/**
*
* rct2: 0x006B7220
*/
static void window_new_ride_scroll_to_focused_ride(rct_window *w)
{
int scrollWidth = 0;
int scrollHeight = 0;
window_get_scroll_size(w, 0, &scrollWidth, &scrollHeight);
// Find row index of the focused ride type
rct_widget *listWidget = &window_new_ride_widgets[WIDX_RIDE_LIST];
int focusRideType = _windowNewRideHighlightedItem[_windowNewRideCurrentTab].ride_type_and_entry;
int count = 0, row = 0;
ride_list_item *listItem = _windowNewRideListItems;
while (listItem->type != 255 || listItem->entry_index != 255) {
if (listItem->type == focusRideType) {
row = count / 5;
break;
}
count++;
listItem++;
};
// Update the Y scroll position
int listWidgetHeight = listWidget->bottom - listWidget->top - 1;
scrollHeight = max(0, scrollHeight - listWidgetHeight);
w->scrolls[0].v_top = min(row * 116, scrollHeight);
widget_scroll_update_thumbs(w, WIDX_RIDE_LIST);
}
/**
*
* rct2: 0x0066E464
*/
void window_news_open()
{
rct_window* window;
// Check if window is already open
window = window_bring_to_front_by_id(WC_RECENT_NEWS, 0);
if (window == NULL) {
window = window_create_auto_pos(
400,
300,
(uint32*)window_news_events,
WC_RECENT_NEWS,
0
);
window->widgets = window_news_widgets;
window->enabled_widgets = (1 << WIDX_CLOSE);
window_init_scroll_widgets(window);
window->colours[0] = 1;
window->colours[1] = 1;
window->colours[2] = 0;
window->var_480 = -1;
}
// sub_66E4BA:
int width, height;
rct_widget *widget;
window_get_scroll_size(window, 0, &width, &height);
widget = &window_news_widgets[WIDX_SCROLL];
window->scrolls[0].v_top = max(0, height - (widget->bottom - widget->top - 1));
widget_scroll_update_thumbs(window, WIDX_SCROLL);
}
/**
*
* rct2: 0x0066E464
*/
rct_window * window_news_open()
{
rct_window* window;
// Check if window is already open
window = window_bring_to_front_by_class(WC_RECENT_NEWS);
if (window == nullptr) {
window = window_create_auto_pos(
400,
300,
&window_news_events,
WC_RECENT_NEWS,
0
);
window->widgets = window_news_widgets;
window->enabled_widgets = (1 << WIDX_CLOSE) | (1 << WIDX_SETTINGS);
window_init_scroll_widgets(window);
window->news.var_480 = -1;
}
// sub_66E4BA:
rct_widget *widget;
sint32 width = 0;
sint32 height = 0;
window_get_scroll_size(window, 0, &width, &height);
widget = &window_news_widgets[WIDX_SCROLL];
window->scrolls[0].v_top = Math::Max(0, height - (widget->bottom - widget->top - 1));
widget_scroll_update_thumbs(window, WIDX_SCROLL);
return window;
}
/**
*
* rct2: 0x006E99A9
*/
static void input_scroll_part_update_vthumb(rct_window *w, rct_widgetindex widgetIndex, sint32 y, sint32 scroll_id)
{
assert(w != NULL);
rct_widget *widget = &w->widgets[widgetIndex];
if (window_find_by_number(w->classification, w->number)) {
sint32 newTop;
newTop = w->scrolls[scroll_id].v_bottom;
newTop *= y;
y = widget->bottom - widget->top - 21;
if (w->scrolls[scroll_id].flags & HSCROLLBAR_VISIBLE)
y -= 11;
newTop /= y;
y = newTop;
w->scrolls[scroll_id].flags |= VSCROLLBAR_THUMB_PRESSED;
newTop = w->scrolls[scroll_id].v_top;
newTop += y;
if (newTop < 0)
newTop = 0;
y = widget->bottom - widget->top - 1;
if (w->scrolls[scroll_id].flags & HSCROLLBAR_VISIBLE)
y -= 11;
y *= -1;
y += w->scrolls[scroll_id].v_bottom;
if (y < 0)
y = 0;
if (newTop > y)
newTop = y;
w->scrolls[scroll_id].v_top = newTop;
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate_by_number(w->classification, w->number, widgetIndex);
}
}
/**
*
* rct2: 0x006E98F2
*/
static void input_scroll_part_update_hthumb(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 scroll_id)
{
rct_widget *widget = &w->widgets[widgetIndex];
