diff options
Diffstat (limited to 'intern/ghost/intern/GHOST_WindowWayland.cpp')
| -rw-r--r-- | intern/ghost/intern/GHOST_WindowWayland.cpp | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_WindowWayland.cpp b/intern/ghost/intern/GHOST_WindowWayland.cpp new file mode 100644 index 00000000000..0ea6f5f8ecb --- /dev/null +++ b/intern/ghost/intern/GHOST_WindowWayland.cpp @@ -0,0 +1,406 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** \file + * \ingroup GHOST + */ + +#include "GHOST_WindowWayland.h" +#include "GHOST_SystemWayland.h" +#include "GHOST_WindowManager.h" + +#include "GHOST_Event.h" + +#include "GHOST_ContextEGL.h" +#include "GHOST_ContextNone.h" + +#include <wayland-egl.h> + +struct window_t { + GHOST_WindowWayland *w; + wl_surface *surface; + struct xdg_surface *xdg_surface; + struct xdg_toplevel *xdg_toplevel; + wl_egl_window *egl_window; + int32_t pending_width, pending_height; + bool is_maximised; + bool is_fullscreen; + bool is_active; + int32_t width, height; +}; + +/* -------------------------------------------------------------------- */ +/** \name Wayland Interface Callbacks + * + * These callbacks are registered for Wayland interfaces and called when + * an event is received from the compositor. + * \{ */ + +static void toplevel_configure( + void *data, xdg_toplevel * /*xdg_toplevel*/, int32_t width, int32_t height, wl_array *states) +{ + window_t *win = static_cast<window_t *>(data); + win->pending_width = width; + win->pending_height = height; + + win->is_maximised = false; + win->is_fullscreen = false; + win->is_active = false; + + /* Note that the macro 'wl_array_for_each' would typically be used to simplify this logic, + * however it's not compatible with C++, so perform casts instead. + * If this needs to be done more often we could define our own C++ compatible macro. */ + for (enum xdg_toplevel_state *state = static_cast<xdg_toplevel_state *>(states->data); + reinterpret_cast<uint8_t *>(state) < (static_cast<uint8_t *>(states->data) + states->size); + state++) { + switch (*state) { + case XDG_TOPLEVEL_STATE_MAXIMIZED: + win->is_maximised = true; + break; + case XDG_TOPLEVEL_STATE_FULLSCREEN: + win->is_fullscreen = true; + break; + case XDG_TOPLEVEL_STATE_ACTIVATED: + win->is_active = true; + break; + default: + break; + } + } +} + +static void toplevel_close(void *data, xdg_toplevel * /*xdg_toplevel*/) +{ + static_cast<window_t *>(data)->w->close(); +} + +static const xdg_toplevel_listener toplevel_listener = { + toplevel_configure, + toplevel_close, +}; + +static void surface_configure(void *data, xdg_surface *xdg_surface, uint32_t serial) +{ + window_t *win = static_cast<window_t *>(data); + + int w, h; + wl_egl_window_get_attached_size(win->egl_window, &w, &h); + if (win->pending_width != 0 && win->pending_height != 0 && win->pending_width != w && + win->pending_height != h) { + win->width = win->pending_width; + win->height = win->pending_height; + wl_egl_window_resize(win->egl_window, win->pending_width, win->pending_height, 0, 0); + win->pending_width = 0; + win->pending_height = 0; + win->w->notify_size(); + } + + if (win->is_active) { + win->w->activate(); + } + else { + win->w->deactivate(); + } + + xdg_surface_ack_configure(xdg_surface, serial); +} + +static const xdg_surface_listener surface_listener = { + surface_configure, +}; + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Ghost Implementation + * + * Wayland specific implementation of the GHOST_Window interface. + * \{ */ + +GHOST_TSuccess GHOST_WindowWayland::hasCursorShape(GHOST_TStandardCursor