added a buggy status bar forgive me

CMakeLists.txt

@@ -5,11 +5,14 @@ project(Hypr
 )
 
 add_compile_options(-std=c++17)
+find_package(Threads REQUIRED)
 
 file(GLOB_RECURSE SRCFILES "src/*.cpp")
 
 add_executable(Hypr ${SRCFILES})
 
+target_link_libraries(Hypr rt)
+
 set(CPACK_PROJECT_NAME ${PROJECT_NAME})
 set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
 include(CPack)
@@ -21,4 +24,5 @@ target_link_libraries(Hypr
         xcb-keysyms
         xcb-randr
         xcb-xinerama
+        ${CMAKE_THREAD_LIBS_INIT}
 )

README.md

@@ -11,7 +11,7 @@ Hypr is a Linux tiling window manager for Xorg. It's written in XCB with modern
 
 ## Roadmap (not in order)
 - [ ] Multi-monitor support
-- [ ] Status bar
+- [x] Status bar ~ UNFINISHED, someone help please
 - [ ] Floating windows support
 - [ ] Config system
 - [x] Workspaces

src/bar/Bar.cpp

@@ -0,0 +1,133 @@
+#include "Bar.hpp"
+
+#include <codecvt>
+#include <locale>
+
+#include "../windowManager.hpp"
+
+void CStatusBar::setup(Vector2D origin, Vector2D size) {
+    m_vecPosition = origin;
+    m_vecSize = size;
+
+    // Create a pixmap for writing to.
+    m_iPixmap = xcb_generate_id(g_pWindowManager->DisplayConnection);
+    xcb_create_pixmap(g_pWindowManager->DisplayConnection, g_pWindowManager->Depth, m_iPixmap, m_iWindowID, m_vecSize.x, m_vecSize.y);
+
+    // setup contexts.. ugh.
+    uint32_t values[4];
+
+    auto contextBG = &m_mContexts["BG"];
+    contextBG->GContext = xcb_generate_id(g_pWindowManager->DisplayConnection);
+
+    values[0] = 0x111111;
+    values[1] = 0x111111;
+    xcb_create_gc(g_pWindowManager->DisplayConnection, contextBG->GContext, m_iPixmap, XCB_GC_BACKGROUND | XCB_GC_FOREGROUND, values);
+
+    //
+    //
+
+    auto contextBASETEXT = &m_mContexts["BASETEXT"];
+
+    contextBASETEXT->GContext = xcb_generate_id(g_pWindowManager->DisplayConnection);
+    contextBASETEXT->Font = xcb_generate_id(g_pWindowManager->DisplayConnection);
+    xcb_open_font(g_pWindowManager->DisplayConnection, contextBASETEXT->Font, 5, "fixed");
+    values[0] = 0xFFFFFF;
+    values[1] = 0x111111;
+    values[2] = contextBASETEXT->Font;
+
+    xcb_create_gc(g_pWindowManager->DisplayConnection, contextBASETEXT->GContext, m_iPixmap, XCB_GC_BACKGROUND | XCB_GC_FOREGROUND | XCB_GC_FONT, values);
+
+    //
+    //
+
+    auto contextHITEXT = &m_mContexts["HITEXT"];
+    contextHITEXT->GContext = xcb_generate_id(g_pWindowManager->DisplayConnection);
+    contextHITEXT->Font = contextBASETEXT->Font;
+    values[0] = 0x000000;
+    values[1] = 0xFF3333;
+    values[2] = contextHITEXT->Font;
+
+    xcb_create_gc(g_pWindowManager->DisplayConnection, contextHITEXT->GContext, m_iPixmap, XCB_GC_BACKGROUND | XCB_GC_FOREGROUND | XCB_GC_FONT, values);
+
+    //
+    //
+
+    auto contextMEDBG = &m_mContexts["MEDBG"];
+    contextMEDBG->GContext = xcb_generate_id(g_pWindowManager->DisplayConnection);
+
+    values[0] = 0xFF3333;
+    values[1] = 0x111111;
+    xcb_create_gc(g_pWindowManager->DisplayConnection, contextMEDBG->GContext, m_iPixmap, XCB_GC_BACKGROUND | XCB_GC_FOREGROUND, values);
+
+    // don't, i use it later
