void Editor::updateCaret()
{
placeCaret();
POINT pt = toPoint(caret);
caretX = pt.x;
SCROLLINFO si;
memset(&si, 0, sizeof si);
si.cbSize = sizeof si;
si.fMask = SIF_RANGE | SIF_PAGE;
int xto = scrollPos.x;
GetScrollInfo(hWnd, SB_HORZ, &si);
if (pt.x < scrollPos.x)
xto = (pt.x > 2 ? pt.x - 2 : 0);
else if (pt.x >= scrollPos.x + si.nPage)
xto = (pt.x - si.nPage + 10 < si.nMax ? pt.x - si.nPage + 10 : si.nMax);
int yto = scrollPos.y;
GetScrollInfo(hWnd, SB_VERT, &si);
if (pt.y < scrollPos.y)
yto = (pt.y > 2 ? pt.y - 2 : 0);
else if (pt.y >= scrollPos.y + si.nPage)
yto = (pt.y - si.nPage + 10 < si.nMax ? pt.y - si.nPage + 10 : si.nMax);
doScroll(xto, yto);
updateFocus();
invalidate();
}
void Editor::toggleBreakpoint(int y)
{
if (lines[y].breakpoint >= 0)
lines[y].breakpoint = 1 - lines[y].breakpoint;
else if (!running)
lines[y].breakpoint = 1;
else
{
while (y < lines.length() && lines[y].breakpoint < 0)
y++;
if (y >= lines.length())
return;
lines[y].breakpoint = 1;
POINT ncp;
ncp.x = 0;
ncp.y = y;
selStart = caret = fromPoint(ncp);
placeCaret();
}
getParent()->notify(EN_SETBREAKPOINT, y, (uint32) this);
invalidate();
}
/// Rendering
float Font::render(const std::string &text, glm::vec2 position, HexColor color, int caretPosition){
empty[g_UILayer] = false;
LastTextHeight = 0;
LastTextLength = 0;
lastTextSize = text.size();
glm::vec2 currentPosition = position;
u8 letter;
for(u32 i = 0; i < text.size(); i++){
letter = text[i];
auto &letterInfo = fontInfo->m_letters[letter];
if(letter == '\n'){ // new line
LastTextLength = std::max(LastTextLength, currentPosition[0] - position.x);
LastTextHeight += height;
currentPosition = position - glm::vec2(0, LastTextHeight);
continue;
}
if (i > 0){ // kerning
currentPosition[0] += letterInfo.kerning[text[i - 1]];
}
renderedFonts[g_UILayer].positions.push_back(currentPosition + letterInfo.offset);
renderedFonts[g_UILayer].sizes.push_back(letterInfo.size);
renderedFonts[g_UILayer].uvs.push_back(letterInfo.uv);
renderedFonts[g_UILayer].colors.push_back(color);
currentPosition.x += letterInfo.advance;
}
if (lastTextSize > 0) // compute len
LastTextLength = currentPosition[0] - position.x;
placeCaret(text, position, color, caretPosition);
renderedFonts[g_UILayer].m_size = renderedFonts[g_UILayer].uvs.size();
return LastTextLength + 1.f;
}
uint32 Editor::onMessage(uint32 message, uint32 wParam, uint32 lParam)
{
switch (message)
{
case WM_DESTROY:
delete target;
target = NULL;
break;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT)
{
POINT pt;
GetCursorPos(&pt);
ScreenToClient(hWnd, &pt);
if (pt.x < LeftMargin())
SetCursor(cursors[cArrow]);
else if (selStart != caret)
{
pt.x = (pt.x - LeftMargin()) / chSize.cx + scrollPos.x;
pt.y = pt.y / chSize.cy + scrollPos.y;
if (pt.y < 0 || pt.y >= lines.length() || pt.x < 0 || pt.x >= lines[pt.y].text.length())
SetCursor(cursors[cBeam]);
else
{
int offset = fromPoint(pt);
int sela = (selStart < caret ? selStart : caret);
int selb = (selStart < caret ? caret : selStart);
if (offset >= sela && offset < selb)
SetCursor(cursors[cArrow]);
else
SetCursor(cursors[cBeam]);
}
}
else
SetCursor(cursors[cBeam]);
}
else
SetCursor(cursors[cArrow]);
return TRUE;
case WM_ERASEBKGND:
return TRUE;
case WM_PAINT:
paint();
return 0;
case WM_SIZE:
if (hBitmap)
{
int wd = LOWORD(lParam);
int ht = HIWORD(lParam);
if (wd < 10) wd = 10;
if (ht < 10) ht = 10;
hBitmap = CreateCompatibleBitmap(hDC, wd, ht);
SelectObject(hDC, hBitmap);
}
updateExtent();
return 0;
case WM_SETFOCUS:
placeCaret();
invalidate();
getParent()->notify(EN_FOCUSED, (uint32) this, 0);