if (window_find_by_number(w->classification, w->number)) {
sint32 newLeft;
newLeft = w->scrolls[scroll_id].h_right;
newLeft *= x;
x = widget->right - widget->left - 21;
if (w->scrolls[scroll_id].flags & VSCROLLBAR_VISIBLE)
x -= 11;
newLeft /= x;
x = newLeft;
w->scrolls[scroll_id].flags |= HSCROLLBAR_THUMB_PRESSED;
newLeft = w->scrolls[scroll_id].h_left;
newLeft += x;
if (newLeft < 0)
newLeft = 0;
x = widget->right - widget->left - 1;
if (w->scrolls[scroll_id].flags & VSCROLLBAR_VISIBLE)
x -= 11;
x *= -1;
x += w->scrolls[scroll_id].h_right;
if (x < 0)
x = 0;
if (newLeft > x)
newLeft = x;
w->scrolls[scroll_id].h_left = newLeft;
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate_by_number(w->classification, w->number, widgetIndex);
}
}
/**
*
* rct2: 0x006E78E3
*/
static void window_scroll_wheel_input(rct_window *w, int scrollIndex, int wheel)
{
int widgetIndex, size;
rct_scroll *scroll;
rct_widget *widget;
scroll = &w->scrolls[scrollIndex];
widget = window_get_scroll_widget(w, scrollIndex);
widgetIndex = window_get_widget_index(w, widget);
if (scroll->flags & VSCROLLBAR_VISIBLE) {
size = widget->bottom - widget->top - 1;
if (scroll->flags & HSCROLLBAR_VISIBLE)
size -= 11;
size = max(0, scroll->v_bottom - size);
scroll->v_top = min(max(0, scroll->v_top + wheel), size);
} else {
size = widget->right - widget->left - 1;
if (scroll->flags & VSCROLLBAR_VISIBLE)
size -= 11;
size = max(0, scroll->h_right - size);
scroll->h_left = min(max(0, scroll->h_left + wheel), size);
}
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate(w->classification, w->number, widgetIndex);
}
/**
* Based on (heavily changed)
* rct2: 0x006E9E0E, 0x006E9ED0
*/
static void input_scroll_drag_continue(int x, int y, rct_window* w)
{
rct_widgetindex widgetIndex = _dragWidget.widget_index;
uint8 scrollIndex = _dragScrollIndex;
rct_widget* widget = &w->widgets[widgetIndex];
rct_scroll* scroll = &w->scrolls[scrollIndex];
int dx, dy;
dx = x - gInputDragLastX;
dy = y - gInputDragLastY;
if (scroll->flags & HSCROLLBAR_VISIBLE) {
sint16 size = widget->right - widget->left - 1;
if (scroll->flags & VSCROLLBAR_VISIBLE)
size -= 11;
size = max(0, scroll->h_right - size);
scroll->h_left = min(max(0, scroll->h_left + dx), size);
}
if (scroll->flags & VSCROLLBAR_VISIBLE) {
sint16 size = widget->bottom - widget->top - 1;
if (scroll->flags & HSCROLLBAR_VISIBLE)
size -= 11;
size = max(0, scroll->v_bottom - size);
scroll->v_top = min(max(0, scroll->v_top + dy), size);
}
widget_scroll_update_thumbs(w, widgetIndex);
window_invalidate_by_number(w->classification, w->number);
platform_set_cursor_position(gInputDragLastX, gInputDragLastY);
}
/**
*
* rct2: 0x006E9C37
*/
static void input_scroll_part_update_vtop(rct_window *w, rct_widgetindex widgetIndex, sint32 scroll_id)
{
assert(w != NULL);
if (window_find_by_number(w->classification, w->number)) {
w->scrolls[scroll_id].flags |= VSCROLLBAR_UP_PRESSED;
if (w->scrolls[scroll_id].v_top >= 3)
w->scrolls[scroll_id].v_top -= 3;
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate_by_number(w->classification, w->number, widgetIndex);
}
}
/**
*
* rct2: 0x006E9A60
*/
static void input_scroll_part_update_hleft(rct_window *w, int widgetIndex, int scroll_id)
{
assert(w != NULL);
if (window_find_by_number(w->classification, w->number)) {
w->scrolls[scroll_id].flags |= HSCROLLBAR_LEFT_PRESSED;
if (w->scrolls[scroll_id].h_left >= 3)
w->scrolls[scroll_id].h_left -= 3;
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate_by_number(w->classification, w->number, widgetIndex);
}
}
/**
*
* rct2: 0x006E9C96
*/
static void input_scroll_part_update_vbottom(rct_window *w, rct_widgetindex widgetIndex, sint32 scroll_id)
