mirror of https://github.com/hyprwm/Hyprland
118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
#include "HyprError.hpp"
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#include "../Compositor.hpp"
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void CHyprError::queueCreate(std::string message, const CColor& color) {
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m_szQueued = message;
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m_cQueued = color;
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}
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void CHyprError::createQueued() {
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if (m_bIsCreated) {
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m_bQueuedDestroy = false;
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m_tTexture.destroyTexture();
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}
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const auto PMONITOR = g_pCompositor->m_vMonitors.front().get();
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const auto FONTSIZE = std::clamp((int)(10.f * (PMONITOR->vecPixelSize.x / 1920.f)), 8, 40);
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const auto CAIROSURFACE = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y);
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const auto CAIRO = cairo_create(CAIROSURFACE);
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// clear the pixmap
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cairo_save(CAIRO);
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cairo_set_operator(CAIRO, CAIRO_OPERATOR_CLEAR);
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cairo_paint(CAIRO);
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cairo_restore(CAIRO);
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const auto LINECOUNT = 1 + std::count(m_szQueued.begin(), m_szQueued.end(), '\n');
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cairo_set_source_rgba(CAIRO, m_cQueued.r / 255.f, m_cQueued.g / 255.f, m_cQueued.b / 255.f, m_cQueued.a / 255.f);
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cairo_rectangle(CAIRO, 0, 0, PMONITOR->vecPixelSize.x, (FONTSIZE + 2 * (FONTSIZE / 10.f)) * LINECOUNT);
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// outline
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cairo_rectangle(CAIRO, 0, 0, 1, PMONITOR->vecPixelSize.y); // left
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cairo_rectangle(CAIRO, PMONITOR->vecPixelSize.x - 1, 0, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y); // right
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cairo_rectangle(CAIRO, 0, PMONITOR->vecPixelSize.y - 1, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y); // bottom
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cairo_fill(CAIRO);
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// draw the text with a common font
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const CColor textColor = m_cQueued.r * m_cQueued.g * m_cQueued.b < 0.5f ? CColor(255, 255, 255, 255) : CColor(0, 0, 0, 255);
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cairo_select_font_face(CAIRO, "Noto Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
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cairo_set_font_size(CAIRO, FONTSIZE);
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cairo_set_source_rgba(CAIRO, textColor.r / 255.f, textColor.g / 255.f, textColor.b / 255.f, textColor.a / 255.f);
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float yoffset = FONTSIZE;
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while(m_szQueued != "") {
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std::string current = m_szQueued.substr(0, m_szQueued.find('\n'));
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if (const auto NEWLPOS = m_szQueued.find('\n'); NEWLPOS != std::string::npos)
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m_szQueued = m_szQueued.substr(NEWLPOS + 1);
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else
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m_szQueued = "";
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cairo_move_to(CAIRO, 0, yoffset);
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cairo_show_text(CAIRO, current.c_str());
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yoffset += FONTSIZE + (FONTSIZE / 10.f);
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}
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cairo_surface_flush(CAIROSURFACE);
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// copy the data to an OpenGL texture we have
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const auto DATA = cairo_image_surface_get_data(CAIROSURFACE);
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m_tTexture.allocate();
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glBindTexture(GL_TEXTURE_2D, m_tTexture.m_iTexID);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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#ifndef GLES2
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
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#endif
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
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// delete cairo
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cairo_destroy(CAIRO);
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cairo_surface_destroy(CAIROSURFACE);
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m_bIsCreated = true;
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m_szQueued = "";
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m_cQueued = CColor();
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g_pHyprRenderer->damageMonitor(PMONITOR);
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}
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void CHyprError::draw() {
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if (!m_bIsCreated || m_szQueued != "") {
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if (m_szQueued != "")
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createQueued();
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return;
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}
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if (m_bQueuedDestroy) {
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m_bQueuedDestroy = false;
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m_tTexture.destroyTexture();
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m_bIsCreated = false;
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m_szQueued = "";
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g_pHyprRenderer->damageMonitor(g_pCompositor->m_vMonitors.front().get());
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return;
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}
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const auto PMONITOR = g_pCompositor->m_vMonitors.front().get();
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if (g_pHyprOpenGL->m_RenderData.pMonitor != PMONITOR)
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return; // wrong mon
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wlr_box windowBox = {0, 0, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y};
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g_pHyprOpenGL->renderTexture(m_tTexture, &windowBox, 255.f, 0);
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}
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void CHyprError::destroy() {
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if (m_bIsCreated)
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m_bQueuedDestroy = true;
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}
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