diff options
Diffstat (limited to 'cocoa/ScintillaView.mm')
| -rw-r--r-- | cocoa/ScintillaView.mm | 254 |
1 files changed, 234 insertions, 20 deletions
diff --git a/cocoa/ScintillaView.mm b/cocoa/ScintillaView.mm index d6b353256..a7b7a502e 100644 --- a/cocoa/ScintillaView.mm +++ b/cocoa/ScintillaView.mm @@ -36,8 +36,8 @@ static NSCursor* waitCursor; mCurrentTrackingRect = 0; mMarkedTextRange = NSMakeRange(NSNotFound, 0); - [self registerForDraggedTypes:[NSArray arrayWithObjects: - NSStringPboardType, NSHTMLPboardType, NSFilenamesPboardType, nil]]; + [self registerForDraggedTypes: [NSArray arrayWithObjects: + NSStringPboardType, ScintillaRecPboardType, NSFilenamesPboardType, nil]]; } return self; @@ -129,8 +129,9 @@ static NSCursor* waitCursor; //-------------------------------------------------------------------------------------------------- /** - * Windows uses a client coordinate system where the upper left corner is the origin in a window. - * We have to adjust for that. However by returning YES here, we are already done with that. + * Windows uses a client coordinate system where the upper left corner is the origin in a window + * (and so does Scintilla). We have to adjust for that. However by returning YES here, we are + * already done with that. * Note that because of returning YES here most coordinates we use now (e.g. for painting, * invalidating rectangles etc.) are given with +Y pointing down! */ @@ -194,7 +195,7 @@ static NSCursor* waitCursor; - (void) doCommandBySelector: (SEL) selector { - if ([self respondsToSelector:@selector(selector)]) + if ([self respondsToSelector: @selector(selector)]) [self performSelector: selector withObject: nil]; } @@ -489,6 +490,45 @@ static NSCursor* waitCursor; mOwner.backend->DraggingExited(sender); } +//-------------------------------------------------------------------------------------------------- + +// NSResponder actions. + +- (void) selectAll: (id) sender +{ + mOwner.backend->SelectAll(); +} + +- (void) deleteBackward: (id) sender +{ + mOwner.backend->DeleteBackward(); +} + +- (void) cut: (id) sender +{ + mOwner.backend->Cut(); +} + +- (void) copy: (id) sender +{ + mOwner.backend->Copy(); +} + +- (void) paste: (id) sender +{ + mOwner.backend->Paste(); +} + +- (void) undo: (id) sender +{ + mOwner.backend->Undo(); +} + +- (void) redo: (id) sender +{ + mOwner.backend->Redo(); +} + @end //-------------------------------------------------------------------------------------------------- @@ -499,7 +539,8 @@ static NSCursor* waitCursor; /** * ScintiallView is a composite control made from an NSView and an embedded NSView that is - * used as canvas for the output (by the backend, using its CGContext), plus two scrollers. + * used as canvas for the output (by the backend, using its CGContext), plus other elements + * (scrollers, info bar). */ //-------------------------------------------------------------------------------------------------- @@ -537,6 +578,37 @@ static NSCursor* waitCursor; //-------------------------------------------------------------------------------------------------- /** + * 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: + // Compute point increase/decrease based on default font size. + int fontSize = [self getGeneralProperty: SCI_STYLEGETSIZE parameter: STYLE_DEFAULT]; + int zoom = (int) (fontSize * (value - 1)); + [self setGeneralProperty: SCI_SETZOOM parameter: zoom value: 0]; + break; + }; +} + +//-------------------------------------------------------------------------------------------------- + +- (void) setCallback: (id <InfoBarCommunicator>) callback +{ + // Not used. Only here to satisfy protocol. +} + +//-------------------------------------------------------------------------------------------------- + +/** * Notification function used by Scintilla to call us back (e.g. for handling clicks on the * folder margin or changes in the editor). */ @@ -568,6 +640,19 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa if (scn->modificationType & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT)) [editor sendNotification: NSTextDidChangeNotification]; break; + case SCN_ZOOM: + // A zoom change happend. Notify info bar if there is one. + float zoom = [editor getGeneralProperty: SCI_GETZOOM parameter: 0]; + int fontSize = [editor