+    //xcb_close_font(g_pWindowManager->DisplayConnection, contextBASETEXT->Font);
+}
+
+int getTextWidth(std::string text, xcb_font_t font) {
+
+    // conv from utf8 to UCS-2 (what the fuck Xorg why)
+    std::wstring_convert<std::codecvt_utf8<wchar_t>> strCnv;
+    std::wstring wideString = strCnv.from_bytes(text);
+
+    // create a xcb string
+    xcb_char2b_t bytes[wideString.length()];
+
+    for (int i = 0; i < wideString.length(); ++i) {
+        bytes[i].byte1 = 0x0; // Only ASCII support. TODO: Maybe more?
+        bytes[i].byte2 = wideString[i] & 0xFF;
+    }
+
+    xcb_generic_error_t* error;
+    const auto COOKIE = xcb_query_text_extents(g_pWindowManager->DisplayConnection, font, wideString.length() - 1, (xcb_char2b_t*)bytes);
+    xcb_query_text_extents_reply_t* reply = xcb_query_text_extents_reply(g_pWindowManager->DisplayConnection, COOKIE, &error);
+    if (!reply) {
+        Debug::log(ERR, "Text extent failed, code " + std::to_string(error->error_code));
+        free(error);
+        return 0;
+    }
+
+    const auto WIDTH = reply->overall_width;
+    free(reply);
+    return WIDTH;
+}
+
+void CStatusBar::draw() {
+
+    xcb_rectangle_t rectangles[] = {{m_vecPosition.x, m_vecPosition.y, m_vecSize.x + m_vecPosition.x, m_vecPosition.y + m_vecSize.y}};
+    xcb_poly_fill_rectangle(g_pWindowManager->DisplayConnection, m_iPixmap, m_mContexts["BG"].GContext, 1, rectangles);
+
+    // Draw workspaces
+    int drawnWorkspaces = 0;
+    for (int i = 0; i <= g_pWindowManager->getHighestWorkspaceID(); ++i) {
+
+        const auto WORKSPACE = g_pWindowManager->getWorkspaceByID(i);
+
+        if (!WORKSPACE)
+            continue;
+
+        std::string workspaceName = std::to_string(i);
+
+        if (WORKSPACE->getID() == g_pWindowManager->activeWorkspace->getID()) {
+            xcb_rectangle_t rectangleActive[] = { { m_vecSize.y * drawnWorkspaces, 0, m_vecSize.y, m_vecSize.y } };
+            xcb_poly_fill_rectangle(g_pWindowManager->DisplayConnection, m_iPixmap, m_mContexts["MEDBG"].GContext, 1, rectangleActive);
+        }
+
+        xcb_image_text_8(g_pWindowManager->DisplayConnection, workspaceName.length(), m_iPixmap,
+                         WORKSPACE->getID() == g_pWindowManager->activeWorkspace->getID() ? m_mContexts["HITEXT"].GContext : m_mContexts["BASETEXT"].GContext,
+                         m_vecSize.y * drawnWorkspaces + m_vecSize.y / 2.f - 2, m_vecSize.y - (m_vecSize.y - 10) / 2, workspaceName.c_str());
+
+        drawnWorkspaces++;
+    }
+
+    // Draw time to the right
+    const auto TIMET = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
+    const std::string TIME = "Hello World!";
+    xcb_image_text_8(g_pWindowManager->DisplayConnection, TIME.length(), m_iPixmap,
+                     m_mContexts["BASETEXT"].GContext, m_vecSize.x - getTextWidth(TIME, m_mContexts["BASETEXT"].Font) - 2, (m_vecSize.y - (m_vecSize.y - 10) / 2),
+                     TIME.c_str());
+
+    xcb_flush(g_pWindowManager->DisplayConnection);
+
+    xcb_copy_area(g_pWindowManager->DisplayConnection, m_iPixmap, m_iWindowID, m_mContexts["BG"].GContext, 
+        0, 0, 0, 0, m_vecSize.x, m_vecSize.y);
+}

