449 lines
14 KiB
Plaintext
449 lines
14 KiB
Plaintext
|
|
/**
|
|
* Scintilla source code edit control
|
|
* InfoBar.mm - Implements special info bar with zoom info, caret position etc. to be used with
|
|
* ScintillaView.
|
|
*
|
|
* Mike Lischke <mlischke@sun.com>
|
|
*
|
|
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
|
|
* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
|
|
*/
|
|
|
|
#import "InfoBar.h"
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
@implementation VerticallyCenteredTextFieldCell
|
|
|
|
// Inspired by code from Daniel Jalkut, Red Sweater Software.
|
|
|
|
- (NSRect) drawingRectForBounds: (NSRect) theRect
|
|
{
|
|
// Get the parent's idea of where we should draw
|
|
NSRect newRect = [super drawingRectForBounds: theRect];
|
|
|
|
// When the text field is being edited or selected, we have to turn off the magic because it
|
|
// screws up the configuration of the field editor. We sneak around this by intercepting
|
|
// selectWithFrame and editWithFrame and sneaking a reduced, centered rect in at the last minute.
|
|
if (mIsEditingOrSelecting == NO)
|
|
{
|
|
// Get our ideal size for current text
|
|
NSSize textSize = [self cellSizeForBounds: theRect];
|
|
|
|
// Center that in the proposed rect
|
|
float heightDelta = newRect.size.height - textSize.height;
|
|
if (heightDelta > 0)
|
|
{
|
|
newRect.size.height -= heightDelta;
|
|
newRect.origin.y += ceil(heightDelta / 2);
|
|
}
|
|
}
|
|
|
|
return newRect;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) selectWithFrame: (NSRect) aRect inView: (NSView*) controlView editor: (NSText*) textObj
|
|
delegate:(id) anObject start: (NSInteger) selStart length: (NSInteger) selLength
|
|
{
|
|
aRect = [self drawingRectForBounds: aRect];
|
|
mIsEditingOrSelecting = YES;
|
|
[super selectWithFrame: aRect
|
|
inView: controlView
|
|
editor: textObj
|
|
delegate: anObject
|
|
start: selStart
|
|
length: selLength];
|
|
mIsEditingOrSelecting = NO;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) editWithFrame: (NSRect) aRect inView: (NSView*) controlView editor: (NSText*) textObj
|
|
delegate: (id) anObject event: (NSEvent*) theEvent
|
|
{
|
|
aRect = [self drawingRectForBounds: aRect];
|
|
mIsEditingOrSelecting = YES;
|
|
[super editWithFrame: aRect
|
|
inView: controlView
|
|
editor: textObj
|
|
delegate: anObject
|
|
event: theEvent];
|
|
mIsEditingOrSelecting = NO;
|
|
}
|
|
|
|
@end
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
@implementation InfoBar
|
|
|
|
- (id) initWithFrame: (NSRect) frame
|
|
{
|
|
self = [super initWithFrame: frame];
|
|
if (self)
|
|
{
|
|
NSBundle* bundle = [NSBundle bundleForClass: [InfoBar class]];
|
|
|
|
NSString* path = [bundle pathForResource: @"info_bar_bg" ofType: @"png" inDirectory: nil];
|
|
mBackground = [[NSImage alloc] initWithContentsOfFile: path];
|
|
if (![mBackground isValid])
|
|
NSLog(@"Background image for info bar is invalid.");
|
|
|
|
mScaleFactor = 1.0;
|
|
mCurrentCaretX = 0;
|
|
mCurrentCaretY = 0;
|
|
[self createItems];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called by a connected compontent (usually the info bar) if something changed there.
|
|
*
|
|
* @param type The type of the notification.
|
|
* @param message Carries the new status message if the type is a status message change.
|
|
* @param location Carries the new location (e.g. caret) if the type is a caret change or similar type.
|
|
* @param location Carries the new zoom value if the type is a zoom change.
