void
CalcView::Paste(BMessage* message)
{
// handle color drops first
// read incoming color
const rgb_color* dropColor = NULL;
ssize_t dataSize;
if (message->FindData("RGBColor", B_RGB_COLOR_TYPE,
(const void**)&dropColor, &dataSize) == B_OK
&& dataSize == sizeof(rgb_color)) {
// calculate view relative drop point
BPoint dropPoint = ConvertFromScreen(message->DropPoint());
// calculate current keypad area
float sizeDisp = fHeight * kDisplayScaleY;
BRect keypadRect(0.0, sizeDisp, fWidth, fHeight);
// check location of color drop
if (keypadRect.Contains(dropPoint) && dropColor) {
fBaseColor = *dropColor;
_Colorize();
// redraw
Invalidate();
}
} else {
// look for text/plain MIME data
const char* text;
ssize_t numBytes;
if (message->FindData("text/plain", B_MIME_TYPE,
(const void**)&text, &numBytes) == B_OK) {
BString temp;
temp.Append(text, numBytes);
fExpressionTextView->Insert(temp.String());
}
}
}
void
CalcView::Paste(BMessage* message)
{
// handle files first
int32 count;
if (message->GetInfo("refs", NULL, &count) == B_OK) {
entry_ref ref;
ssize_t read;
BFile file;
char buffer[256];
memset(buffer, 0, sizeof(buffer));
for (int32 i = 0; i < count; i++) {
if (message->FindRef("refs", i, &ref) == B_OK) {
if (file.SetTo(&ref, B_READ_ONLY) == B_OK) {
read = file.Read(buffer, sizeof(buffer) - 1);
if (read <= 0)
continue;
BString expression(buffer);
int32 j = expression.Length();
while (j > 0 && expression[j - 1] == '\n')
j--;
expression.Truncate(j);
if (expression.Length() > 0)
fExpressionTextView->Insert(expression.String());
}
}
}
return;
}
// handle color drops
// read incoming color
const rgb_color* dropColor = NULL;
ssize_t dataSize;
if (message->FindData("RGBColor", B_RGB_COLOR_TYPE,
(const void**)&dropColor, &dataSize) == B_OK
&& dataSize == sizeof(rgb_color)) {
// calculate view relative drop point
BPoint dropPoint = ConvertFromScreen(message->DropPoint());
// calculate current keypad area
float sizeDisp = fHeight * kDisplayScaleY;
BRect keypadRect(0.0, sizeDisp, fWidth, fHeight);
// check location of color drop
if (keypadRect.Contains(dropPoint) && dropColor != NULL) {
fBaseColor = *dropColor;
fHasCustomBaseColor =
fBaseColor != ui_color(B_PANEL_BACKGROUND_COLOR);
_Colorize();
// redraw
Invalidate();
}
} else {
// look for text/plain MIME data
const char* text;
ssize_t numBytes;
if (message->FindData("text/plain", B_MIME_TYPE,
(const void**)&text, &numBytes) == B_OK) {
BString temp;
temp.Append(text, numBytes);
fExpressionTextView->Insert(temp.String());
}
}
}
void
CalcView::Draw(BRect updateRect)
{
bool drawBackground = true;
if (Parent() && (Parent()->Flags() & B_DRAW_ON_CHILDREN) != 0) {
// CalcView is embedded somewhere, most likely the Tracker Desktop
// shelf.
drawBackground = false;
}
SetHighColor(fBaseColor);
BRect expressionRect(_ExpressionRect());
if (updateRect.Intersects(expressionRect)) {
if (fOptions->keypad_mode == KEYPAD_MODE_COMPACT
&& expressionRect.Height() >= fCalcIcon->Bounds().Height()) {
// render calc icon
expressionRect.left = fExpressionTextView->Frame().right + 2;
if (drawBackground) {
SetHighColor(fBaseColor);
FillRect(updateRect & expressionRect);
}
if (fCalcIcon->ColorSpace() == B_RGBA32) {
SetDrawingMode(B_OP_ALPHA);
SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
} else {
SetDrawingMode(B_OP_OVER);
}
BPoint iconPos;
iconPos.x = expressionRect.right - (expressionRect.Width()
+ fCalcIcon->Bounds().Width()) / 2.0;
iconPos.y = expressionRect.top + (expressionRect.Height()
- fCalcIcon->Bounds().Height()) / 2.0;
DrawBitmap(fCalcIcon, iconPos);
SetDrawingMode(B_OP_COPY);
}
// render border around expression text view
expressionRect = fExpressionTextView->Frame();
expressionRect.InsetBy(-2, -2);
