/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2025 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.
*/
#include "container.h"
#include "grid.h"
#include "../common/context.h"
#include "../common/container.h"
#include "../motif/container.h"
static W32WidgetClass grid_layout_widget_class = {
.eventproc = ui_grid_widget_event,
.enable = NULL,
.show = w32_widget_default_show,
.get_preferred_size = ui_grid_layout_get_preferred_size,
.destroy = w32_widget_default_destroy
};
UiContainerPrivate* ui_obj_container(UiObject *obj) {
return (UiContainerPrivate*)obj->container_end;
}
HWND ui_container_get_parent(UiContainerPrivate *ctn) {
return ctn->parent ? ctn->parent(ctn) : ctn->hwnd;
}
void ui_container_add(UiContainerPrivate *ctn, W32Widget *widget, UiLayout *layout) {
UiLayout layout2 = *layout;
if (layout2.margin > 0) {
layout2.margin_left = layout2.margin;
layout2.margin_right = layout2.margin;
layout2.margin_top = layout2.margin;
layout2.margin_bottom = layout2.margin;
}
ctn->add(ctn, widget, &layout2);
ctn->container.newline = FALSE;
}
int ui_grid_widget_event(W32Widget *widget, HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
if (uMsg == WM_ERASEBKGND) {
HDC hdc = (HDC)wParam;
UiGridWidget *grid = (UiGridWidget*)widget;
RECT rc;
GetClientRect(hwnd, &rc);
FillRect(hdc, &rc, grid->brush);
return 1;
}
return 0;
}
W32Size ui_grid_layout_get_preferred_size(W32Widget *widget) {
UiGridLayout *grid = widget->layoutmanager;
W32Size size;
size.width = grid->preferred_width;
size.height = grid->preferred_height;
return size;
}
/* ---------------------------- Box Container ---------------------------- */
static UIWIDGET box_create(UiObject *obj, UiContainerArgs *args, UiBoxOrientation orientation) {
return NULL;
}
// public
UIWIDGET ui_vbox_create(UiObject *obj, UiContainerArgs *args) {
return box_create(obj, args, UI_BOX_VERTICAL);
}
// public
UIWIDGET ui_hbox_create(UiObject *obj, UiContainerArgs *args) {
return box_create(obj, args, UI_BOX_HORIZONTAL);
}
UiContainerX* ui_box_container_create(UiObject *obj, HWND hwnd, UiBoxOrientation orientation, short spacing, GridEdgeInsets padding) {
UiBoxContainer *container = cxZalloc(obj->ctx->allocator, sizeof(UiBoxContainer));
container->container.hwnd = hwnd;
container->container.add = ui_box_container_add;
container->layout = ui_grid_layout_create(obj->ctx->allocator, spacing, spacing);
container->layout->padding = padding;
container->orientation = orientation;
return (UiContainerX*)container;
}
void ui_box_container_add(UiContainerPrivate *ctn, W32Widget *widget, UiLayout *layout) {
UiBoxContainer *box = (UiBoxContainer*)ctn;
GridLayoutInfo gridLayout = (GridLayoutInfo) {
.margin = (GridEdgeInsets) { layout->margin_top, layout->margin_bottom, layout->margin_left, layout->margin_right },
};
if (box->orientation == UI_BOX_HORIZONTAL) {
gridLayout.vexpand = TRUE;
gridLayout.vfill = TRUE;
gridLayout.hexpand = layout->fill;
gridLayout.hfill = layout->fill;
} else {
gridLayout.hexpand = TRUE;
gridLayout.hfill = TRUE;
gridLayout.vexpand = layout->fill;
gridLayout.vfill = layout->fill;
}
ui_grid_add_widget(box->layout, box->x, box->y, widget, &gridLayout);
if (box->orientation == UI_BOX_HORIZONTAL) {
box->x++;
} else {
box->y++;
}
}
/* ---------------------------- Grid Container ---------------------------- */
UIWIDGET ui_grid_create(UiObject *obj, UiContainerArgs *args) {
HINSTANCE hInstance = GetModuleHandle(NULL);
UiContainerPrivate *container = ui_obj_container(obj);
HWND parent = ui_container_get_parent(container);
UiLayout layout = UI_ARGS2LAYOUT(args);
HWND hwnd = CreateWindowEx(
0,
TEXT("STATIC"),
NULL,
WS_CHILD | WS_VISIBLE,
0, 0, 300, 300,
parent,
NULL,
hInstance,
NULL);
SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)ui_default_eventproc);
UiGridWidget *widget = w32_widget_create(&grid_layout_widget_class, hwnd, sizeof(UiGridWidget));
ui_container_add(container, (W32Widget*)widget, &layout);
UiContainerX *gridContainer = ui_grid_container_create(obj, hwnd, args->columnspacing, args->rowspacing, INSETS_ZERO);
uic_object_push_container(obj, gridContainer);
UiGridLayoutContainer *grid = (UiGridLayoutContainer*)gridContainer;
widget->widget.layout = (W32LayoutFunc)ui_grid_layout;
widget->widget.layoutmanager = grid->layout;
widget->brush = GetSysColorBrush(COLOR_BTNFACE);
grid->layout->preferred_width = 200;
grid->layout->preferred_height = 200;
return (W32Widget*)widget;
}
UiContainerX* ui_grid_container_create(UiObject *obj, HWND hwnd, short columnspacing, short rowspacing, GridEdgeInsets padding) {
UiGridLayoutContainer *container = cxZalloc(obj->ctx->allocator, sizeof(UiGridLayoutContainer));
container->container.hwnd = hwnd;
container->container.add = ui_grid_container_add;
container->layout = ui_grid_layout_create(obj->ctx->allocator, columnspacing, rowspacing);
container->layout->padding = padding;
return (UiContainerX*)container;
}
void ui_grid_container_add(UiContainerPrivate *ctn, W32Widget *widget, UiLayout *layout) {
UiGridLayoutContainer *grid = (UiGridLayoutContainer*)ctn;
if (ctn->container.newline) {
grid->y++;
grid->x = 0;
}
uic_layout_setup_expand_fill(layout, grid->def_hexpand, grid->def_vexpand, grid->def_hfill, grid->def_vfill);
GridLayoutInfo gridLayout = (GridLayoutInfo) {
.margin = (GridEdgeInsets) { layout->margin_top, layout->margin_bottom, layout->margin_left, layout->margin_right },
.colspan = layout->colspan,
.rowspan = layout->rowspan,
.hexpand = layout->hexpand,
.vexpand = layout->vexpand,
.hfill = layout->hfill,
.vfill = layout->vfill,
};
ui_grid_add_widget(grid->layout, grid->x, grid->y, widget, &gridLayout);
grid->x++;
}
/* ---------------------------- Container Helper ---------------------------- */
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;
}