--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/winui/table.cpp Thu Oct 05 18:50:42 2023 +0200 @@ -0,0 +1,284 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2023 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 "table.h" +#include "container.h" +#include "util.h" + +#include "../common/context.h" +#include "../common/object.h" + +#include <winrt/Microsoft.UI.Xaml.Data.h> +#include <winrt/Microsoft.UI.Xaml.Media.h> +#include <winrt/Microsoft.UI.Xaml.Input.h> + +using namespace winrt; +using namespace Microsoft::UI::Xaml; +using namespace Microsoft::UI::Xaml::Controls; +using namespace Windows::UI::Xaml::Interop; +using namespace winrt::Windows::Foundation; +using namespace winrt::Microsoft::UI::Xaml::Controls::Primitives; +using namespace winrt::Microsoft::UI::Xaml::Media; +using namespace winrt::Windows::UI::Xaml::Input; + +extern "C" void reg_table_destructor(UiContext * ctx, UiTable * table) { + // TODO: +} + +UIEXPORT UIWIDGET ui_table_create(UiObject* obj, UiListArgs args) { + if (!args.model) { + return nullptr; + } + + UiObject* current = uic_current_obj(obj); + + // create widgets and wrapper obj + ScrollViewer scrollW = ScrollViewer(); + Grid grid = Grid(); + scrollW.Content(grid); + UiTable* uitable = new UiTable(scrollW, grid); + reg_table_destructor(current->ctx, uitable); + + + uitable->getvalue = args.model->getvalue ? args.model->getvalue : args.getvalue; + + // grid styling + winrt::Windows::UI::Color bg = { 233, 233, 255, 255 }; // test color + SolidColorBrush brush = SolidColorBrush(bg); + grid.Background(brush); + + // add columns from args.model + uitable->add_header(args.model); + + // bind var + UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); + if (var) { + UiList* list = (UiList*)var->value; + list->update = ui_table_update; + list->obj = uitable; + uitable->update(list, 0); + } + + // create toolkit wrapper object and register destructor + UIElement elm = scrollW; + UiWidget* widget = new UiWidget(elm); + ui_context_add_widget_destructor(current->ctx, widget); + + // add scrollW to current container + UI_APPLY_LAYOUT1(current, args); + + current->container->Add(scrollW, false); + + return widget; +} + +extern "C" void ui_table_update(UiList * list, int i) { + UiTable* table = (UiTable*)list->obj; + table->clear(); + table->update(list, i); +} + +UiTable::UiTable(winrt::Microsoft::UI::Xaml::Controls::ScrollViewer scrollW, winrt::Microsoft::UI::Xaml::Controls::Grid grid) { + this->scrollw = scrollw; + this->grid = grid; + + winrt::Windows::UI::Color highlightBg = { 120, 120, 255, 255 }; // test color + highlightBrush = SolidColorBrush(highlightBg); + + winrt::Windows::UI::Color defaultBg = { 0, 0, 0, 0 }; // default + defaultBrush = SolidColorBrush(defaultBg); + + winrt::Windows::UI::Color selectedBg = { 255, 120, 120, 255 }; // test color + selectedBrush = SolidColorBrush(selectedBg); + + winrt::Windows::UI::Color selectedFg = { 255, 20, 20, 255 }; // test color + selectedBorderBrush = SolidColorBrush(selectedFg); +} + +void UiTable::add_header(UiModel* model) { + GridLength gl; + gl.Value = 0; + gl.GridUnitType = GridUnitType::Auto; + + // add header row definition + auto headerRowDef = RowDefinition(); + headerRowDef.Height(gl); + grid.RowDefinitions().Append(headerRowDef); + + + for (int i = 0; i < model->columns;i++) { + char* title = model->titles[i]; + UiModelType type = model->types[i]; + + // add grid column definition + auto colDef = ColumnDefinition(); + colDef.Width(gl); + grid.ColumnDefinitions().Append(colDef); + + // add button + auto button = Button(); + wchar_t* wlabel = str2wstr(title, nullptr); + button.Content(box_value(wlabel)); + free(wlabel); + + // some styling for the button + Thickness border = { 0,0,1,0 }; + CornerRadius corner = { 0,0,0,0 }; + button.BorderThickness(border); + button.CornerRadius(corner); + + grid.SetColumn(button, i); + grid.SetRow(button, 0); + grid.Children().Append(button); + + UiTableColumn h; + h.header = button; + header.push_back(h); + } + + maxrows = 1; +} + +void UiTable::update(UiList* list, int i) { + if (getvalue == nullptr) { + return; + } + + Thickness b1 = { 1, 1, 0, 1 }; // first col + Thickness b2 = { 0, 1, 0, 1 }; // middle + Thickness b3 = { 0, 1, 1, 1 }; // last col + + GridLength gl; + gl.Value = 0; + gl.GridUnitType = GridUnitType::Auto; + + int row = 1; + void* elm = list->first(list); + while (elm) { + if (row >= maxrows) { + auto rowdef = RowDefinition(); + rowdef.Height(gl); + grid.RowDefinitions().Append(rowdef); + maxrows = row; + } + + for (int col = 0; col < header.size(); col++) { + Border cellBorder = Border(); + cellBorder.Background(defaultBrush); + TextBlock cell = TextBlock(); + cellBorder.Child(cell); + cellBorder.BorderBrush(defaultBrush); + if (col == 0) { + cellBorder.BorderThickness(b1); + } + else if (col + 1 == header.size()) { + cellBorder.BorderThickness(b3); + } + else { + cellBorder.BorderThickness(b2); + } + + char* value = (char*)getvalue(elm, col); + if (value) { + wchar_t* wstr = str2wstr(value, nullptr); + cell.Text(winrt::hstring(wstr)); + free(wstr); + } + Thickness padding = { 10,0,4,0 }; + cell.Padding(padding); + cell.VerticalAlignment(VerticalAlignment::Stretch); + + // event handler + cellBorder.PointerPressed( + winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( + [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { + if (selection > 0) { + row_background(selection, defaultBrush, defaultBrush); + } + row_background(row, selectedBrush, selectedBorderBrush); + selection = row; + }) + ); + cellBorder.PointerReleased( + winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( + [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { + + }) + ); + cellBorder.PointerEntered( + winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( + [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { + if (selection != row) { + row_background(row, highlightBrush, highlightBrush); + } + }) + ); + cellBorder.PointerExited( + winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( + [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { + if (selection != row) { + row_background(row, defaultBrush, defaultBrush); + } + }) + ); + + grid.SetColumn(cellBorder, col); + grid.SetRow(cellBorder, row); + grid.Children().Append(cellBorder); + } + + row++; + elm = list->next(list); + } +} + +void UiTable::clear() { + for (int i = grid.Children().Size()-1; i >= 0; i--) { + FrameworkElement elm = grid.Children().GetAt(i).as<FrameworkElement>(); + int child_row = grid.GetRow(elm); + if (child_row > 0) { + grid.Children().RemoveAt(i); + } + } +} + +void UiTable::row_background(int row, winrt::Microsoft::UI::Xaml::Media::Brush brush, winrt::Microsoft::UI::Xaml::Media::Brush borderBrush) { + Thickness b1 = { 1, 1, 0, 1 }; // first col + Thickness b2 = { 0, 1, 0, 1 }; // middle + Thickness b3 = { 0, 1, 1, 1 }; // last col + + for (auto child : grid.Children()) { + FrameworkElement elm = child.as<FrameworkElement>(); + int child_row = grid.GetRow(elm); + if (child_row == row) { + Border b = elm.as<Border>(); + b.Background(brush); + b.BorderBrush(borderBrush); + } + } +}