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/* * 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 "Container.h" #import "GridLayout.h" /* ------------------------- container classes ------------------------- */ @implementation BoxContainer @synthesize label=_label; @synthesize uilayout=_uilayout; @synthesize newline=_newline; - (BoxContainer*)init:(NSUserInterfaceLayoutOrientation)orientation spacing:(int)spacing { self = [super init]; _label = NULL; _uilayout = (UiLayout){ 0 }; _newline = false; self.distribution = NSStackViewDistributionFillProportionally; self.spacing = spacing; self.orientation = orientation; if(orientation == NSUserInterfaceLayoutOrientationHorizontal) { self.alignment = NSLayoutAttributeHeight; } else { self.alignment = NSLayoutAttributeWidth; } return self; } - (void) addView:(NSView*)view fill:(BOOL)fill { if(_uilayout.fill != UI_LAYOUT_UNDEFINED) { fill = ui_lb2bool(_uilayout.fill); } [self addArrangedSubview:view]; if(self.orientation == NSUserInterfaceLayoutOrientationHorizontal) { [view.heightAnchor constraintEqualToAnchor:self.heightAnchor].active = YES; if(!fill) { [view.widthAnchor constraintEqualToConstant:view.intrinsicContentSize.width].active = YES; } } else { [view.widthAnchor constraintEqualToAnchor:self.widthAnchor].active = YES; if(!fill) { [view.heightAnchor constraintEqualToConstant:view.intrinsicContentSize.height].active = YES; } } // at the moment, only the fill layout option needs to be reset _uilayout.fill = UI_DEFAULT; } @end /* -------------------- public container functions --------------------- */ static UIWIDGET ui_box_create(UiObject *obj, UiContainerArgs args, NSUserInterfaceLayoutOrientation orientation) { BoxContainer *box = [[BoxContainer alloc] init:orientation spacing:args.spacing]; box.translatesAutoresizingMaskIntoConstraints = false; // add box to the parent UiLayout layout = UI_INIT_LAYOUT(args); ui_container_add(obj, box, &layout, TRUE); // add new box to the obj container chain uic_object_push_container(obj, ui_create_container(obj, box)); return (__bridge void*)box; } UIWIDGET ui_vbox_create(UiObject *obj, UiContainerArgs args) { return ui_box_create(obj, args, NSUserInterfaceLayoutOrientationVertical); } UIWIDGET ui_hbox_create(UiObject *obj, UiContainerArgs args) { return ui_box_create(obj, args, NSUserInterfaceLayoutOrientationHorizontal); } UIWIDGET ui_grid_create(UiObject *obj, UiContainerArgs args) { GridLayout *grid = [[GridLayout alloc] init]; grid.translatesAutoresizingMaskIntoConstraints = false; // add box to the parent UiLayout layout = UI_INIT_LAYOUT(args); ui_container_add(obj, grid, &layout, TRUE); // add new box to the obj container chain uic_object_push_container(obj, ui_create_container(obj, grid)); return (__bridge void*)grid; } void ui_container_begin_close(UiObject *obj) { UiContainerX *ct = obj->container_end; ct->close = 1; } int ui_container_finish(UiObject *obj) { UiContainerX *ct = obj->container_end; if(ct->close) { ui_end_new(obj); return 0; } return 1; } /* ------------------------- private functions ------------------------- */ UiContainerX* ui_create_container(UiObject *obj, id<Container> container) { UiContainerX *ctn = ui_malloc(obj->ctx, sizeof(UiContainerX)); ctn->container = (__bridge void*)container; ctn->close = 0; ctn->prev = NULL; ctn->next = NULL; return ctn; } void ui_container_add(UiObject *obj, NSView *view, UiLayout *layout, UiBool fill) { UiContainerX *ctn = obj->container_end; id<Container> container = (__bridge id<Container>)ctn->container; container.uilayout = *layout; [container addView:view fill:fill]; } /* ---------------------- public layout functions ----------------------- */ void ui_newline(UiObject *obj) { UiContainerX *ctn = obj->container_end; if(ctn) { id<Container> container = (__bridge id<Container>)ctn->container; container.newline = TRUE; } else { fprintf(stderr, "Error: obj has no container\n"); } }