src/bar/Bar.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <unordered_map>
+
+#include "../defines.hpp"
+
+struct SDrawingContext {
+    xcb_gcontext_t      GContext;
+    xcb_font_t          Font;
+};
+
+class CStatusBar {
+public:
+
+    EXPOSED_MEMBER(WindowID, xcb_window_t, i);
+
+    void                draw();
+    void                setup(Vector2D, Vector2D);
+
+private:
+    Vector2D            m_vecSize;
+    Vector2D            m_vecPosition;
+
+    xcb_pixmap_t        m_iPixmap;
+
+    std::unordered_map<std::string, SDrawingContext> m_mContexts;
+};

src/events/events.cpp

@@ -1,5 +1,34 @@
 #include "events.hpp"
 
+void Events::redraw() {
+    xcb_expose_event_t exposeEvent;
+    exposeEvent.window = g_pWindowManager->statusBar.getWindowID();
+    exposeEvent.response_type = XCB_EXPOSE;
+    exposeEvent.x = 0;
+    exposeEvent.y = 0;
+    exposeEvent.width = g_pWindowManager->Screen->width_in_pixels;
+    exposeEvent.height = g_pWindowManager->Screen->height_in_pixels;
+    xcb_send_event(g_pWindowManager->DisplayConnection, false, g_pWindowManager->statusBar.getWindowID(), XCB_EVENT_MASK_EXPOSURE, (char*)&exposeEvent);
+    xcb_flush(g_pWindowManager->DisplayConnection);
+}
+
+void handle(sigval val) {
+    //Events::redraw();
+    g_pWindowManager->statusBar.draw();
+}
+
+void Events::setThread() {
+    sigevent eventsig;
+    eventsig.sigev_notify = SIGEV_THREAD;
+    eventsig.sigev_notify_function = handle;
+    eventsig.sigev_notify_attributes = NULL;
+    eventsig.sigev_value.sival_ptr = &timerid;
+    timer_create(CLOCK_REALTIME, &eventsig, &timerid);
+
+    itimerspec t = {{0, 1000 * (1000 / MAX_FPS)}, {1, 0}};
+    timer_settime(timerid, 0, &t, 0);
+}
+
 void Events::eventEnter(xcb_generic_event_t* event) {
     const auto E = reinterpret_cast<xcb_enter_notify_event_t*>(event);
 
@@ -33,6 +62,10 @@ void Events::eventDestroy(xcb_generic_event_t* event) {
 void Events::eventMapWindow(xcb_generic_event_t* event) {
     const auto E = reinterpret_cast<xcb_map_request_event_t*>(event);
 
+    // make sure it's not the bar!
+    if (E->window == g_pWindowManager->statusBar.getWindowID())
+        return;
+
     // Map the window
     xcb_map_window(g_pWindowManager->DisplayConnection, E->window);
 
@@ -72,4 +105,11 @@ void Events::eventKeyPress(xcb_generic_event_t* event) {
             keybind.getDispatcher()(keybind.getCommand());
         }
     }
+}
+
+void Events::eventExpose(xcb_generic_event_t* event) {
+    const auto E = reinterpret_cast<xcb_expose_event_t*>(event);
+
+    // Draw the bar
+    g_pWindowManager->statusBar.draw();
 }

src/events/events.hpp

@@ -1,4 +1,7 @@
-#include "../defines.hpp"
+#include <inttypes.h>
+
+#include <thread>
+
 #include "../windowManager.hpp"
 
 namespace Events {
@@ -7,4 +10,12 @@ namespace Events {
     EVENT(Destroy);
     EVENT(MapWindow);
     EVENT(KeyPress);
+    EVENT(Expose);
+
+
+    // A thread to notify xcb to redraw our shiz
+    void            redraw();
+    void            setThread();
+
+    inline          timer_t timerid;
 };

src/main.cpp

@@ -28,5 +28,12 @@ int main(int argc, char** argv) {
 
     Debug::log(LOG, "Hypr reached the end! Exiting...");
 