|
|
*/
|
|
- (void) notify: (NotificationType) type message: (NSString*) message location: (NSPoint) location
|
|
value: (float) value
|
|
{
|
|
switch (type)
|
|
{
|
|
case IBNZoomChanged:
|
|
[self setScaleFactor: value adjustPopup: YES];
|
|
break;
|
|
case IBNCaretChanged:
|
|
[self setCaretPosition: location];
|
|
break;
|
|
case IBNStatusChanged:
|
|
[mStatusTextLabel setStringValue: message];
|
|
break;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to set a protocol object we can use to send change notifications to.
|
|
*/
|
|
- (void) setCallback: (id <InfoBarCommunicator>) callback
|
|
{
|
|
mCallback = callback;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
static NSString *DefaultScaleMenuLabels[] = {
|
|
@"20%", @"30%", @"50%", @"75%", @"100%", @"130%", @"160%", @"200%", @"250%", @"300%"
|
|
};
|
|
static float DefaultScaleMenuFactors[] = {
|
|
0.2, 0.3, 0.5, 0.75, 1.0, 1.3, 1.6, 2.0, 2.5, 3.0
|
|
};
|
|
static unsigned DefaultScaleMenuSelectedItemIndex = 4;
|
|
static float BarFontSize = 10.0;
|
|
|
|
- (void) createItems
|
|
{
|
|
// 1) The zoom popup.
|
|
unsigned numberOfDefaultItems = sizeof(DefaultScaleMenuLabels) / sizeof(NSString *);
|
|
|
|
// Create the popup button.
|
|
mZoomPopup = [[NSPopUpButton allocWithZone:[self zone]] initWithFrame: NSMakeRect(0.0, 0.0, 1.0, 1.0) pullsDown: NO];
|
|
|
|
// No border or background please.
|
|
[[mZoomPopup cell] setBordered: NO];
|
|
[[mZoomPopup cell] setArrowPosition: NSPopUpArrowAtBottom];
|
|
|
|
// Fill it.
|
|
for (unsigned count = 0; count < numberOfDefaultItems; count++)
|
|
{
|
|
[mZoomPopup addItemWithTitle: NSLocalizedStringFromTable(DefaultScaleMenuLabels[count], @"ZoomValues", nil)];
|
|
id currentItem = [mZoomPopup itemAtIndex: count];
|
|
if (DefaultScaleMenuFactors[count] != 0.0)
|
|
[currentItem setRepresentedObject: [NSNumber numberWithFloat: DefaultScaleMenuFactors[count]]];
|
|
}
|
|
[mZoomPopup selectItemAtIndex: DefaultScaleMenuSelectedItemIndex];
|
|
|
|
// Hook it up.
|
|
[mZoomPopup setTarget: self];
|
|
[mZoomPopup setAction: @selector(zoomItemAction:)];
|
|
|
|
// Set a suitable font.
|
|
[mZoomPopup setFont: [NSFont menuBarFontOfSize: BarFontSize]];
|
|
|
|
// Make sure the popup is big enough to fit the cells.
|
|
[mZoomPopup sizeToFit];
|
|
|
|
// Don't let it become first responder
|
|
[mZoomPopup setRefusesFirstResponder: YES];
|
|
|
|
// put it in the scrollview.
|
|
[self addSubview: mZoomPopup];
|
|
[mZoomPopup release];
|
|
|
|
// 2) The caret position label.
|
|
Class oldCellClass = [NSTextField cellClass];
|
|
[NSTextField setCellClass: [VerticallyCenteredTextFieldCell class]];
|
|
|
|
mCaretPositionLabel = [[NSTextField alloc] initWithFrame: NSMakeRect(0.0, 0.0, 50.0, 1.0)];
|
|
[mCaretPositionLabel setBezeled: NO];
|
|
[mCaretPositionLabel setBordered: NO];
|
|
[mCaretPositionLabel setEditable: NO];
|
|
[mCaretPositionLabel setSelectable: NO];
|
|
[mCaretPositionLabel setDrawsBackground: NO];
|
|
[mCaretPositionLabel setFont: [NSFont menuBarFontOfSize: BarFontSize]];
|
|
|
|
NSTextFieldCell* cell = [mCaretPositionLabel cell];
|
|
[cell setPlaceholderString: @"0:0"];
|
|
[cell setAlignment: NSCenterTextAlignment];
|
|
|
|
[self addSubview: mCaretPositionLabel];
|
|
[mCaretPositionLabel release];
|
|
|
|
// 3) The status text.
