--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/winui/table.cpp Sun Jan 21 16:30:18 2024 +0100
@@ -0,0 +1,597 @@
+/*
+ * 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 "pch.h"
+
+#include "table.h"
+#include "container.h"
+#include "util.h"
+#include "icons.h"
+
+#include "../common/context.h"
+#include "../common/object.h"
+#include "../common/types.h"
+
+#include <winrt/Microsoft.UI.Xaml.Data.h>
+#include <winrt/Microsoft.UI.Xaml.Media.h>
+#include <winrt/Microsoft.UI.Xaml.Input.h>
+#include <winrt/Windows.UI.Core.h>
+#include <winrt/Windows.ApplicationModel.h>
+#include <winrt/Windows.ApplicationModel.DataTransfer.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;
+
+static UINT ui_double_click_time = GetDoubleClickTime();
+
+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(obj, scrollW, grid);
+ reg_table_destructor(current->ctx, uitable);
+
+ uitable->getvalue = args.model->getvalue ? args.model->getvalue : args.getvalue;
+ uitable->onselection = args.onselection;
+ uitable->onselectiondata = args.onselectiondata;
+ uitable->onactivate = args.onactivate;
+ uitable->onactivatedata = args.onactivatedata;
+ uitable->ondragstart = args.ondragstart;
+ uitable->ondragstartdata = args.ondragstartdata;
+ uitable->ondragcomplete = args.ondragcomplete;
+ uitable->ondrop = args.ondrop;
+ uitable->ondropdata = args.ondropsdata;
+
+ // grid styling
+ winrt::Windows::UI::Color bg = { 255, 255, 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(UiObject *obj, winrt::Microsoft::UI::Xaml::Controls::ScrollViewer scrollW, winrt::Microsoft::UI::Xaml::Controls::Grid grid) {
+ this->obj = obj;
+
+ this->scrollw = scrollw;
+ this->grid = grid;
+
+ winrt::Windows::UI::Color highlightBg = { 255, 234, 234, 234 };
+ highlightBrush = SolidColorBrush(highlightBg);
+
+ winrt::Windows::UI::Color defaultBg = { 0, 0, 0, 0 }; // default
+ defaultBrush = SolidColorBrush(defaultBg);
+
+ winrt::Windows::UI::Color selectedBg = { 255, 204, 232, 255 }; // test color
+ selectedBrush = SolidColorBrush(selectedBg);
+
+ winrt::Windows::UI::Color selectedFg = { 255, 0, 90, 158 }; // test color
+ selectedBorderBrush = SolidColorBrush(selectedFg);
+
+ grid.KeyDown(
+ winrt::Microsoft::UI::Xaml::Input::KeyEventHandler(
+ [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::KeyRoutedEventArgs const& args) {
+ // key event for hanling the table cursor or enter
+ })
+ );
+}
+
+UiTable::~UiTable() {
+ ui_model_free(NULL, model);
+}
+
+void UiTable::add_header(UiModel* model) {
+ this->model = ui_model_copy(NULL, 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;
+}
+
+static void textblock_set_str(TextBlock &t, const char *str) {
+ if (str) {
+ wchar_t* wstr = str2wstr(str, nullptr);
+ t.Text(winrt::hstring(wstr));
+ free(wstr);
+ }
+}
+
+static void textblock_set_int(TextBlock& t, int i) {
+ wchar_t buf[16];
+ swprintf(buf, 16, L"%d", i);
+ t.Text(winrt::hstring(buf));
+}
+
+static ULONG64 getsystime() {
+ SYSTEMTIME st;
+ GetSystemTime(&st);
+ return st.wYear * 10000000000000 +
+ st.wMonth * 100000000000 +
+ st.wDay * 1000000000 +
+ st.wHour * 10000000 +
+ st.wMinute * 100000 +
+ st.wSecond * 1000 +
+ st.wMilliseconds;
+}
+
+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;
+
+ // iterate model
+ 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;
+ }
+
+ Thickness cellpadding = { 10,0,4,0 };
+
+ // model column, usually the same as col, however UI_ICON_TEXT uses two columns in the model
+ int model_col = 0;
+ for (int col = 0; col < header.size(); col++, model_col++) {
+ // create ui elements with the correct cell border
+ // dependeing on the column
+ Border cellBorder = Border();
+ cellBorder.Background(defaultBrush);
+ cellBorder.BorderBrush(defaultBrush);
+ if (col == 0) {
+ cellBorder.BorderThickness(b1);
+ }
+ else if (col + 1 == header.size()) {
+ cellBorder.BorderThickness(b3);