+    xcb_disconnect(g_pWindowManager->DisplayConnection);
+
+    if (const auto err = xcb_connection_has_error(g_pWindowManager->DisplayConnection); err != 0) {
+        Debug::log(CRIT, "Exiting because of error " + std::to_string(err));
+        return err;
+    }
+
     return 0;
 }

src/windowManager.cpp

@@ -1,6 +1,19 @@
 #include "windowManager.hpp"
 #include "./events/events.hpp"
 
+xcb_visualtype_t* CWindowManager::setupColors() {
+    auto depthIter = xcb_screen_allowed_depths_iterator(Screen);
+    xcb_visualtype_iterator_t visualIter;
+    for (; depthIter.rem; xcb_depth_next(&depthIter)) {
+        if (depthIter.data->depth == Depth) {
+            visualIter = xcb_depth_visuals_iterator(depthIter.data);
+            return visualIter.data;
+        }
+    }
+
+    return nullptr;
+}
+
 void CWindowManager::setupManager() {
     KeybindManager::reloadAllKeybinds();
 
@@ -35,12 +48,42 @@ void CWindowManager::setupManager() {
     workspaces.push_back(protoWorkspace);
     activeWorkspace = &workspaces[0];
     //
+
+    // init visual type, default 32 bit depth
+    // TODO: fix this, ugh
+    Depth = 24; //32
+    VisualType = setupColors();
+    if (VisualType == NULL) {
+        Depth = 24;
+        VisualType = setupColors();
+    }
+
+    // ---- INIT THE BAR ---- //
+
+    // window
+    statusBar.setWindowID(xcb_generate_id(DisplayConnection));
+
+    Values[0] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE;
+
+    xcb_create_window(DisplayConnection, Depth, statusBar.getWindowID(), 
+        Screen->root, 0, 0, Screen->width_in_pixels, BAR_HEIGHT,
+        0, XCB_WINDOW_CLASS_INPUT_OUTPUT, Screen->root_visual,
+        XCB_CW_EVENT_MASK, Values);
+
+    // map
+    xcb_map_window(DisplayConnection, statusBar.getWindowID());
+
+    statusBar.setup(Vector2D(0, 0), Vector2D(Screen->width_in_pixels, BAR_HEIGHT));
+
+    // start its' update thread
+    Events::setThread();
 }
 
 bool CWindowManager::handleEvent() {
     if (xcb_connection_has_error(DisplayConnection))
         return false;
 
+    xcb_flush(DisplayConnection);
     const auto ev = xcb_wait_for_event(DisplayConnection);
     if (ev != NULL) {
         switch (ev->response_type & ~0x80) {
@@ -65,6 +108,10 @@ bool CWindowManager::handleEvent() {
                 Events::eventKeyPress(ev);
                 Debug::log(LOG, "Event dispatched KEYPRESS");
                 break;
+            case XCB_EXPOSE:
+                Events::eventExpose(ev);
+                Debug::log(LOG, "Event dispatched EXPOSE");
+                break;
 
             default:
                 //Debug::log(WARN, "Unknown event: " + std::to_string(ev->response_type & ~0x80));
@@ -228,9 +275,9 @@ void CWindowManager::setEffectiveSizePosUsingConfig(CWindow* pWindow) {
     pWindow->setEffectiveSize(pWindow->getSize() - (Vector2D(BORDERSIZE, BORDERSIZE) * 2));
 