cursorShape) +{ + return m_system->hasCursorShape(cursorShape); +} + +GHOST_WindowWayland::GHOST_WindowWayland(GHOST_SystemWayland *system, + const char *title, + GHOST_TInt32 /*left*/, + GHOST_TInt32 /*top*/, + GHOST_TUns32 width, + GHOST_TUns32 height, + GHOST_TWindowState state, + const GHOST_IWindow *parentWindow, + GHOST_TDrawingContextType type, + const bool stereoVisual, + const bool exclusive) + : GHOST_Window(width, height, state, stereoVisual, exclusive), + m_system(system), + w(new window_t) +{ + w->w = this; + + w->width = int32_t(width); + w->height = int32_t(height); + + /* Window surfaces. */ + w->surface = wl_compositor_create_surface(m_system->compositor()); + w->egl_window = wl_egl_window_create(w->surface, int(width), int(height)); + + w->xdg_surface = xdg_wm_base_get_xdg_surface(m_system->shell(), w->surface); + w->xdg_toplevel = xdg_surface_get_toplevel(w->xdg_surface); + + wl_surface_set_user_data(w->surface, this); + + xdg_surface_add_listener(w->xdg_surface, &surface_listener, w); + xdg_toplevel_add_listener(w->xdg_toplevel, &toplevel_listener, w); + + if (parentWindow) { + xdg_toplevel_set_parent( + w->xdg_toplevel, dynamic_cast<const GHOST_WindowWayland *>(parentWindow)->w->xdg_toplevel); + } + + /* Call top-level callbacks. */ + wl_surface_commit(w->surface); + wl_display_roundtrip(m_system->display()); + + setState(state); + + setTitle(title); + + /* EGL context. */ + if (setDrawingContextType(type) == GHOST_kFailure) { + GHOST_PRINT("Failed to create EGL context" << std::endl); + } +} + +GHOST_TSuccess GHOST_WindowWayland::close() +{ + return m_system->pushEvent( + new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowClose, this)); +} + +GHOST_TSuccess GHOST_WindowWayland::activate() +{ + if (m_system->getWindowManager()->setActiveWindow(this) == GHOST_kFailure) { + return GHOST_kFailure; + } + return m_system->pushEvent( + new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowActivate, this)); +} + +GHOST_TSuccess GHOST_WindowWayland::deactivate() +{ + m_system->getWindowManager()->setWindowInactive(this); + return m_system->pushEvent( + new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowDeactivate, this)); +} + +GHOST_TSuccess GHOST_WindowWayland::notify_size() +{ + return m_system->pushEvent( + new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowSize, this)); +} + +GHOST_TSuccess GHOST_WindowWayland::setWindowCursorGrab(GHOST_TGrabCursorMode mode) +{ + return m_system->setCursorGrab(mode, w->surface); +} + +GHOST_TSuccess GHOST_WindowWayland::setWindowCursorShape(GHOST_TStandardCursor shape) +{ + const GHOST_TSuccess ok = m_system->setCursorShape(shape); + m_cursorShape = (ok == GHOST_kSuccess) ? shape : GHOST_kStandardCursorDefault; + return ok; +} + +GHOST_TSuccess GHOST_WindowWayland::setWindowCustomCursorShape(GHOST_TUns8 *bitmap, + GHOST_TUns8 *mask, + int sizex, + int sizey, + int hotX, + int hotY, + bool canInvertColor) +{ + return m_system->setCustomCursorShape(bitmap, mask, sizex, sizey, hotX, hotY, canInvertColor); +} + +void GHOST_WindowWayland::setTitle(const char *title) +{ + xdg_toplevel_set_title(w->xdg_toplevel, title); + xdg_toplevel_set_app_id(w->xdg_toplevel, title); + this->title = title; +} + +std::string GHOST_WindowWayland::getTitle() const +{ + return this->title.empty() ? "untitled" : this->title; +} + +void GHOST_WindowWayland::getWindowBounds(GHOST_Rect &bounds) const +{ + getClientBounds(bounds); +} + +void GHOST_WindowWayland::getClientBounds(GHOST_Rect &bounds) const +{ + bounds.set(0, 