+ }
+ else {
+ cellBorder.BorderThickness(b2);
+ }
+
+ // dnd
+ if (ondragstart) {
+ cellBorder.CanDrag(true);
+ cellBorder.DragStarting([this](IInspectable const& sender, DragStartingEventArgs args) {
+ UiDnD dnd;
+ dnd.evttype = 0;
+ dnd.dndstartargs = args;
+ dnd.dndcompletedargs = { nullptr };
+ dnd.drageventargs = { nullptr };
+ dnd.data = args.Data();
+
+ UiListDnd dndevt;
+ dndevt.selection = uiselection();
+ dndevt.dnd = &dnd;
+
+ UiEvent evt;
+ evt.obj = this->obj;
+ evt.window = evt.obj->window;
+ evt.document = obj->ctx->document;
+ evt.eventdata = &dndevt;
+ evt.intval = 0;
+
+ this->ondragstart(&evt, this->ondragstartdata);
+
+ if (dndevt.selection.rows) {
+ free(dndevt.selection.rows);
+ }
+ });
+ cellBorder.DropCompleted([this](IInspectable const& sender, DropCompletedEventArgs args) {
+ UiDnD dnd;
+ dnd.evttype = 1;
+ dnd.dndstartargs = { nullptr };
+ dnd.dndcompletedargs = args;
+ dnd.drageventargs = { nullptr };
+ dnd.data = { nullptr };
+
+ UiListDnd dndevt;
+ dndevt.selection = uiselection();
+ dndevt.dnd = &dnd;
+
+ UiEvent evt;
+ evt.obj = this->obj;
+ evt.window = evt.obj->window;
+ evt.document = obj->ctx->document;
+ evt.eventdata = &dndevt;
+ evt.intval = 0;
+
+ if (this->ondragcomplete) {
+ this->ondragcomplete(&evt, this->ondragcompletedata);
+ }
+ if (dndevt.selection.rows) {
+ free(dndevt.selection.rows);
+ }
+ });
+ }
+ if (ondrop) {
+ cellBorder.AllowDrop(true);
+ cellBorder.Drop(DragEventHandler([this](winrt::Windows::Foundation::IInspectable const& sender, DragEventArgs const& args){
+ UiDnD dnd;
+ dnd.evttype = 2;
+ dnd.dndstartargs = { nullptr };
+ dnd.dndcompletedargs = { nullptr };
+ dnd.drageventargs = args;
+ dnd.data = args.Data();
+
+ UiListDnd dndevt;
+ dndevt.selection = uiselection();
+ dndevt.dnd = &dnd;
+
+ UiEvent evt;
+ evt.obj = this->obj;
+ evt.window = evt.obj->window;
+ evt.document = obj->ctx->document;
+ evt.eventdata = &dndevt;
+ evt.intval = 0;
+
+ this->ondrop(&evt, this->ondropdata);
+
+ if (dndevt.selection.rows) {
+ free(dndevt.selection.rows);
+ }
+ }));
+ }
+
+ // set the cell value
+ // depending on the type, we create different cell controls
+ UiModelType type = model->types[col];
+ switch (type) {
+ case UI_STRING: {
+ TextBlock cell = TextBlock();
+ cell.Padding(cellpadding);
+ cell.VerticalAlignment(VerticalAlignment::Stretch);
+ textblock_set_str(cell, (char*)getvalue(elm, model_col));
+ cellBorder.Child(cell);
+
+ break;
+ }
+ case UI_INTEGER: {
+ TextBlock cell = TextBlock();
+ cell.Padding(cellpadding);
+ cell.VerticalAlignment(VerticalAlignment::Stretch);
+ int *value = (int*)getvalue(elm, model_col);
+ if (value) {
+ textblock_set_int(cell, *value);
+ }
+ cellBorder.Child(cell);
+ break;
+ }
+ case UI_ICON: {
+ UiIcon* iconConstr = (UiIcon*)getvalue(elm, model_col);
+ if (iconConstr) {
+ IconElement icon = iconConstr->getIcon();
+ cellBorder.Child(icon);
+ }
+ break;
+ }
+ case UI_ICON_TEXT: {
+ StackPanel cellPanel = StackPanel();
+ cellPanel.Spacing(2);
+ cellPanel.Padding(cellpadding);
+ cellPanel.VerticalAlignment(VerticalAlignment::Stretch);
+
+ cellPanel.Orientation(Orientation::Horizontal);
+ UiIcon* iconConstr = (UiIcon*)getvalue(elm, model_col++);
+ char* str = (char*)getvalue(elm, model_col);
+ if (iconConstr) {
+ IconElement icon = iconConstr->getIcon();
+ cellPanel.Children().Append(icon);
+ }
+ TextBlock cell = TextBlock();
+ textblock_set_str(cell, str);
+ cellPanel.Children().Append(cell);
+ cellBorder.Child(cellPanel);
+ break;
+ }
+ }
+
+ // event handler
+ cellBorder.PointerPressed(
+ winrt::Microsoft::UI::Xaml::Input::PointerEventHandler(
+ [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) {
+ winrt::Windows::System::VirtualKeyModifiers modifiers = args.KeyModifiers();
+ bool update_selection = true;
+
+ if (modifiers == winrt::Windows::System::VirtualKeyModifiers::Control) {