getGeneralProperty: SCI_STYLEGETSIZE parameter: STYLE_DEFAULT]; + float factor = (zoom / fontSize) + 1; + [editor->mInfoBar notify: IBNZoomChanged message: nil location: NSZeroPoint value: factor]; + break; + case SCN_UPDATEUI: + // Triggered whenever changes in the UI state need to be reflected. + // These can be: caret changes, selection changes etc. + NSPoint caretPosition = editor->mBackend->GetCaretPosition(); + [editor->mInfoBar notify: IBNCaretChanged message: nil location: caretPosition value: 0]; + break; } break; } @@ -642,6 +727,7 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa */ - (void) dealloc { + [mInfoBar release]; delete mBackend; [super dealloc]; } @@ -661,16 +747,23 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa //-------------------------------------------------------------------------------------------------- /** - * Used to position and size the parts of the editor (content + scrollers). + * Used to position and size the parts of the editor (content, scrollers, info bar). */ - (void) layout { int scrollerWidth = [NSScroller scrollerWidth]; NSSize size = [self frame].size; - NSPoint hScrollerOrigin = {0, 0}; - NSPoint vScrollerOrigin = {size.width - scrollerWidth, 0}; + NSRect hScrollerRect = {0, 0, size.width, scrollerWidth}; + NSRect vScrollerRect = {size.width - scrollerWidth, 0, scrollerWidth, size.height}; + NSRect barFrame = {0, size.height - scrollerWidth, size.width, scrollerWidth}; + BOOL infoBarVisible = mInfoBar != nil && ![mInfoBar isHidden]; + + // Horizontal offset of the content. Almost always 0 unless the vertical scroller + // is on the left side. + int contentX = 0; + // Vertical scroller frame calculation. if (![mVerticalScroller isHidden]) { // Consider user settings (left vs right vertical scrollbar). @@ -678,27 +771,75 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa isEqualToString: @"left"]; if (isLeft) { - vScrollerOrigin.x = 0; - hScrollerOrigin.x = scrollerWidth; + vScrollerRect.origin.x = 0; + hScrollerRect.origin.x = scrollerWidth; + contentX = scrollerWidth; }; size.width -= scrollerWidth; + hScrollerRect.size.width -= scrollerWidth; } + + // Same for horizontal scroller. if (![mHorizontalScroller isHidden]) { + // Make room for the h-scroller. size.height -= scrollerWidth; - vScrollerOrigin.y += scrollerWidth; + vScrollerRect.size.height -= scrollerWidth; + vScrollerRect.origin.y += scrollerWidth; }; - NSRect contentRect = {hScrollerOrigin.x, vScrollerOrigin.y, size.width, size.height}; + // Info bar frame. + if (infoBarVisible) + { + // Initial value already is as if the bar is at top. + if (mInfoBarAtTop) + { + vScrollerRect.size.height -= scrollerWidth; + size.height -= scrollerWidth; + } + else + { + // Layout info bar and h-scroller side by side in a friendly manner. + int nativeWidth = mInitialInfoBarWidth; + int remainingWidth = barFrame.size.width; + + barFrame.origin.y = 0; + + if ([mHorizontalScroller isHidden]) + { + // H-scroller is not visible, so take the full space. + vScrollerRect.origin.y += scrollerWidth; + vScrollerRect.size.height -= scrollerWidth; + size.height -= scrollerWidth; + } + else + { + // If the left offset of the h-scroller is > 0 then the v-scroller is on the left side. + // In this case we take the full width, otherwise what has been given to the h-scroller + // and content up to now. + if (hScrollerRect.origin.x == 0) + remainingWidth = size.width; + + // Note: remainingWidth can become < 0, which hides the scroller. + remainingWidth -= nativeWidth; + + hScrollerRect.origin.x = nativeWidth; + hScrollerRect.size.width = remainingWidth; + barFrame.size.width = nativeWidth; + } + } + } + + NSRect contentRect = {contentX, vScrollerRect.origin.y, size.width, size.height}; [mContent setFrame: contentRect]; + if (infoBarVisible) + [mInfoBar setFrame: barFrame]; if (![mHorizontalScroller isHidden]) - [mHorizontalScroller setFrame: NSMakeRect(hScrollerOrigin.x, hScrollerOrigin.y, size.width, - scrollerWidth)]; + [mHorizontalScroller setFrame: hScrollerRect]; if (![mVerticalScroller isHidden]) - [mVerticalScroller setFrame: NSMakeRect(vScrollerOrigin.x, vScrollerOrigin.y, scrollerWidth, - size.height)]; + [mVerticalScroller setFrame: vScrollerRect]; } //-------------------------------------------------------------------------------------------------- @@ -835,7 +976,7 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa char *buffer(0); const int length = mBackend->WndProc(SCI_GETLENGTH, 0, 0); - if ( length > 0 ) + if (length > 0) { buffer = new char[length + 1]; try @@ -881,6 +1022,28 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa return mContent; } +//-------------------------------------------------------------------------------------------------- + +/** + * Direct call into the backend to allow uninterpreted access to it. The values to be passed in and + * the result heavily depend on the message that is used for the call. Refer to the Scintilla + * documentation to learn what can be used here. + */ ++ (sptr_t) directCall: (ScintillaView*) sender message: (unsigned int) message wParam: (uptr_t) wParam + lParam: (sptr_t) lParam +{ + return ScintillaCocoa::DirectFunction(sender->mBackend, message, wParam, lParam); +} + +//-------------------------------------------------------------------------------------------------- + +/** + * This is a helper method to set a property in the backend, with native parameters. + * + * @param property Main property like SCI_STYLESETFORE for which a value is to get. + * @param parameter Additional info for this property like a parameter or index. + * @param value The value to be set. + */ - (void) setEditorProperty: (int) property wParam: (long) parameter lParam: (long) value { mBackend->WndProc(property, parameter, value); @@ -932,6 +1095,17 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa //-------------------------------------------------------------------------------------------------- /** + * Very similar to getGeneralProperty:parameter, but allows to specify an additional value + * which certain actions require. + */ +- (long) getGeneralProperty: (int) property parameter: (long) parameter extra: (long) extra +{ + return mBackend->WndProc(property, parameter, extra); +} + +//-------------------------------------------------------------------------------------------------- + +/** * Specialized property setter for colors. */ - (void) setColorProperty: (int) property parameter: (long) parameter value: (NSColor*) value @@ -1007,7 +1181,6 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa return result; } - //-------------------------------------------------------------------------------------------------- /** @@ -1018,7 +1191,6 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa mBackend->WndProc(property, parameter, (sptr_t) value); } - //-------------------------------------------------------------------------------------------------- /** @@ -1076,6 +1248,48 @@ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wPa return [NSString stringWithUTF8String: result]; } +//-------------------------------------------------------------------------------------------------- + +/** + * Sets the new control which is displayed as info bar at the top or bottom of the editor. + * Set newBar to nil if you want to hide the bar again. + * When aligned to bottom position then the info bar and the horizontal scroller share the available + * space. The info bar will then only get the width it is currently set to less a minimal amount + * reserved for the scroller. At the top position it gets the full width of the control. + * The info bar's height is set to the height of the scrollbar. + */ +- (void) setInfoBar: (NSView <InfoBarCommunicator>*) newBar top: (BOOL) top +{ + if (mInfoBar != newBar) + { + [mInfoBar removeFromSuperview]; + + mInfoBar = newBar; + mInfoBarAtTop = top; + if (mInfoBar != nil) + { + [self addSubview: mInfoBar]; + [mInfoBar setCallback: self]; + + // Keep the initial width as reference for layout changes. + mInitialInfoBarWidth = [mInfoBar frame].size.width; + } + + [self layout]; + } +} + +//-------------------------------------------------------------------------------------------------- + +/** + * Sets the edit's info bar status message. This call only has an effect if there is an info bar. + */ +- (void) setStatusText: (NSString*) text +{ + if (mInfoBar != nil) + [mInfoBar notify: IBNStatusChanged message: text location: NSZeroPoint value: 0]; +} + @end //-------------------------------------------------------------------------------------------------- |