if (fOptions->keypad_mode != KEYPAD_MODE_COMPACT && drawBackground) {
expressionRect.InsetBy(-2, -2);
StrokeRect(expressionRect);
expressionRect.InsetBy(1, 1);
StrokeRect(expressionRect);
expressionRect.InsetBy(1, 1);
}
if (be_control_look != NULL) {
uint32 flags = 0;
if (!drawBackground)
flags |= BControlLook::B_BLEND_FRAME;
be_control_look->DrawTextControlBorder(this, expressionRect,
updateRect, fBaseColor, flags);
} else {
BeginLineArray(8);
rgb_color lightShadow = tint_color(fBaseColor, B_DARKEN_1_TINT);
rgb_color darkShadow = tint_color(fBaseColor, B_DARKEN_3_TINT);
AddLine(BPoint(expressionRect.left, expressionRect.bottom),
BPoint(expressionRect.left, expressionRect.top),
lightShadow);
AddLine(BPoint(expressionRect.left + 1, expressionRect.top),
BPoint(expressionRect.right, expressionRect.top),
lightShadow);
AddLine(BPoint(expressionRect.right, expressionRect.top + 1),
BPoint(expressionRect.right, expressionRect.bottom),
fLightColor);
AddLine(BPoint(expressionRect.left + 1, expressionRect.bottom),
BPoint(expressionRect.right - 1, expressionRect.bottom),
fLightColor);
expressionRect.InsetBy(1, 1);
AddLine(BPoint(expressionRect.left, expressionRect.bottom),
BPoint(expressionRect.left, expressionRect.top),
darkShadow);
AddLine(BPoint(expressionRect.left + 1, expressionRect.top),
BPoint(expressionRect.right, expressionRect.top),
darkShadow);
AddLine(BPoint(expressionRect.right, expressionRect.top + 1),
BPoint(expressionRect.right, expressionRect.bottom),
fBaseColor);
AddLine(BPoint(expressionRect.left + 1, expressionRect.bottom),
BPoint(expressionRect.right - 1, expressionRect.bottom),
fBaseColor);
EndLineArray();
}
}
if (fOptions->keypad_mode == KEYPAD_MODE_COMPACT)
return;
// calculate grid sizes
BRect keypadRect(_KeypadRect());
if (be_control_look != NULL) {
if (drawBackground)
StrokeRect(keypadRect);
keypadRect.InsetBy(1, 1);
}
float sizeDisp = keypadRect.top;
float sizeCol = (keypadRect.Width() + 1) / (float)fColumns;
float sizeRow = (keypadRect.Height() + 1) / (float)fRows;
if (!updateRect.Intersects(keypadRect))
return;
SetFontSize(min_c(sizeRow * kFontScaleY, sizeCol * kFontScaleX));
if (be_control_look != NULL) {
CalcKey* key = fKeypad;
for (int row = 0; row < fRows; row++) {
for (int col = 0; col < fColumns; col++) {
BRect frame;
frame.left = keypadRect.left + col * sizeCol;
frame.right = keypadRect.left + (col + 1) * sizeCol - 1;
frame.top = sizeDisp + row * sizeRow;
frame.bottom = sizeDisp + (row + 1) * sizeRow - 1;
if (drawBackground) {
SetHighColor(fBaseColor);
StrokeRect(frame);
}
frame.InsetBy(1, 1);
uint32 flags = 0;
if (!drawBackground)
flags |= BControlLook::B_BLEND_FRAME;
if (key->flags != 0)
flags |= BControlLook::B_ACTIVATED;
flags |= BControlLook::B_IGNORE_OUTLINE;
be_control_look->DrawButtonFrame(this, frame, updateRect,
fBaseColor, fBaseColor, flags);
be_control_look->DrawButtonBackground(this, frame, updateRect,
fBaseColor, flags);
be_control_look->DrawLabel(this, key->label, frame, updateRect,
fBaseColor, flags, BAlignment(B_ALIGN_HORIZONTAL_CENTER,
B_ALIGN_VERTICAL_CENTER));
key++;
}
}
return;
}
// TODO: support pressed keys
// paint keypad b/g
SetHighColor(fBaseColor);
FillRect(updateRect & keypadRect);
// render key main grid
BeginLineArray(((fColumns + fRows) << 1) + 1);
// render cols
AddLine(BPoint(0.0, sizeDisp),
BPoint(0.0, fHeight),
fLightColor);
for (int col = 1; col < fColumns; col++) {
AddLine(BPoint(col * sizeCol - 1.0, sizeDisp),
BPoint(col * sizeCol - 1.0, fHeight),
fDarkColor);
AddLine(BPoint(col * sizeCol, sizeDisp),
BPoint(col * sizeCol, fHeight),
fLightColor);
}
AddLine(BPoint(fColumns * sizeCol, sizeDisp),
BPoint(fColumns * sizeCol, fHeight),
fDarkColor);
// render rows
for (int row = 0; row < fRows; row++) {