return 0;
case WM_KILLFOCUS:
DestroyCaret();
updateCaret();
invalidate();
return 0;
case WM_LBUTTONDBLCLK:
{
POINT pt = paramToPoint(lParam);
fixPoint(pt);
int ptStart = wordEnd(lines[pt.y].text.c_str(), pt.x, -1);
int ptEnd = wordEnd(lines[pt.y].text.c_str(), pt.x, 1);
int offset = fromPoint(pt);
selStart = offset - (pt.x - ptStart);
caret = offset + (ptEnd - pt.x);
updateCaret();
}
return 0;
case WM_LBUTTONDOWN:
if (int(GET_X_LPARAM(lParam)) < int(settings->bpOffset - scrollPos.x * chSize.cx))
{
POINT pt = paramToPoint(lParam);
toggleBreakpoint(pt.y);
}
else
{
POINT pt = paramToPoint(lParam);
int offset = fromPoint(pt);
int sela = (selStart < caret ? selStart : caret);
int selb = (selStart > caret ? selStart : caret);
if (offset >= sela && offset < selb)
{
dragop = 1;
uint32 fx = DoDragDropEx(CF_UNICODETEXT, CreateGlobalText(getSelection()),
DROPEFFECT_MOVE | DROPEFFECT_COPY, hWnd);
if (fx == DROPEFFECT_NONE)
dragop = 0;
//else if (fx != DROPEFFECT_COPY && dragop != 2)
// replace(sela, selb, "");
}
else
SetCapture(hWnd);
if (dragop == 0)
{
caret = offset;
if (!(wParam & MK_SHIFT))
selStart = caret;
}
dragop = 0;
if (GetFocus() != hWnd)
SetFocus(hWnd);
updateCaret();
}
return 0;
case WM_RBUTTONDOWN:
if (int(GET_X_LPARAM(lParam)) >= int(settings->bpOffset - scrollPos.x * chSize.cx))
{
POINT pt = paramToPoint(lParam);
int offset = fromPoint(pt);
int sela = (selStart < caret ? selStart : caret);
int selb = (selStart > caret ? selStart : caret);
if (offset < sela || offset >= selb)
caret = selStart = offset;
if (GetFocus() != hWnd)
SetFocus(hWnd);
updateCaret();
}
return 0;
case WM_MOUSEMOVE:
if (GetCapture() == hWnd && (wParam & MK_LBUTTON))
{
POINT pt = paramToPoint(lParam);
caret = fromPoint(pt);
updateCaret();
}
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
return 0;
case WM_CHAR:
if (iswprint(wParam) && (GetAsyncKeyState(VK_CONTROL) & 0x8000) == 0)
{
if (caret == selStart && !insertMode && caret < getTextLength())
replace(caret, caret + 1, WideString((wchar_t) wParam));
else
replace(selStart, caret, WideString((wchar_t) wParam));
}
return 0;
case WM_VSCROLL:
{
SCROLLINFO si;
memset(&si, 0, sizeof si);
si.cbSize = sizeof si;
si.fMask = SIF_ALL;
GetScrollInfo(hWnd, SB_VERT, &si);
switch (LOWORD(wParam))
{
case SB_TOP:
si.nPos = si.nMin;
break;
case SB_BOTTOM:
si.nPos = si.nMax;
break;
case SB_LINEUP:
si.nPos--;
break;
case SB_LINEDOWN:
si.nPos++;
break;
case SB_PAGEUP:
si.nPos -= si.nPage;
break;
case SB_PAGEDOWN:
si.nPos += si.nPage;
break;
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
}
doScroll(scrollPos.x, si.nPos);
}
return 0;
case WM_HSCROLL:
{
SCROLLINFO si;
memset(&si, 0, sizeof si);
si.cbSize = sizeof si;
si.fMask = SIF_ALL;
GetScrollInfo(hWnd, SB_HORZ, &si);
switch (LOWORD(wParam))
{
case SB_LEFT:
si.nPos = si.nMin;
break;
case SB_RIGHT:
si.nPos = si.nMax;
break;
case SB_LINELEFT:
si.nPos--;
break;
case SB_LINERIGHT:
si.nPos++;
break;
case SB_PAGELEFT:
si.nPos -= si.nPage;
break;
case SB_PAGERIGHT:
si.nPos += si.nPage;
break;
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
}
doScroll(si.nPos, scrollPos.y);
}
return 0;
case WM_MOUSEWHEEL:
{
int step;
SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &step, 0);
if (step < 0)
step = 3;
scrollAccum.y += GET_WHEEL_DELTA_WPARAM(wParam) * step;
doScroll(scrollPos.x, scrollPos.y - scrollAccum.y / WHEEL_DELTA);
scrollAccum.y %= WHEEL_DELTA;
}
return 0;
case WM_MOUSEHWHEEL:
{
scrollAccum.x += GET_WHEEL_DELTA_WPARAM(wParam) * 4;
doScroll(scrollPos.x + scrollAccum.x / WHEEL_DELTA, scrollPos.y);
scrollAccum.x %= WHEEL_DELTA;