|
|
mStatusTextLabel = [[NSTextField alloc] initWithFrame: NSMakeRect(0.0, 0.0, 1.0, 1.0)];
|
|
[mStatusTextLabel setBezeled: NO];
|
|
[mStatusTextLabel setBordered: NO];
|
|
[mStatusTextLabel setEditable: NO];
|
|
[mStatusTextLabel setSelectable: NO];
|
|
[mStatusTextLabel setDrawsBackground: NO];
|
|
[mStatusTextLabel setFont: [NSFont menuBarFontOfSize: BarFontSize]];
|
|
|
|
cell = [mStatusTextLabel cell];
|
|
[cell setPlaceholderString: @""];
|
|
|
|
[self addSubview: mStatusTextLabel];
|
|
[mStatusTextLabel release];
|
|
|
|
// Restore original cell class so that everything else doesn't get broken
|
|
[NSTextField setCellClass: oldCellClass];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) dealloc
|
|
{
|
|
[mBackground release];
|
|
[super dealloc];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Fill the background.
|
|
*/
|
|
- (void) drawRect: (NSRect) rect
|
|
{
|
|
// Since the background is seamless, we don't need to take care for the proper offset.
|
|
// Simply tile the background over the invalid rectangle.
|
|
NSPoint target = {rect.origin.x, 0};
|
|
while (target.x < rect.origin.x + rect.size.width)
|
|
{
|
|
[mBackground drawAtPoint: target fromRect: NSZeroRect operation: NSCompositeCopy fraction: 1];
|
|
target.x += mBackground.size.width;
|
|
}
|
|
|
|
// Draw separator lines between items.
|
|
NSRect verticalLineRect;
|
|
float component = 190.0 / 255.0;
|
|
NSColor* lineColor = [NSColor colorWithDeviceRed: component green: component blue: component alpha: 1];
|
|
|
|
if (mDisplayMask & IBShowZoom)
|
|
{
|
|
verticalLineRect = [mZoomPopup frame];
|
|
verticalLineRect.origin.x += verticalLineRect.size.width + 1.0;
|
|
verticalLineRect.size.width = 1.0;
|
|
if (NSIntersectsRect(rect, verticalLineRect))
|
|
{
|
|
[lineColor set];
|
|
NSRectFill(verticalLineRect);
|
|
}
|
|
}
|
|
|
|
if (mDisplayMask & IBShowCaretPosition)
|
|
{
|
|
verticalLineRect = [mCaretPositionLabel frame];
|
|
verticalLineRect.origin.x += verticalLineRect.size.width + 1.0;
|
|
verticalLineRect.size.width = 1.0;
|
|
if (NSIntersectsRect(rect, verticalLineRect))
|
|
{
|
|
[lineColor set];
|
|
NSRectFill(verticalLineRect);
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (BOOL) isOpaque
|
|
{
|
|
return YES;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to reposition our content depending on the size of the view.
|
|
*/
|
|
- (void) setFrame: (NSRect) newFrame
|
|
{
|
|
[super setFrame: newFrame];
|
|
[self positionSubViews];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) positionSubViews
|
|
{
|
|
NSRect currentBounds = {0, 0, 0, [self frame].size.height};
|
|
if (mDisplayMask & IBShowZoom)
|
|
{
|
|
[mZoomPopup setHidden: NO];
|
|
currentBounds.size.width = [mZoomPopup frame].size.width;
|
|
[mZoomPopup setFrame: currentBounds];
|
|
currentBounds.origin.x += currentBounds.size.width + 1; // Add 1 for the separator.
