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Move create window code to libopenrct2ui

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Ted John
2018-06-02 11:20:31 +01:00
parent e38f4df575
commit e6e61c3a2f
2 changed files with 267 additions and 301 deletions
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267
src/openrct2-ui/interface/Window.cpp Normal file
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#include <openrct2/audio/audio.h>
#include <openrct2/config/Config.h>
#include <openrct2/Context.h>
#include <openrct2/interface/themes.h>
#include <openrct2/OpenRCT2.h>
#include <openrct2/world/Sprite.h>
#include <openrct2/ui/UiContext.h>
#include "Window.h"
#define RCT2_NEW_WINDOW (gWindowNextSlot)
#define RCT2_LAST_WINDOW (gWindowNextSlot - 1)
using namespace OpenRCT2;
static bool window_fits_between_others(sint32 x, sint32 y, sint32 width, sint32 height)
{
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (w->flags & WF_STICK_TO_BACK)
continue;
if (x + width <= w->x) continue;
if (x >= w->x + w->width) continue;
if (y + height <= w->y) continue;
if (y >= w->y + w->height) continue;
return false;
}
return true;
}
static bool window_fits_within_space(sint32 x, sint32 y, sint32 width, sint32 height)
{
if (x < 0) return false;
if (y <= TOP_TOOLBAR_HEIGHT && !(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)) return false;
if (x + width > context_get_width()) return false;
if (y + height > context_get_height()) return false;
return window_fits_between_others(x, y, width, height);
}
static bool window_fits_on_screen(sint32 x, sint32 y, sint32 width, sint32 height)
{
uint16 screenWidth = context_get_width();
uint16 screenHeight = context_get_height();
sint32 unk;
unk = -(width / 4);
if (x < unk) return false;
unk = screenWidth + (unk * 2);
if (x > unk) return false;
if (y <= TOP_TOOLBAR_HEIGHT && !(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)) return false;
unk = screenHeight - (height / 4);
if (y > unk) return false;
return window_fits_between_others(x, y, width, height);
}
rct_window *window_create(sint32 x, sint32 y, sint32 width, sint32 height, rct_window_event_list *event_handlers, rct_windowclass cls, uint16 flags)
{
// Check if there are any window slots left
// include WINDOW_LIMIT_RESERVED for items such as the main viewport and toolbars to not appear to be counted.
if (RCT2_NEW_WINDOW >= &(g_window_list[gConfigGeneral.window_limit + WINDOW_LIMIT_RESERVED])) {
rct_window *w = nullptr;
// Close least recently used window
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT | WF_NO_AUTO_CLOSE)))
break;
window_close(w);
}
rct_window *w = RCT2_NEW_WINDOW;
// Flags
if (flags & WF_STICK_TO_BACK) {
for (; w >= g_window_list + 1; w--) {
if ((w - 1)->flags & WF_STICK_TO_FRONT)
continue;
if ((w - 1)->flags & WF_STICK_TO_BACK)
break;
}
}
else if (!(flags & WF_STICK_TO_FRONT)) {
for (; w >= g_window_list + 1; w--) {
if (!((w - 1)->flags & WF_STICK_TO_FRONT))
break;
}
}
// Move w to new window slot
if (w != RCT2_NEW_WINDOW)
*RCT2_NEW_WINDOW = *w;
// Setup window
w->classification = cls;
w->var_4B8 = -1;
w->var_4B9 = -1;
w->flags = flags;
// Play sounds and flash the window
if (!(flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))) {
w->flags |= WF_WHITE_BORDER_MASK;
audio_play_sound(SOUND_WINDOW_OPEN, 0, x + (width / 2));
}
w->number = 0;
w->x = x;
w->y = y;
w->width = width;
w->height = height;
w->viewport = nullptr;
w->event_handlers = event_handlers;
w->enabled_widgets = 0;
w->disabled_widgets = 0;
w->pressed_widgets = 0;
w->hold_down_widgets = 0;
w->viewport_focus_coordinates.var_480 = 0;
w->viewport_focus_coordinates.x = 0;
w->viewport_focus_coordinates.y = 0;
w->viewport_focus_coordinates.z = 0;
w->viewport_focus_coordinates.rotation = 0;
w->page = 0;
w->var_48C = 0;
w->frame_no = 0;
w->list_information_type = 0;
w->var_492 = 0;
w->selected_tab = 0;
w->var_4AE = 0;
w->viewport_smart_follow_sprite = SPRITE_INDEX_NULL;
RCT2_NEW_WINDOW++;
colour_scheme_update(w);
window_invalidate(w);
return w;
}
rct_window *window_create_auto_pos(sint32 width, sint32 height, rct_window_event_list *event_handlers, rct_windowclass cls, uint16 flags)
{
auto uiContext = GetContext()->GetUiContext();
auto screenWidth = uiContext->GetWidth();
auto screenHeight = uiContext->GetHeight();
// TODO dead code, looks like it is cascading the new window offset from an existing window
// we will have to re-implement this in our own way.
//
// if (cls & 0x80) {
// cls &= ~0x80;
// rct_window *w = window_find_by_number(0, 0);
// if (w != nullptr) {
// if (w->x > -60 && w->x < screenWidth - 20) {
// if (w->y < screenHeight - 20) {
// sint32 x = w->x;
// if (w->x + width > screenWidth)
// x = screenWidth - 20 - width;
// sint32 y = w->y;
// return window_create(x + 10, y + 10, width, height, event_handlers, cls, flags);
// }
// }
// }
// }
// Place window in an empty corner of the screen
sint32 x = 0;
sint32 y = 30;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = screenWidth - width;
y = 30;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = 0;
y = screenHeight - 34 - height;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = screenWidth - width;
y = screenHeight - 34 - height;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
// Place window next to another
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (w->flags & WF_STICK_TO_BACK)
continue;
x = w->x + w->width + 2;
y = w->y;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y + w->height + 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y - w->height - 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x + w->width + 2;
y = w->y - w->height - 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y - w->height - 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x + w->width + 2;
y = w->y + w->height + 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y + w->height + 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
}
// Overlap
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (w->flags & WF_STICK_TO_BACK)
continue;
x = w->x + w->width + 2;
y = w->y;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y + w->height + 2;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y - w->height - 2;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
}
// Cascade
x = 0;
y = 30;
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (x != w->x || y != w->y)
continue;
x += 5;
y += 5;
}
// Clamp to inside the screen
foundSpace:
if (x < 0)
x = 0;
if (x + width > screenWidth)
x = screenWidth - width;
return window_create(x, y, width, height, event_handlers, cls, flags);
}
rct_window * window_create_centred(sint32 width, sint32 height, rct_window_event_list *event_handlers, rct_windowclass cls, uint16 flags)
{
auto uiContext = GetContext()->GetUiContext();
auto screenWidth = uiContext->GetWidth();
auto screenHeight = uiContext->GetHeight();
sint32 x = (screenWidth - width) / 2;
sint32 y = std::max(TOP_TOOLBAR_HEIGHT + 1, (screenHeight - height) / 2);
return window_create(x, y, width, height, event_handlers, cls, flags);
}