}
return 0;
case WM_DRAGOVER:
{
if (running || settings->mode)
return TRUE;
POINT pt = paramToPoint(lParam);
dropPos = fromPoint(pt);
RECT rc;
GetClientRect(hWnd, &rc);
int xto = scrollPos.x;
if (pt.x < 10)
xto--;
else if (pt.x > rc.right - 10)
xto++;
int yto = scrollPos.y;
if (pt.y < 10)
yto--;
else if (pt.y > rc.bottom - 10)
yto++;
doScroll(xto, yto);
int sela = (selStart < caret ? selStart : caret);
int selb = (selStart > caret ? selStart : caret);
if (dropPos > sela && dropPos < selb)
return TRUE;
else
{
fixPoint(pt);
CreateCaret(hWnd, NULL, 2, chSize.cy);
SetCaretPos((pt.x - scrollPos.x) * chSize.cx + LeftMargin(), (pt.y - scrollPos.y) * chSize.cy);
ShowCaret(hWnd);
}
}
return 0;
case WM_DRAGLEAVE:
dropPos = 0;
updateCaret();
return 0;
case WM_DRAGDROP:
if (running || settings->mode)
return DROPEFFECT_NONE;
if (dragop)
{
dragop = 2;
int sela = (selStart < caret ? selStart : caret);
int selb = (selStart > caret ? selStart : caret);
if (dropPos < sela || dropPos > selb)
{
WideString text = getSelection();
if (lParam != DROPEFFECT_COPY)
{
replace(sela, selb, L"");
if (dropPos > selb)
dropPos -= (selb - sela);
caret = replace(dropPos, dropPos, text, NULL, true);
}
else
caret = replace(dropPos, dropPos, text);
selStart = dropPos;
}
}
else
{
caret = replace(dropPos, dropPos, GetGlobalTextWide((HGLOBAL) wParam));
selStart = dropPos;
return DROPEFFECT_COPY;
}
return lParam;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
onKey(wParam);
return 0;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case ID_EDIT_UNDO:
{
bool glue = true;
bool first = true;
while (glue && historyPos > 0)
{
HistoryItem& h = history[--historyPos];
replace(h.begin, h.end, h.text, &h);
glue = h.glue;
h.glue = !first;
first = false;
}
}
break;
case ID_EDIT_REDO:
{
bool glue = true;
bool first = true;
while (glue && historyPos < history.length())
{
HistoryItem& h = history[historyPos++];
replace(h.begin, h.end, h.text, &h);
glue = h.glue;
h.glue = !first;
first = false;
}
}
break;
case ID_EDIT_SELECTALL:
selStart = 0;
caret = getTextLength();
updateCaret();
break;
case ID_EDIT_COPY:
if (caret != selStart)
SetClipboard(CF_UNICODETEXT, CreateGlobalText(getSelection()));
else
{
POINT pt = toPoint(caret);
pt.x = 0;
int start = fromPoint(pt);
if (pt.y < lines.length() - 1)
pt.y++;
else
pt.x = lines[pt.y].text.length();
int end = fromPoint(pt);
if (pCopyLine)
pCopyLine->Release();
pCopyLine = SetClipboard(CF_UNICODETEXT, CreateGlobalText(substring(start, end)));
if (pCopyLine)
pCopyLine->AddRef();
}
break;
case ID_EDIT_CUT:
if (caret != selStart)
{
SetClipboard(CF_UNICODETEXT, CreateGlobalText(getSelection()));
replace(selStart, caret, L"");
}
else
{
POINT pt = toPoint(caret);
POINT save = pt;
pt.x = 0;
int start = fromPoint(pt);
if (pt.y < lines.length() - 1)
pt.y++;
else
pt.x = lines[pt.y].text.length();
int end = fromPoint(pt);
if (pCopyLine)
pCopyLine->Release();
pCopyLine = SetClipboard(CF_UNICODETEXT, CreateGlobalText(substring(start, end)));
if (pCopyLine)
pCopyLine->AddRef();
replace(start, end, L"");
caret = selStart = fromPoint(save);
updateCaret();
}
break;
case ID_EDIT_PASTE:
{
ClipboardReader reader(CF_UNICODETEXT);
if (reader.getData())
{
if (OleIsCurrentClipboard(pCopyLine) == S_OK)
{
POINT pt = toPoint(caret);
pt.x = 0;
caret = selStart = fromPoint(pt);
}
selStart = caret = replace(selStart, caret, GetGlobalTextWide(reader.getData()));
updateCaret();
}
}
break;
case ID_DEBUG_BREAKPOINT:
{
POINT pt = toPoint(caret);
toggleBreakpoint(pt.y);
}
break;
default:
return M_UNHANDLED;
}
return 0;
}
return M_UNHANDLED;
}