|
|
}
|
|
else
|
|
[mZoomPopup setHidden: YES];
|
|
|
|
if (mDisplayMask & IBShowCaretPosition)
|
|
{
|
|
[mCaretPositionLabel setHidden: NO];
|
|
currentBounds.size.width = [mCaretPositionLabel frame].size.width;
|
|
[mCaretPositionLabel setFrame: currentBounds];
|
|
currentBounds.origin.x += currentBounds.size.width + 1;
|
|
}
|
|
else
|
|
[mCaretPositionLabel setHidden: YES];
|
|
|
|
if (mDisplayMask & IBShowStatusText)
|
|
{
|
|
// The status text always takes the rest of the available space.
|
|
[mStatusTextLabel setHidden: NO];
|
|
currentBounds.size.width = [self frame].size.width - currentBounds.origin.x;
|
|
[mStatusTextLabel setFrame: currentBounds];
|
|
}
|
|
else
|
|
[mStatusTextLabel setHidden: YES];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to switch the visible parts of the info bar.
|
|
*
|
|
* @param display Bitwise ORed IBDisplay values which determine what to show on the bar.
|
|
*/
|
|
- (void) setDisplay: (IBDisplay) display
|
|
{
|
|
if (mDisplayMask != display)
|
|
{
|
|
mDisplayMask = display;
|
|
[self positionSubViews];
|
|
[self needsDisplay];
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Handler for selection changes in the zoom menu.
|
|
*/
|
|
- (void) zoomItemAction: (id) sender
|
|
{
|
|
NSNumber* selectedFactorObject = [[sender selectedCell] representedObject];
|
|
|
|
if (selectedFactorObject == nil)
|
|
{
|
|
NSLog(@"Scale popup action: setting arbitrary zoom factors is not yet supported.");
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
[self setScaleFactor: [selectedFactorObject floatValue] adjustPopup: NO];
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) setScaleFactor: (float) newScaleFactor adjustPopup: (BOOL) flag
|
|
{
|
|
if (mScaleFactor != newScaleFactor)
|
|
{
|
|
mScaleFactor = newScaleFactor;
|
|
if (flag)
|
|
{
|
|
unsigned count = 0;
|
|
unsigned numberOfDefaultItems = sizeof(DefaultScaleMenuFactors) / sizeof(float);
|
|
|
|
// We only work with some preset zoom values. If the given value does not correspond
|
|
// to one then show no selection.
|
|
while (count < numberOfDefaultItems && (fabs(newScaleFactor - DefaultScaleMenuFactors[count]) > 0.07))
|
|
count++;
|
|
if (count == numberOfDefaultItems)
|
|
[mZoomPopup selectItemAtIndex: -1];
|
|
else
|
|
{
|
|
[mZoomPopup selectItemAtIndex: count];
|
|
|
|
// Set scale factor to found preset value if it comes close.
|
|
mScaleFactor = DefaultScaleMenuFactors[count];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Internally set. Notify owner.
|
|
[mCallback notify: IBNZoomChanged message: nil location: NSZeroPoint value: newScaleFactor];
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called from the notification method to update the caret position display.
|
|
*/
|
|
- (void) setCaretPosition: (NSPoint) position
|
|
{
|
|
// Make the position one-based.
|
|
int newX = (int) position.x + 1;
|
|
int newY = (int) position.y + 1;
|
|
|
|
if (mCurrentCaretX != newX || mCurrentCaretY != newY)
|
|
{
|
|
mCurrentCaretX = newX;
|
|
mCurrentCaretY = newY;
|
|
|
|
[mCaretPositionLabel setStringValue: [NSString stringWithFormat: @"%d:%d", newX, newY]];
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Makes the bar resize to the smallest width that can accomodate the currently enabled items.
|
|
*/
|
|
- (void) sizeToFit
|
|
{
|
|
NSRect frame = [self frame];
|
|
frame.size.width = 0;
|
|
if (mDisplayMask & IBShowZoom)
|
|
frame.size.width += [mZoomPopup frame].size.width;
|
|
|
|
if (mDisplayMask & IBShowCaretPosition)
|
|
frame.size.width += [mCaretPositionLabel frame].size.width;
|
|
|
|
if (mDisplayMask & IBShowStatusText)
|
|
frame.size.width += [mStatusTextLabel frame].size.width;
|
|
|
|
[self setFrame: frame];
|
|
}
|
|
|
|
@end
|