0, w->width, w->height); +} + +GHOST_TSuccess GHOST_WindowWayland::setClientWidth(GHOST_TUns32 width) +{ + return setClientSize(width, GHOST_TUns32(w->height)); +} + +GHOST_TSuccess GHOST_WindowWayland::setClientHeight(GHOST_TUns32 height) +{ + return setClientSize(GHOST_TUns32(w->width), height); +} + +GHOST_TSuccess GHOST_WindowWayland::setClientSize(GHOST_TUns32 width, GHOST_TUns32 height) +{ + wl_egl_window_resize(w->egl_window, int(width), int(height), 0, 0); + return GHOST_kSuccess; +} + +void GHOST_WindowWayland::screenToClient(GHOST_TInt32 inX, + GHOST_TInt32 inY, + GHOST_TInt32 &outX, + GHOST_TInt32 &outY) const +{ + outX = inX; + outY = inY; +} + +void GHOST_WindowWayland::clientToScreen(GHOST_TInt32 inX, + GHOST_TInt32 inY, + GHOST_TInt32 &outX, + GHOST_TInt32 &outY) const +{ + outX = inX; + outY = inY; +} + +GHOST_WindowWayland::~GHOST_WindowWayland() +{ + releaseNativeHandles(); + + wl_egl_window_destroy(w->egl_window); + xdg_toplevel_destroy(w->xdg_toplevel); + xdg_surface_destroy(w->xdg_surface); + wl_surface_destroy(w->surface); + + delete w; +} + +GHOST_TSuccess GHOST_WindowWayland::setWindowCursorVisibility(bool visible) +{ + return m_system->setCursorVisibility(visible); +} + +GHOST_TSuccess GHOST_WindowWayland::setState(GHOST_TWindowState state) +{ + switch (state) { + case GHOST_kWindowStateNormal: + /* Unset states. */ + switch (getState()) { + case GHOST_kWindowStateMaximized: + xdg_toplevel_unset_maximized(w->xdg_toplevel); + break; + case GHOST_kWindowStateFullScreen: + xdg_toplevel_unset_fullscreen(w->xdg_toplevel); + break; + default: + break; + } + break; + case GHOST_kWindowStateMaximized: + xdg_toplevel_set_maximized(w->xdg_toplevel); + break; + case GHOST_kWindowStateMinimized: + xdg_toplevel_set_minimized(w->xdg_toplevel); + break; + case GHOST_kWindowStateFullScreen: + xdg_toplevel_set_fullscreen(w->xdg_toplevel, nullptr); + break; + case GHOST_kWindowStateEmbedded: + return GHOST_kFailure; + } + return GHOST_kSuccess; +} + +GHOST_TWindowState GHOST_WindowWayland::getState() const +{ + if (w->is_fullscreen) { + return GHOST_kWindowStateFullScreen; + } + else if (w->is_maximised) { + return GHOST_kWindowStateMaximized; + } + else { + return GHOST_kWindowStateNormal; + } +} + +GHOST_TSuccess GHOST_WindowWayland::invalidate() +{ + return GHOST_kSuccess; +} + +GHOST_TSuccess GHOST_WindowWayland::setOrder(GHOST_TWindowOrder /*order*/) +{ + return GHOST_kSuccess; +} + +GHOST_TSuccess GHOST_WindowWayland::beginFullScreen() const +{ + xdg_toplevel_set_fullscreen(w->xdg_toplevel, nullptr); + return GHOST_kSuccess; +} + +GHOST_TSuccess GHOST_WindowWayland::endFullScreen() const +{ + xdg_toplevel_unset_fullscreen(w->xdg_toplevel); + return GHOST_kSuccess; +} + +/** + * \param type The type of rendering context create. + * \return Indication of success. + */ +GHOST_Context *GHOST_WindowWayland::newDrawingContext(GHOST_TDrawingContextType type) +{ + GHOST_Context *context; + switch (type) { + case GHOST_kDrawingContextTypeNone: + context = new GHOST_ContextNone(m_wantStereoVisual); + break; + case GHOST_kDrawingContextTypeOpenGL: + context = new GHOST_ContextEGL(m_wantStereoVisual, + EGLNativeWindowType(w->egl_window), + EGLNativeDisplayType(m_system->display()), + EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT, + 3, + 3, + GHOST_OPENGL_EGL_CONTEXT_FLAGS, + GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY, + EGL_OPENGL_API); + break; + } + + return (context->initializeDrawingContext() == GHOST_kSuccess) ? context : nullptr; +} + +/** \} */ |