--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/cocoa/GridLayout.m Thu Dec 12 20:01:43 2024 +0100 @@ -0,0 +1,214 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2024 Olaf Wintermann. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#import "GridLayout.h" + + + +@implementation GridLayout + +@synthesize label=_label; +@synthesize uilayout=_uilayout; +@synthesize newline=_newline; + +- (GridLayout*)init { + self = [super init]; + _columnspacing = 0; + _rowspacing = 0; + _children = cxArrayListCreateSimple(sizeof(GridElm), 32); + + return self; +} + +/* +- (void) layout { + [super layout]; + + NSRect r1 = _test.frame; + NSSize s1 = _test.intrinsicContentSize; + NSEdgeInsets e1 = _test.alignmentRectInsets; + + printf("fuck\n"); +} + */ + + +- (void) layout { + int ncols = _cols+1; + int nrows = _rows+1; + + GridDef *coldef = calloc(ncols, sizeof(GridDef)); + GridDef *rowdef = calloc(nrows, sizeof(GridDef)); + + NSRect viewFrame = self.frame; + + int colspacing = _columnspacing; + int rowspacing = _rowspacing; + + CxIterator i = cxListIterator(_children); + cx_foreach(GridElm *, elm, i) { + NSSize size = elm->view.intrinsicContentSize; + NSEdgeInsets alignment = elm->view.alignmentRectInsets; + if(size.width != NSViewNoIntrinsicMetric) { + CGFloat width = size.width + alignment.left + alignment.right; + if(width > coldef[elm->x].preferred_size) { + coldef[elm->x].preferred_size = width; + } + } + if(size.height != NSViewNoIntrinsicMetric) { + CGFloat height = size.height + alignment.top + alignment.right; + //CGFloat height = size.height; + if(height > rowdef[elm->y].preferred_size) { + rowdef[elm->y].preferred_size = height; + } + } + + if(elm->hexpand) { + coldef[elm->x].extend = TRUE; + } + if(elm->vexpand) { + rowdef[elm->y].extend = TRUE; + } + } + + int col_ext = 0; + int row_ext = 0; + + int preferred_width = 0; + int preferred_height = 0; + for(int j=0;j<ncols;j++) { + preferred_width += coldef[j].preferred_size + colspacing; + if(coldef[j].extend) { + col_ext++; + } + } + for(int j=0;j<nrows;j++) { + preferred_height += rowdef[j].preferred_size + rowspacing; + if(rowdef[j].extend) { + row_ext++; + } + } + + _preferredSize.width = preferred_width; + _preferredSize.height = preferred_height; + + + int hremaining = viewFrame.size.width - preferred_width; + int vremaining = viewFrame.size.height - preferred_height; + int hext = hremaining/col_ext; + int vext = vremaining/row_ext; + + for(int j=0;j<ncols;j++) { + GridDef *col = &coldef[j]; + if(col->extend) { + col->size = col->preferred_size + hext; + } else { + col->size = col->preferred_size; + } + } + for(int j=0;j<nrows;j++) { + GridDef *row = &rowdef[j]; + if(row->extend) { + row->size = row->preferred_size + vext; + } else { + row->size = row->preferred_size; + } + } + + int pos = 0; + for(int j=0;j<ncols;j++) { + coldef[j].pos = pos; + pos += coldef[j].size + colspacing; + } + pos = 0; + for(int j=0;j<nrows;j++) { + rowdef[j].pos = pos; + pos += rowdef[j].size + rowspacing; + } + + i = cxListIterator(_children); + cx_foreach(GridElm *, elm, i) { + //NSSize size = elm->view.intrinsicContentSize; + GridDef *col = &coldef[elm->x]; + GridDef *row = &rowdef[elm->y]; + + NSEdgeInsets alignment = elm->view.alignmentRectInsets; + NSRect frame; + frame.size.width = col->size; + frame.size.height = row->size; + frame.origin.x = col->pos - (alignment.left+alignment.right)/2; + frame.origin.y = viewFrame.size.height - row->pos - frame.size.height + ((alignment.top+alignment.right)/2); + elm->view.frame = frame; + } + + free(coldef); + free(rowdef); +} + + +- (NSSize)intrinsicContentSize { + return self.preferredSize; +} + +- (void) addView:(NSView*)view fill:(BOOL)fill { + if(_newline) { + _y++; + _x = 0; + _newline = FALSE; + } + + GridElm elm; + elm.x = _x; + elm.y = _y; + elm.margin = 0; + elm.colspan = _uilayout.colspan; + elm.rowspan = _uilayout.rowspan; + elm.hfill = _uilayout.hfill; + elm.vfill = _uilayout.vfill; + elm.hexpand = _uilayout.hexpand; + elm.vexpand = _uilayout.vexpand; + elm.view = view; + cxListAdd(_children, &elm); + + [self addSubview:view]; + self.needsLayout = YES; + + if(_x > _cols) { + _cols = _x; + } + if(_y > _rows) { + _rows = _y; + } + _x++; +} + +- (void) dealloc { + cxListDestroy(_children); +} + +@end