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Make price categories scrollable.

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This commit is contained in:
John Preston 2024-12-05 10:45:14 +04:00
parent b61c66c385
commit 0045eb4598
1 changed files with 63 additions and 8 deletions
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71
Telegram/SourceFiles/boxes/star_gift_box.cpp
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@ -57,6 +57,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "ui/text/format_values.h"
#include "ui/text/text_utilities.h"
#include "ui/toast/toast.h"
#include "ui/ui_utility.h"
#include "ui/vertical_list.h"
#include "ui/widgets/fields/input_field.h"
#include "ui/widgets/buttons.h"
@ -71,6 +72,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "styles/style_premium.h"
#include "styles/style_settings.h"
#include <QtWidgets/QApplication>
namespace Ui {
namespace {
@ -589,11 +592,22 @@ struct GiftPriceTabs {
struct State {
rpl::variable<std::vector<int>> prices;
rpl::variable<int> priceTab = kPriceTabAll;
rpl::variable<int> fullWidth;
std::vector<Button> buttons;
int dragx = 0;
int pressx = 0;
float64 dragscroll = 0.;
float64 scroll = 0.;
int scrollMax = 0;
int selected = -1;
int pressed = -1;
int active = -1;
};
const auto state = raw->lifetime().make_state<State>();
const auto scroll = [=] {
return QPoint(int(base::SafeRound(state->scroll)), 0);
};
state->prices = std::move(
gifts
) | rpl::map([](const std::vector<GiftTypeStars> &gifts) {
@ -681,6 +695,9 @@ struct GiftPriceTabs {
button.geometry = QRect(QPoint(x, y), r.size());
x += r.width() + st::giftBoxTabSkip;
}
state->fullWidth = x
- st::giftBoxTabSkip
+ st::giftBoxTabsMargin.right();
const auto height = state->buttons.empty()
? 0
: (y
@ -690,13 +707,35 @@ struct GiftPriceTabs {
raw->update();
}, raw->lifetime());
rpl::combine(
raw->widthValue(),
state->fullWidth.value()
) | rpl::start_with_next([=](int outer, int inner) {
state->scrollMax = std::max(0, inner - outer);
}, raw->lifetime());
raw->setMouseTracking(true);
raw->events() | rpl::start_with_next([=](not_null<QEvent*> e) {
const auto type = e->type();
switch (type) {
case QEvent::Leave: setSelected(-1); break;
case QEvent::MouseMove: {
const auto position = static_cast<QMouseEvent*>(e.get())->pos();
const auto me = static_cast<QMouseEvent*>(e.get());
const auto mousex = me->pos().x();
const auto drag = QApplication::startDragDistance();
if (state->dragx > 0) {
state->scroll = std::clamp(
state->dragscroll + state->dragx - mousex,
0.,
state->scrollMax * 1.);
raw->update();
break;
} else if (state->pressx > 0
&& std::abs(state->pressx - mousex) > drag) {
state->dragx = state->pressx;
state->dragscroll = state->scroll;
}
const auto position = me->pos() + scroll();
for (auto i = 0, c = int(state->buttons.size()); i != c; ++i) {
if (state->buttons[i].geometry.contains(position)) {
setSelected(i);
@ -704,17 +743,32 @@ struct GiftPriceTabs {
}
}
} break;
case QEvent::Wheel: {
const auto me = static_cast<QWheelEvent*>(e.get());
state->scroll = std::clamp(
state->scroll - Ui::ScrollDeltaF(me).x(),
0.,
state->scrollMax * 1.);
raw->update();
} break;
case QEvent::MouseButtonPress: {
const auto me = static_cast<QMouseEvent*>(e.get());
if (me->button() != Qt::LeftButton) {
break;
}
const auto position = me->pos();
for (auto i = 0, c = int(state->buttons.size()); i != c; ++i) {
if (state->buttons[i].geometry.contains(position)) {
setActive(i);
break;
}
state->pressed = state->selected;
state->pressx = me->pos().x();
} break;
case QEvent::MouseButtonRelease: {
const auto me = static_cast<QMouseEvent*>(e.get());
if (me->button() != Qt::LeftButton) {
break;
}
const auto dragx = std::exchange(state->dragx, 0);
const auto pressed = std::exchange(state->pressed, -1);
state->pressx = 0;
if (!dragx && pressed >= 0 && state->selected == pressed) {
setActive(pressed);
}
} break;
}
@ -724,8 +778,9 @@ struct GiftPriceTabs {
auto p = QPainter(raw);
auto hq = PainterHighQualityEnabler(p);
const auto padding = st::giftBoxTabPadding;
const auto shift = -scroll();
for (const auto &button : state->buttons) {
const auto geometry = button.geometry;
const auto geometry = button.geometry.translated(shift);
if (button.active) {
p.setBrush(st::giftBoxTabBgActive);
p.setPen(Qt::NoPen);