73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
#include "Window.h"
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#include <BAN/Debug.h>
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#include <LibGUI/Window.h>
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#include <sys/banan-os.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include <unistd.h>
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Window::Window(int fd, Rectangle area, long smo_key, BAN::StringView title, const LibFont::Font& font)
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: m_client_fd(fd)
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, m_client_area(area)
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, m_smo_key(smo_key)
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{
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MUST(m_title.append(title));
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prepare_title_bar(font);
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m_fb_addr = static_cast<uint32_t*>(smo_map(smo_key));
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ASSERT(m_fb_addr);
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memset(m_fb_addr, 0, client_width() * client_height() * 4);
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}
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Window::~Window()
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{
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munmap(m_fb_addr, client_width() * client_height() * 4);
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smo_delete(m_smo_key);
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LibGUI::EventPacket event;
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event.type = LibGUI::EventPacket::Type::DestroyWindow;
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send(m_client_fd, &event, sizeof(event), 0);
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close(m_client_fd);
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}
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void Window::prepare_title_bar(const LibFont::Font& font)
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{
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const size_t title_bar_bytes = title_bar_width() * title_bar_height() * 4;
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uint32_t* title_bar_data = new uint32_t[title_bar_bytes];
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ASSERT(title_bar_data);
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for (size_t i = 0; i < title_bar_bytes; i++)
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title_bar_data[i] = 0xFFFFFF;
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const auto text_area = title_text_area();
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for (size_t i = 0; i < m_title.size() && (i + 1) * font.width() < static_cast<uint32_t>(text_area.width); i++)
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{
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const auto* glyph = font.glyph(m_title[i]);
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if (glyph == nullptr)
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continue;
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const int32_t y_off = (font.height() < (uint32_t)title_bar_height()) ? (title_bar_height() - font.height()) / 2 : 0;
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const int32_t x_off = y_off + i * font.width();
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for (int32_t y = 0; (uint32_t)y < font.height(); y++)
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{
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if (y + y_off >= title_bar_height())
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break;
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for (int32_t x = 0; (uint32_t)x < font.width(); x++)
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{
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if (x + x_off >= text_area.width)
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break;
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const uint8_t bitmask = 1 << (font.width() - x - 1);
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if (glyph[y * font.pitch()] & bitmask)
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title_bar_data[(y_off + y) * title_bar_width() + (x_off + x)] = 0x000000;
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}
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}
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}
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if (m_title_bar_data)
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delete[] m_title_bar_data;
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m_title_bar_data = title_bar_data;
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}
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