+ // add/remove current row
+ if (!is_row_selected(row)) {
+ row_background(row, selectedBrush, selectedBorderBrush);
+ selection.push_back(row);
+ }
+ else {
+ row_background(row, highlightBrush, highlightBrush);
+ remove_from_selection(row);
+ }
+ }
+ else if (modifiers == winrt::Windows::System::VirtualKeyModifiers::None || selection.size() == 0) {
+ // no modifier or shift is pressed but there is no selection
+ if (selection.size() > 0) {
+ change_rows_bg(selection, defaultBrush, defaultBrush);
+ }
+
+ row_background(row, selectedBrush, selectedBorderBrush);
+ selection = { row };
+ if (modifiers == winrt::Windows::System::VirtualKeyModifiers::None) {
+ SYSTEMTIME st;
+ GetSystemTime(&st);
+
+ ULONG64 now = getsystime();
+ ULONG64 tdiff = now - lastPointerPress;
+ if (tdiff < ui_double_click_time && onactivate != nullptr) {
+ // two pointer presse events in short time and we have an onactivate handler
+ update_selection = false; // we don't want an additional selection event
+ lastPointerPress = 0; // reset double-click
+
+ int selectedrow = row - 1; // subtract header row
+
+ UiListSelection selection;
+ selection.count = 1;
+ selection.rows = &selectedrow;
+
+ UiEvent evt;
+ evt.obj = obj;
+ evt.window = obj->window;
+ evt.document = obj->ctx->document;
+ evt.eventdata = &selection;
+ evt.intval = selectedrow;
+ onactivate(&evt, onactivatedata);
+ }
+ else {
+ lastPointerPress = now;
+ }
+ }
+ }
+ else if (modifiers == winrt::Windows::System::VirtualKeyModifiers::Shift) {
+ // select everything between the first selection and the current row
+ std::sort(selection.begin(), selection.end());
+ int first = selection.front();
+ int last = row;
+ if (first > row) {
+ last = first;
+ first = row;
+ }
+
+ // clear previous selection
+ change_rows_bg(selection, defaultBrush, defaultBrush);
+
+ // create new selection
+ std::vector<int> newselection;
+ for (int s = first; s <= last; s++) {
+ newselection.push_back(s);
+ }
+ selection = newselection;
+ change_rows_bg(selection, selectedBrush, selectedBorderBrush);
+ }
+
+ if (update_selection) {
+ call_handler(onselection, onselectiondata);
+ }
+ })
+ );
+ 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 (!is_row_selected(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 (!is_row_selected(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);
+ }
+ }
+
+ // TODO: should we clean row definitions?
+}
+
+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);
+ }
+ }
+}
+
+void UiTable::change_rows_bg(std::vector<int> rows, winrt::Microsoft::UI::Xaml::Media::Brush brush, winrt::Microsoft::UI::Xaml::Media::Brush borderBrush) {
+ std::for_each(rows.cbegin(), rows.cend(), [&](const int& row) {row_background(row, brush, borderBrush); });
+}
+
+bool UiTable::is_row_selected(int row) {
+ return std::find(selection.begin(), selection.end(), row) != selection.end() ? true : false;
+}
+
+void UiTable::remove_from_selection(int row) {
+ selection.erase(std::remove(selection.begin(), selection.end(), row), selection.end());
+ selection.shrink_to_fit();
+}
+
+UiListSelection UiTable::uiselection() {
+ std::sort(selection.begin(), selection.end());
+
+ UiListSelection selobj;
+ selobj.count = selection.size();
+ selobj.rows = nullptr;
+ if (selobj.count > 0) {
+ selobj.rows = (int*)calloc(selobj.count, sizeof(int));
+ memcpy(selobj.rows, selection.data(), selobj.count * sizeof(int));
+ for (int i = 0; i < selobj.count; i++) {
+ selobj.rows[i]--;
+ }
+ }
+ return selobj;
+}
+
+void UiTable::call_handler(ui_callback cb, void* cbdata) {
+ if (!cb) {
+ return;
+ }
+
+ UiListSelection selobj = uiselection();
+
+ UiEvent evt;
+ evt.obj = obj;
+ evt.window = obj->window;
+ evt.document = obj->ctx->document;
+ evt.eventdata = &selobj;
+ evt.intval = 0;
+ cb(&evt, cbdata);
+
+ if (selobj.rows) {
+ free(selobj.rows);
+ }
+}