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hyprland-plugins/hyprbars/barDeco.cpp

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#include "barDeco.hpp"
#include <hyprland/src/Compositor.hpp>
#include <hyprland/src/Window.hpp>
#include <pango/pangocairo.h>
#include "globals.hpp"
constexpr int BAR_PADDING = 10;
constexpr int BUTTONS_PAD = 5;
CHyprBar::CHyprBar(CWindow* pWindow) : IHyprWindowDecoration(pWindow) {
m_pWindow = pWindow;
m_vLastWindowPos = pWindow->m_vRealPosition.vec();
m_vLastWindowSize = pWindow->m_vRealSize.vec();
const auto PMONITOR = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
PMONITOR->scheduledRecalc = true;
m_pMouseButtonCallback =
HyprlandAPI::registerCallbackDynamic(PHANDLE, "mouseButton", [&](void* self, std::any param) { onMouseDown(std::any_cast<wlr_pointer_button_event*>(param)); });
m_pMouseMoveCallback = HyprlandAPI::registerCallbackDynamic(PHANDLE, "mouseMove", [&](void* self, std::any param) { onMouseMove(std::any_cast<Vector2D>(param)); });
}
CHyprBar::~CHyprBar() {
damageEntire();
HyprlandAPI::unregisterCallback(PHANDLE, m_pMouseButtonCallback);
HyprlandAPI::unregisterCallback(PHANDLE, m_pMouseMoveCallback);
}
bool CHyprBar::allowsInput() {
return true;
}
SWindowDecorationExtents CHyprBar::getWindowDecorationExtents() {
return m_seExtents;
}
void CHyprBar::onMouseDown(wlr_pointer_button_event* e) {
if (m_pWindow != g_pCompositor->m_pLastWindow)
return;
const auto COORDS = cursorRelativeToBar();
static auto* const PHEIGHT = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_height")->intValue;
static auto* const PBORDERSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "general:border_size")->intValue;
if (!VECINRECT(COORDS, 0, 0, m_vLastWindowSize.x + *PBORDERSIZE * 2, *PHEIGHT + *PBORDERSIZE)) {
if (m_bDraggingThis) {
g_pKeybindManager->m_mDispatchers["mouse"]("0movewindow");
Debug::log(LOG, "[hyprbars] Dragging ended on {:x}", (uintptr_t)m_pWindow);
}
m_bDraggingThis = false;
m_bDragPending = false;
return;
}
if (e->state != WLR_BUTTON_PRESSED) {
if (m_bDraggingThis) {
g_pKeybindManager->m_mDispatchers["mouse"]("0movewindow");
m_bDraggingThis = false;
Debug::log(LOG, "[hyprbars] Dragging ended on {:x}", (uintptr_t)m_pWindow);
}
return;
}
// check if on a button
static auto* const PBUTTONSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:buttons:button_size")->intValue;
const auto BARBUF = Vector2D{(int)m_vLastWindowSize.x + 2 * *PBORDERSIZE, *PHEIGHT + *PBORDERSIZE};
Vector2D currentPos = Vector2D{BARBUF.x - 2 * BUTTONS_PAD - *PBUTTONSIZE, (BARBUF.y - *PBUTTONSIZE) / 2.0}.floor();
currentPos.x -= BUTTONS_PAD / 2.0;
if (VECINRECT(COORDS, currentPos.x, currentPos.y, currentPos.x + *PBUTTONSIZE + BUTTONS_PAD, currentPos.y + *PBUTTONSIZE)) {
// hit on close
g_pCompositor->closeWindow(m_pWindow);
return;
}
currentPos.x -= BUTTONS_PAD + *PBUTTONSIZE;
if (VECINRECT(COORDS, currentPos.x, currentPos.y, currentPos.x + *PBUTTONSIZE + BUTTONS_PAD, currentPos.y + *PBUTTONSIZE)) {
// hit on maximize
g_pKeybindManager->m_mDispatchers["fullscreen"]("1");
return;
}
m_bDragPending = true;
}
void CHyprBar::onMouseMove(Vector2D coords) {
if (m_bDragPending) {
m_bDragPending = false;
g_pKeybindManager->m_mDispatchers["mouse"]("1movewindow");
m_bDraggingThis = true;
Debug::log(LOG, "[hyprbars] Dragging initiated on {:x}", (uintptr_t)m_pWindow);
return;
}
}
void CHyprBar::renderBarTitle(const Vector2D& bufferSize, const float scale) {
static auto* const PCOLOR = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:col.text")->intValue;
static auto* const PSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_text_size")->intValue;
static auto* const PFONT = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_text_font")->strValue;
static auto* const PBUTTONSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:buttons:button_size")->intValue;
static auto* const PBORDERSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "general:border_size")->intValue;
const auto scaledSize = *PSIZE * scale;
const auto scaledButtonSize = *PBUTTONSIZE * scale;
const auto scaledBorderSize = *PBORDERSIZE * scale;
const auto scaledButtonsPad = BUTTONS_PAD * scale;
const auto scaledBarPadding = BAR_PADDING * scale;
const CColor COLOR = *PCOLOR;
const auto CAIROSURFACE = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, bufferSize.x, bufferSize.y);
const auto CAIRO = cairo_create(CAIROSURFACE);
// clear the pixmap
cairo_save(CAIRO);
cairo_set_operator(CAIRO, CAIRO_OPERATOR_CLEAR);
cairo_paint(CAIRO);
cairo_restore(CAIRO);