     // do gaps, set top left
-    pWindow->setEffectivePosition(pWindow->getEffectivePosition() + Vector2D(DISPLAYLEFT ? GAPS_OUT : GAPS_IN, DISPLAYTOP ? GAPS_OUT : GAPS_IN));
+    pWindow->setEffectivePosition(pWindow->getEffectivePosition() + Vector2D(DISPLAYLEFT ? GAPS_OUT : GAPS_IN, DISPLAYTOP ? GAPS_OUT + BAR_HEIGHT : GAPS_IN));
     // fix to old size bottom right
-    pWindow->setEffectiveSize(pWindow->getEffectiveSize() - Vector2D(DISPLAYLEFT ? GAPS_OUT : GAPS_IN, DISPLAYTOP ? GAPS_OUT : GAPS_IN));
+    pWindow->setEffectiveSize(pWindow->getEffectiveSize() - Vector2D(DISPLAYLEFT ? GAPS_OUT : GAPS_IN, DISPLAYTOP ? GAPS_OUT + BAR_HEIGHT : GAPS_IN));
     // set bottom right
     pWindow->setEffectiveSize(pWindow->getEffectiveSize() - Vector2D(DISPLAYRIGHT ? GAPS_OUT : GAPS_IN, DISPLAYBOTTOM ? GAPS_OUT : GAPS_IN));
 }
@@ -499,4 +546,25 @@ void CWindowManager::setAllWorkspaceWindowsDirtyByID(int ID) {
         if (window.getWorkspaceID() == workspaceID)
             window.setDirty(true);
     }
+}
+
+int CWindowManager::getHighestWorkspaceID() {
+    int max = -1;
+    for (auto& workspace : workspaces) {
+        if (workspace.getID() > max) {
+            max = workspace.getID();
+        }
+    }
+
+    return max;
+}
+
+CWorkspace* CWindowManager::getWorkspaceByID(int ID) {
+    for (auto& workspace : workspaces) {
+        if (workspace.getID() == ID) {
+            return &workspace;
+        }
+    }
+
+    return nullptr;
 }

src/windowManager.hpp

@@ -4,15 +4,21 @@
 #include "window.hpp"
 
 #include <vector>
+#include <thread>
+#include <xcb/xcb.h>
 
 #include "KeybindManager.hpp"
-#include "./utilities/Workspace.hpp"
+#include "utilities/Workspace.hpp"
+#include "bar/Bar.hpp"
 
 
 // temp config values
 #define BORDERSIZE 1
 #define GAPS_IN 5
 #define GAPS_OUT 20
+#define BAR_HEIGHT 15
+
+#define MAX_FPS 60
 
 class CWindowManager {
 public:
@@ -21,12 +27,17 @@ public:
     xcb_drawable_t              Drawable;
     uint32_t                    Values[3];
 
+    uint8_t                     Depth = 32;
+    xcb_visualtype_t*           VisualType;
+
     std::vector<CWindow>        windows; // windows never left. It has always been hiding amongst us.
     xcb_drawable_t              LastWindow = -1;
 
     std::vector<CWorkspace>     workspaces;
     CWorkspace*                 activeWorkspace = nullptr;
 
+    CStatusBar                  statusBar;
+
     CWindow*                    getWindowFromDrawable(xcb_drawable_t);
     void                        addWindowToVectorSafe(CWindow);
     void                        removeWindowFromVectorSafe(xcb_drawable_t);
@@ -45,6 +56,8 @@ public:
 
     void                        changeWorkspaceByID(int);
     void                        setAllWorkspaceWindowsDirtyByID(int);
+    int                         getHighestWorkspaceID();
+    CWorkspace*                 getWorkspaceByID(int);
 
 private:
 
@@ -57,6 +70,7 @@ private:
     void                        calculateNewTileSetOldTile(CWindow* pWindow);
     void                        setEffectiveSizePosUsingConfig(CWindow* pWindow);
     void                        cleanupUnusedWorkspaces();
+    xcb_visualtype_t*           setupColors();
 
 };