AddLine(BPoint(0.0, sizeDisp + row * sizeRow - 1.0),
BPoint(fWidth, sizeDisp + row * sizeRow - 1.0),
fDarkColor);
AddLine(BPoint(0.0, sizeDisp + row * sizeRow),
BPoint(fWidth, sizeDisp + row * sizeRow),
fLightColor);
}
AddLine(BPoint(0.0, sizeDisp + fRows * sizeRow),
BPoint(fWidth, sizeDisp + fRows * sizeRow),
fDarkColor);
// main grid complete
EndLineArray();
// render key symbols
float halfSizeCol = sizeCol * 0.5f;
SetHighColor(fButtonTextColor);
SetLowColor(fBaseColor);
SetDrawingMode(B_OP_COPY);
float baselineOffset = ((fHeight - sizeDisp) / (float)fRows)
* (1.0 - kFontScaleY) * 0.5;
CalcKey* key = fKeypad;
for (int row = 0; row < fRows; row++) {
for (int col = 0; col < fColumns; col++) {
float halfSymbolWidth = StringWidth(key->label) * 0.5f;
DrawString(key->label,
BPoint(col * sizeCol + halfSizeCol - halfSymbolWidth,
sizeDisp + (row + 1) * sizeRow - baselineOffset));
key++;
}
}
}
void
CalcView::Draw(BRect updateRect)
{
bool drawBackground = !_IsEmbedded();
SetHighColor(fBaseColor);
BRect expressionRect(_ExpressionRect());
if (updateRect.Intersects(expressionRect)) {
if (fOptions->keypad_mode == KEYPAD_MODE_COMPACT
&& expressionRect.Height() >= fCalcIcon->Bounds().Height()) {
// render calc icon
expressionRect.left = fExpressionTextView->Frame().right + 2;
if (drawBackground) {
SetHighColor(fBaseColor);
FillRect(updateRect & expressionRect);
}
if (fCalcIcon->ColorSpace() == B_RGBA32) {
SetDrawingMode(B_OP_ALPHA);
SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
} else {
SetDrawingMode(B_OP_OVER);
}
BPoint iconPos;
iconPos.x = expressionRect.right - (expressionRect.Width()
+ fCalcIcon->Bounds().Width()) / 2.0;
iconPos.y = expressionRect.top + (expressionRect.Height()
- fCalcIcon->Bounds().Height()) / 2.0;
DrawBitmap(fCalcIcon, iconPos);
SetDrawingMode(B_OP_COPY);
}
// render border around expression text view
expressionRect = fExpressionTextView->Frame();
expressionRect.InsetBy(-2, -2);
if (fOptions->keypad_mode != KEYPAD_MODE_COMPACT && drawBackground) {
expressionRect.InsetBy(-2, -2);
StrokeRect(expressionRect);
expressionRect.InsetBy(1, 1);
StrokeRect(expressionRect);
expressionRect.InsetBy(1, 1);
}
uint32 flags = 0;
if (!drawBackground)
flags |= BControlLook::B_BLEND_FRAME;
be_control_look->DrawTextControlBorder(this, expressionRect,
updateRect, fBaseColor, flags);
}
if (fOptions->keypad_mode == KEYPAD_MODE_COMPACT)
return;
// calculate grid sizes
BRect keypadRect(_KeypadRect());
if (be_control_look != NULL) {
if (drawBackground)
StrokeRect(keypadRect);
keypadRect.InsetBy(1, 1);
}
float sizeDisp = keypadRect.top;
float sizeCol = (keypadRect.Width() + 1) / (float)fColumns;
float sizeRow = (keypadRect.Height() + 1) / (float)fRows;
if (!updateRect.Intersects(keypadRect))
return;
SetFontSize(min_c(sizeRow * kFontScaleY, sizeCol * kFontScaleX));
CalcKey* key = fKeypad;
for (int row = 0; row < fRows; row++) {
for (int col = 0; col < fColumns; col++) {
BRect frame;
frame.left = keypadRect.left + col * sizeCol;
frame.right = keypadRect.left + (col + 1) * sizeCol - 1;
frame.top = sizeDisp + row * sizeRow;
frame.bottom = sizeDisp + (row + 1) * sizeRow - 1;
if (drawBackground) {
SetHighColor(fBaseColor);
StrokeRect(frame);
}
frame.InsetBy(1, 1);
uint32 flags = 0;
if (!drawBackground)
flags |= BControlLook::B_BLEND_FRAME;
if (key->flags != 0)
flags |= BControlLook::B_ACTIVATED;
flags |= BControlLook::B_IGNORE_OUTLINE;
be_control_look->DrawButtonFrame(this, frame, updateRect,
fBaseColor, fBaseColor, flags);
be_control_look->DrawButtonBackground(this, frame, updateRect,
fBaseColor, flags);
be_control_look->DrawLabel(this, key->label, frame, updateRect,
fBaseColor, flags, BAlignment(B_ALIGN_HORIZONTAL_CENTER,
B_ALIGN_VERTICAL_CENTER), &fButtonTextColor);
key++;
}
}
}