// draw title using Pango
PangoLayout* layout = pango_cairo_create_layout(CAIRO);
pango_layout_set_text(layout, m_szLastTitle.c_str(), -1);
PangoFontDescription* fontDesc = pango_font_description_from_string(PFONT->c_str());
pango_font_description_set_size(fontDesc, scaledSize * PANGO_SCALE);
pango_layout_set_font_description(layout, fontDesc);
pango_font_description_free(fontDesc);
const int leftPadding = scaledBorderSize + scaledBarPadding;
const int rightPadding = (scaledButtonSize * 2) + (scaledButtonsPad * 3) + scaledBorderSize + scaledBarPadding;
const int maxWidth = bufferSize.x - leftPadding - rightPadding;
pango_layout_set_width(layout, maxWidth * PANGO_SCALE);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
cairo_set_source_rgba(CAIRO, COLOR.r, COLOR.g, COLOR.b, COLOR.a);
int layoutWidth, layoutHeight;
pango_layout_get_size(layout, &layoutWidth, &layoutHeight);
const int xOffset = std::round(((bufferSize.x - scaledBorderSize) / 2.0 - layoutWidth / PANGO_SCALE / 2.0));
const int yOffset = std::round((bufferSize.y / 2.0 - layoutHeight / PANGO_SCALE / 2.0));
cairo_move_to(CAIRO, xOffset, yOffset);
pango_cairo_show_layout(CAIRO, layout);
g_object_unref(layout);
cairo_surface_flush(CAIROSURFACE);
// copy the data to an OpenGL texture we have
const auto DATA = cairo_image_surface_get_data(CAIROSURFACE);
m_tTextTex.allocate();
glBindTexture(GL_TEXTURE_2D, m_tTextTex.m_iTexID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
#ifndef GLES2
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
#endif
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bufferSize.x, bufferSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
// delete cairo
cairo_destroy(CAIRO);
cairo_surface_destroy(CAIROSURFACE);
}
void CHyprBar::renderBarButtons(const Vector2D& bufferSize, const float scale) {
static auto* const PCLOSECOLOR = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:buttons:col.close")->intValue;
static auto* const PMAXCOLOR = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:buttons:col.maximize")->intValue;
static auto* const PBUTTONSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:buttons:button_size")->intValue;
const auto scaledButtonSize = *PBUTTONSIZE * scale;
const auto scaledButtonsPad = BUTTONS_PAD * scale;
const auto CAIROSURFACE = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, bufferSize.x, bufferSize.y);
const auto CAIRO = cairo_create(CAIROSURFACE);
// clear the pixmap
cairo_save(CAIRO);
cairo_set_operator(CAIRO, CAIRO_OPERATOR_CLEAR);
cairo_paint(CAIRO);
cairo_restore(CAIRO);
// draw buttons for close and max
auto drawButton = [&](Vector2D pos, CColor col) -> void {
const int X = pos.x;
const int Y = pos.y;
const int RADIUS = static_cast<int>(std::ceil(scaledButtonSize / 2.0));
cairo_set_source_rgba(CAIRO, col.r, col.g, col.b, col.a);
cairo_arc(CAIRO, X, Y + RADIUS, RADIUS, 0, 2 * M_PI);
cairo_fill(CAIRO);
};
Vector2D currentPos = Vector2D{bufferSize.x - scaledButtonsPad - scaledButtonSize, (bufferSize.y - scaledButtonSize) / 2.0}.floor();
drawButton(currentPos, CColor(*PCLOSECOLOR));
currentPos.x -= scaledButtonsPad + scaledButtonSize;
drawButton(currentPos, CColor(*PMAXCOLOR));
// copy the data to an OpenGL texture we have
const auto DATA = cairo_image_surface_get_data(CAIROSURFACE);
m_tButtonsTex.allocate();
glBindTexture(GL_TEXTURE_2D, m_tButtonsTex.m_iTexID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
#ifndef GLES2
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
#endif
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bufferSize.x, bufferSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
// delete cairo
cairo_destroy(CAIRO);
cairo_surface_destroy(CAIROSURFACE);
}
void CHyprBar::draw(CMonitor* pMonitor, float a, const Vector2D& offset) {
if (!g_pCompositor->windowValidMapped(m_pWindow))
return;
if (!m_pWindow->m_sSpecialRenderData.decorate)
return;
static auto* const PROUNDING = &HyprlandAPI::getConfigValue(PHANDLE, "decoration:rounding")->intValue;
static auto* const PBORDERSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "general:border_size")->intValue;
static auto* const PCOLOR = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_color")->intValue;
static auto* const PHEIGHT = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_height")->intValue;
const auto scaledRounding = *PROUNDING * pMonitor->scale;
const auto scaledBorderSize = *PBORDERSIZE * pMonitor->scale;
CColor color = *PCOLOR;
color.a *= a;
const auto ROUNDING = !m_pWindow->m_sSpecialRenderData.rounding ?
