manager for
// reprocessing, but instead, we only remove the event from the
// queue *after* we have determined it is not a defocusing event
const SciEvent event = eventManager->getSciEvent(SCI_EVENT_ANY | SCI_EVENT_PEEK);
bool focused = true;
// Original engine did not have a QUIT event but we have to handle it
if (event.type == SCI_EVENT_QUIT) {
return NULL_REG;
} else if (event.type == SCI_EVENT_MOUSE_PRESS && !editorPlaneRect.contains(event.mousePosSci)) {
focused = false;
} else if (event.type == SCI_EVENT_KEYBOARD) {
switch (event.character) {
case SCI_KEY_ESC:
case SCI_KEY_UP:
case SCI_KEY_DOWN:
case SCI_KEY_TAB:
case SCI_KEY_SHIFT_TAB:
case SCI_KEY_ENTER:
focused = false;
break;
}
}
if (!focused) {
break;
}
// Consume the event now that we know it is not one of the
// defocusing events above
eventManager->getSciEvent(SCI_EVENT_ANY);
// NOTE: In the original engine, the font and bitmap were
// reset here on each iteration through the loop, but it
// doesn't seem like this should be necessary since
// control is not yielded back to the VM until input is
// received, which means there is nothing that could modify
// the GfxText32's state with a different font in the
// meantime
bool shouldDeleteChar = false;
bool shouldRedrawText = false;
uint16 lastCursorPosition = editor.cursorCharPosition;
if (event.type == SCI_EVENT_KEYBOARD) {
switch (event.character) {
case SCI_KEY_LEFT:
clearTextOnInput = false;
if (editor.cursorCharPosition > 0) {
--editor.cursorCharPosition;
}
break;
case SCI_KEY_RIGHT:
clearTextOnInput = false;
if (editor.cursorCharPosition < editor.text.size()) {
++editor.cursorCharPosition;
}
break;
case SCI_KEY_HOME:
clearTextOnInput = false;
editor.cursorCharPosition = 0;
break;
case SCI_KEY_END:
clearTextOnInput = false;
editor.cursorCharPosition = editor.text.size();
break;
case SCI_KEY_INSERT:
clearTextOnInput = false;
// Redrawing also changes the cursor rect to
// reflect the new insertion mode
shouldRedrawText = true;
_overwriteMode = !_overwriteMode;
break;
case SCI_KEY_DELETE:
clearTextOnInput = false;
if (editor.cursorCharPosition < editor.text.size()) {
shouldDeleteChar = true;
}
break;
case SCI_KEY_BACKSPACE:
clearTextOnInput = false;
shouldDeleteChar = true;
if (editor.cursorCharPosition > 0) {
--editor.cursorCharPosition;
}
break;
case SCI_KEY_ETX:
editor.text.clear();
editor.cursorCharPosition = 0;
shouldRedrawText = true;
break;
default: {
if (event.character >= 20 && event.character < 257) {
if (clearTextOnInput) {
clearTextOnInput = false;
editor.text.clear();
}
if (
(_overwriteMode && editor.cursorCharPosition < editor.maxLength) ||
(editor.text.size() < editor.maxLength && _gfxText32->getCharWidth(event.character, true) + _gfxText32->getStringWidth(editor.text) < editor.textRect.width())
) {
if (_overwriteMode && editor.cursorCharPosition < editor.text.size()) {
editor.text.setChar(event.character, editor.cursorCharPosition);
} else {
editor.text.insertChar(event.character, editor.cursorCharPosition);
}
++editor.cursorCharPosition;
shouldRedrawText = true;
}
}
}
}
}
if (shouldDeleteChar) {
shouldRedrawText = true;
if (editor.cursorCharPosition < editor.text.size()) {
editor.text.deleteChar(editor.cursorCharPosition);
}
}
if (shouldRedrawText) {
eraseCursor(editor);
_gfxText32->erase(editor.textRect, true);
_gfxText32->drawTextBox(editor.text);
drawCursor(editor);
textChanged = true;
screenItem->_updated = g_sci->_gfxFrameout->getScreenCount();
} else if (editor.cursorCharPosition != lastCursorPosition) {
eraseCursor(editor);
drawCursor(editor);
screenItem->_updated = g_sci->_gfxFrameout->getScreenCount();
} else {
flashCursor(editor);
screenItem->_updated = g_sci->_gfxFrameout->getScreenCount();
}
g_sci->_gfxFrameout->frameOut(true);
g_sci->getSciDebugger()->onFrame();
g_sci->getEngineState()->speedThrottler(16);
g_sci->getEngineState()->_throttleTrigger = true;
}
g_sci->_gfxFrameout->deletePlane(*plane);
if (readSelectorValue(segMan, controlObject, SELECTOR(frameOut))) {
g_sci->_gfxFrameout->frameOut(true);
}
_segMan->freeHunkEntry(editor.bitmap);
if (textChanged) {
editor.text.trim();
SciString *string = _segMan->lookupString(textObject);
string->fromString(editor.text);
}
return make_reg(0, textChanged);
}
void GfxControls32::drawCursor(TextEditor &editor) {
if (!editor.cursorIsDrawn) {
editor.cursorRect.left = editor.textRect.left + _gfxText32->getTextWidth(editor.text, 0, editor.cursorCharPosition);
const int16 scaledFontHeight = _gfxText32->scaleUpHeight(_gfxText32->_font->getHeight());
// NOTE: The original code branched on borderColor here but
// the two branches appeared to be identical, differing only
// because the compiler decided to be differently clever
// when optimising multiplication in each branch
if (_overwriteMode) {
editor.cursorRect.top = editor.textRect.top;
editor.cursorRect.setHeight(scaledFontHeight);
} else {
editor.cursorRect.top = editor.textRect.top + scaledFontHeight - 1;
editor.cursorRect.setHeight(1);
}
const char currentChar = editor.cursorCharPosition < editor.text.size() ? editor.text[editor.cursorCharPosition] : ' ';
editor.cursorRect.setWidth(_gfxText32->getCharWidth(currentChar, true));
_gfxText32->invertRect(editor.bitmap, editor.width, editor.cursorRect, editor.foreColor, editor.backColor, true);
editor.cursorIsDrawn = true;
}
_nextCursorFlashTick = g_sci->getTickCount() + 30;
}
void GfxControls32::eraseCursor(TextEditor &editor) {
if (editor.cursorIsDrawn) {
_gfxText32->invertRect(editor.bitmap, editor.width, editor.cursorRect, editor.foreColor, editor.backColor, true);
editor.cursorIsDrawn = false;
}
_nextCursorFlashTick = g_sci->getTickCount() + 30;
}
void GfxControls32::flashCursor(TextEditor &editor) {
if (g_sci->getTickCount() > _nextCursorFlashTick) {
_gfxText32->invertRect(editor.bitmap, editor.width, editor.cursorRect, editor.foreColor, editor.backColor, true);
editor.cursorIsDrawn = !editor.cursorIsDrawn;
_nextCursorFlashTick = g_sci->getTickCount() + 30;
}
}
} // End of namespace Sci
|