{
assert(w != NULL);
rct_widget *widget = &w->widgets[widgetIndex];
if (window_find_by_number(w->classification, w->number)) {
w->scrolls[scroll_id].flags |= VSCROLLBAR_DOWN_PRESSED;
w->scrolls[scroll_id].v_top += 3;
sint32 newTop = widget->bottom - widget->top - 1;
if (w->scrolls[scroll_id].flags & HSCROLLBAR_VISIBLE)
newTop -= 11;
newTop *= -1;
newTop += w->scrolls[scroll_id].v_bottom;
if (newTop < 0)
newTop = 0;
if (w->scrolls[scroll_id].v_top > newTop)
w->scrolls[scroll_id].v_top = newTop;
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate_by_number(w->classification, w->number, widgetIndex);
}
}
/**
*
* rct2: 0x006E9ABF
*/
static void input_scroll_part_update_hright(rct_window *w, rct_widgetindex widgetIndex, sint32 scroll_id)
{
assert(w != NULL);
rct_widget *widget = &w->widgets[widgetIndex];
if (window_find_by_number(w->classification, w->number)) {
w->scrolls[scroll_id].flags |= HSCROLLBAR_RIGHT_PRESSED;
w->scrolls[scroll_id].h_left += 3;
sint32 newLeft = widget->right - widget->left - 1;
if (w->scrolls[scroll_id].flags & VSCROLLBAR_VISIBLE)
newLeft -= 11;
newLeft *= -1;
newLeft += w->scrolls[scroll_id].h_right;
if (newLeft < 0)
newLeft = 0;
if (w->scrolls[scroll_id].h_left > newLeft)
w->scrolls[scroll_id].h_left = newLeft;
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate_by_number(w->classification, w->number, widgetIndex);
}
}
static void input_scroll_begin(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 y)
{
rct_widget *widget;
widget = &w->widgets[widgetIndex];
_inputState = INPUT_STATE_SCROLL_LEFT;
gPressedWidget.window_classification = w->classification;
gPressedWidget.window_number = w->number;
gPressedWidget.widget_index = widgetIndex;
gTooltipCursorX = x;
gTooltipCursorY = y;
sint32 eax, ebx, scroll_area, scroll_id;
scroll_id = 0; // safety
widget_scroll_get_part(w, widget, x, y, &eax, &ebx, &scroll_area, &scroll_id);
_currentScrollArea = scroll_area;
_currentScrollIndex = scroll_id;
window_event_unknown_15_call(w, scroll_id, scroll_area);
if (scroll_area == SCROLL_PART_VIEW){
window_event_scroll_mousedown_call(w, scroll_id, eax, ebx);
return;
}
rct_widget* widg = &w->widgets[widgetIndex];
rct_scroll* scroll = &w->scrolls[scroll_id];
sint32 widget_width = widg->right - widg->left - 1;
if (scroll->flags & VSCROLLBAR_VISIBLE)
widget_width -= 11;
sint32 widget_content_width = max(scroll->h_right - widget_width, 0);
sint32 widget_height = widg->bottom - widg->top - 1;
if (scroll->flags & HSCROLLBAR_VISIBLE)
widget_height -= 11;
sint32 widget_content_height = max(scroll->v_bottom - widget_height, 0);
switch (scroll_area) {
case SCROLL_PART_HSCROLLBAR_LEFT:
scroll->h_left = max(scroll->h_left - 3, 0);
break;
case SCROLL_PART_HSCROLLBAR_RIGHT:
scroll->h_left = min(scroll->h_left + 3, widget_content_width);
break;
case SCROLL_PART_HSCROLLBAR_LEFT_TROUGH:
scroll->h_left = max(scroll->h_left - widget_width, 0);
break;
case SCROLL_PART_HSCROLLBAR_RIGHT_TROUGH:
scroll->h_left = min(scroll->h_left + widget_width, widget_content_width);
break;
case SCROLL_PART_VSCROLLBAR_TOP:
scroll->v_top = max(scroll->v_top - 3, 0);
break;
case SCROLL_PART_VSCROLLBAR_BOTTOM:
scroll->v_top = min(scroll->v_top + 3, widget_content_height);
break;
case SCROLL_PART_VSCROLLBAR_TOP_TROUGH:
scroll->v_top = max(scroll->v_top - widget_height, 0);
break;
case SCROLL_PART_VSCROLLBAR_BOTTOM_TROUGH:
scroll->v_top = min(scroll->v_top + widget_height, widget_content_height);
break;
default:
break;
}
widget_scroll_update_thumbs(w, widgetIndex);
window_invalidate_by_number(widgetIndex, w->classification);
}