0 :
(m_pWindow->m_sAdditionalConfigData.rounding.toUnderlying() == -1 ? *PROUNDING : m_pWindow->m_sAdditionalConfigData.rounding.toUnderlying());
m_seExtents = {{0, *PHEIGHT + 1}, {}};
const auto BARBUF = Vector2D{(int)m_vLastWindowSize.x + 2 * *PBORDERSIZE, *PHEIGHT} * pMonitor->scale;
wlr_box titleBarBox = {(int)m_vLastWindowPos.x - *PBORDERSIZE - pMonitor->vecPosition.x, (int)m_vLastWindowPos.y - *PBORDERSIZE - *PHEIGHT - pMonitor->vecPosition.y,
(int)m_vLastWindowSize.x + 2 * *PBORDERSIZE, *PHEIGHT + *PROUNDING * 3 /* to fill the bottom cuz we can't disable rounding there */};
titleBarBox.x += offset.x;
titleBarBox.y += offset.y;
scaleBox(&titleBarBox, pMonitor->scale);
g_pHyprOpenGL->scissor(&titleBarBox);
if (*PROUNDING) {
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_ALWAYS, 1, -1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
wlr_box windowBox = {(int)m_vLastWindowPos.x + offset.x - pMonitor->vecPosition.x, (int)m_vLastWindowPos.y + offset.y - pMonitor->vecPosition.y, (int)m_vLastWindowSize.x,
(int)m_vLastWindowSize.y};
scaleBox(&windowBox, pMonitor->scale);
g_pHyprOpenGL->renderRect(&windowBox, CColor(0, 0, 0, 0), scaledRounding + scaledBorderSize);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glStencilFunc(GL_NOTEQUAL, 1, -1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
}
g_pHyprOpenGL->renderRect(&titleBarBox, color, scaledRounding);
// render title
if (m_szLastTitle != m_pWindow->m_szTitle || m_bWindowSizeChanged || m_tTextTex.m_iTexID == 0) {
m_szLastTitle = m_pWindow->m_szTitle;
renderBarTitle(BARBUF, pMonitor->scale);
}
if (*PROUNDING) {
// cleanup stencil
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glDisable(GL_STENCIL_TEST);
glStencilMask(-1);
glStencilFunc(GL_ALWAYS, 1, 0xFF);
}
wlr_box textBox = {titleBarBox.x, titleBarBox.y, (int)BARBUF.x, (int)BARBUF.y};
g_pHyprOpenGL->renderTexture(m_tTextTex, &textBox, a);
renderBarButtons(BARBUF, pMonitor->scale);
g_pHyprOpenGL->renderTexture(m_tButtonsTex, &textBox, a);
g_pHyprOpenGL->scissor((wlr_box*)nullptr);
m_bWindowSizeChanged = false;
}
eDecorationType CHyprBar::getDecorationType() {
return DECORATION_CUSTOM;
}
void CHyprBar::updateWindow(CWindow* pWindow) {
const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(pWindow->m_iWorkspaceID);
const auto WORKSPACEOFFSET = PWORKSPACE && !pWindow->m_bPinned ? PWORKSPACE->m_vRenderOffset.vec() : Vector2D();
if (m_vLastWindowSize != pWindow->m_vRealSize.vec())
m_bWindowSizeChanged = true;
m_vLastWindowPos = pWindow->m_vRealPosition.vec() + WORKSPACEOFFSET;
m_vLastWindowSize = pWindow->m_vRealSize.vec();
damageEntire();
}
void CHyprBar::damageEntire() {
wlr_box dm = {(int)(m_vLastWindowPos.x - m_seExtents.topLeft.x - 2), (int)(m_vLastWindowPos.y - m_seExtents.topLeft.y - 2),
(int)(m_vLastWindowSize.x + m_seExtents.topLeft.x + m_seExtents.bottomRight.x + 4), (int)m_seExtents.topLeft.y + 4};
g_pHyprRenderer->damageBox(&dm);
}
SWindowDecorationExtents CHyprBar::getWindowDecorationReservedArea() {
static auto* const PHEIGHT = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_height")->intValue;
return SWindowDecorationExtents{{0, *PHEIGHT}, {}};
}
Vector2D CHyprBar::cursorRelativeToBar() {
static auto* const PHEIGHT = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hyprbars:bar_height")->intValue;
static auto* const PBORDER = &HyprlandAPI::getConfigValue(PHANDLE, "general:border_size")->intValue;
return g_pInputManager->getMouseCoordsInternal() - m_pWindow->m_vRealPosition.vec() + Vector2D{*PBORDER, *PHEIGHT + *PBORDER};
}
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