diff options
Diffstat (limited to 'src/x11_in_gtk2.c')
| -rw-r--r-- | src/x11_in_gtk2.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/src/x11_in_gtk2.c b/src/x11_in_gtk2.c deleted file mode 100644 index 7ec9592..0000000 --- a/src/x11_in_gtk2.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - Copyright 2011-2016 David Robillard <http://drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#include <gdk/gdkx.h> -#include <gtk/gtk.h> -#include <string.h> - -#include "lv2/lv2plug.in/ns/ext/options/options.h" -#include "lv2/lv2plug.in/ns/ext/urid/urid.h" - -#include "./suil_internal.h" - -#define SUIL_TYPE_X11_WRAPPER (suil_x11_wrapper_get_type()) -#define SUIL_X11_WRAPPER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), SUIL_TYPE_X11_WRAPPER, SuilX11Wrapper)) - -typedef struct _SuilX11Wrapper SuilX11Wrapper; -typedef struct _SuilX11WrapperClass SuilX11WrapperClass; - -struct _SuilX11Wrapper { - GtkSocket socket; - GtkPlug* plug; - SuilWrapper* wrapper; - SuilInstance* instance; - const LV2UI_Idle_Interface* idle_iface; - guint idle_id; - guint idle_ms; -}; - -struct _SuilX11WrapperClass { - GtkSocketClass parent_class; -}; - -GType suil_x11_wrapper_get_type(void); // Accessor for SUIL_TYPE_X11_WRAPPER - -G_DEFINE_TYPE(SuilX11Wrapper, suil_x11_wrapper, GTK_TYPE_SOCKET) - -/** - Check if 'swallowed' subwindow is known to the X server. - - Gdk/GTK can mark the window as realized, mapped and visible even though - there is no window-ID on the X server for it yet. Then, - suil_x11_on_size_allocate() will cause a "BadWinow" X error. -*/ -static bool -x_window_is_valid(SuilX11Wrapper* socket) -{ - GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(socket->plug)); - Window root = 0; - Window parent = 0; - Window* children = NULL; - unsigned childcount = 0; - - XQueryTree(GDK_WINDOW_XDISPLAY(window), - GDK_WINDOW_XID(window), - &root, &parent, &children, &childcount); - for (unsigned i = 0; i < childcount; ++i) { - if (children[i] == (Window)socket->instance->ui_widget) { - XFree(children); - return true; - } - } - XFree(children); - return false; -} - -static gboolean -on_plug_removed(GtkSocket* sock, gpointer data) -{ - SuilX11Wrapper* const self = SUIL_X11_WRAPPER(sock); - - if (self->idle_id) { - g_source_remove(self->idle_id); - self->idle_id = 0; - } - - if (self->instance->handle) { - self->instance->descriptor->cleanup(self->instance->handle); - self->instance->handle = NULL; - } - - self->plug = NULL; - return TRUE; -} - -static void -suil_x11_wrapper_finalize(GObject* gobject) -{ - SuilX11Wrapper* const self = SUIL_X11_WRAPPER(gobject); - - self->wrapper->impl = NULL; - - G_OBJECT_CLASS(suil_x11_wrapper_parent_class)->finalize(gobject); -} - -static void -suil_x11_wrapper_realize(GtkWidget* w) -{ - SuilX11Wrapper* const wrap = SUIL_X11_WRAPPER(w); - GtkSocket* const socket = GTK_SOCKET(w); - - if (GTK_WIDGET_CLASS(suil_x11_wrapper_parent_class)->realize) { - GTK_WIDGET_CLASS(suil_x11_wrapper_parent_class)->realize(w); - } - - gtk_socket_add_id(socket, gtk_plug_get_id(wrap->plug)); - - gtk_widget_set_sensitive(GTK_WIDGET(wrap->plug), TRUE); - gtk_widget_set_can_focus(GTK_WIDGET(wrap->plug), TRUE); - gtk_widget_grab_focus(GTK_WIDGET(wrap->plug)); -} - -static void -suil_x11_wrapper_show(GtkWidget* w) -{ - SuilX11Wrapper* const wrap = SUIL_X11_WRAPPER(w); - - if (GTK_WIDGET_CLASS(suil_x11_wrapper_parent_class)->show) { - GTK_WIDGET_CLASS(suil_x11_wrapper_parent_class)->show(w); - } - - gtk_widget_show(GTK_WIDGET(wrap->plug)); -} - -static gboolean -forward_key_event(SuilX11Wrapper* socket, - GdkEvent* gdk_event) -{ - GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(socket->plug)); - GdkScreen* screen = gdk_visual_get_screen(gdk_window_get_visual(window)); - - Window target_window; - if (gdk_event->any.window == window) { - // Event sent up to the plug window, forward it up to the parent - GtkWidget* widget = GTK_WIDGET(socket->instance->host_widget); - GdkWindow* parent = gtk_widget_get_parent_window(widget); - if (parent) { - target_window = GDK_WINDOW_XID(parent); - } else { - return FALSE; // Wrapper is a top-level window, do nothing - } - } else { - // Event sent anywhere else, send to the plugin - target_window = (Window)socket->instance->ui_widget; - } - - XKeyEvent xev; - memset(&xev, 0, sizeof(xev)); - xev.type = (gdk_event->type == GDK_KEY_PRESS) ? KeyPress : KeyRelease; - xev.root = GDK_WINDOW_XID(gdk_screen_get_root_window(screen)); - xev.window = target_window; - xev.subwindow = None; - xev.time = gdk_event->key.time; - xev.state = gdk_event->key.state; - xev.keycode = gdk_event->key.hardware_keycode; - - XSendEvent(GDK_WINDOW_XDISPLAY(window), - target_window, - False, - NoEventMask, - (XEvent*)&xev); - - return (gdk_event->any.window != window); -} - -static gboolean -idle_size_request(gpointer user_data) -{ - GtkWidget* w = GTK_WIDGET(user_data); - gtk_widget_queue_resize(w); - return FALSE; -} - -static void -forward_size_request(SuilX11Wrapper* socket, - GtkAllocation* allocation) -{ - GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(socket->plug)); - if (x_window_is_valid(socket)) { - // Calculate allocation size constrained to X11 limits for widget - int width = allocation->width; - int height = allocation->height; - XSizeHints hints; - memset(&hints, 0, sizeof(hints)); - XGetNormalHints(GDK_WINDOW_XDISPLAY(window), - (Window)socket->instance->ui_widget, - &hints); - if (hints.flags & PMaxSize) { - width = MIN(width, hints.max_width); - height = MIN(height, hints.max_height); - } - if (hints.flags & PMinSize) { - width = MAX(width, hints.min_width); - height = MAX(height, hints.min_height); - } - - // Resize widget window - XResizeWindow(GDK_WINDOW_XDISPLAY(window), - (Window)socket->instance->ui_widget, - width, height); - - // Get actual widget geometry - Window root; - int wx, wy; - unsigned int ww, wh; - unsigned int ignored; - XGetGeometry(GDK_WINDOW_XDISPLAY(window), - (Window)socket->instance->ui_widget, - &root, - &wx, &wy, &ww, &wh, - &ignored, &ignored); - - // Center widget in allocation - wx = (allocation->width - ww) / 2; - wy = (allocation->height - wh) / 2; - XMoveWindow(GDK_WINDOW_XDISPLAY(window), - (Window)socket->instance->ui_widget, - wx, wy); - } else { - /* Child has not been realized, so unable to resize now. - Queue an idle resize. */ - g_idle_add(idle_size_request, socket->plug); - } -} - -static gboolean -suil_x11_wrapper_key_event(GtkWidget* widget, - GdkEventKey* event) -{ - SuilX11Wrapper* const self = SUIL_X11_WRAPPER(widget); - - if (self->plug) { - return forward_key_event(self, (GdkEvent*)event); - } - - return FALSE; -} - -static void -suil_x11_on_size_allocate(GtkWidget* widget, - GtkAllocation* a) -{ - SuilX11Wrapper* const self = SUIL_X11_WRAPPER(widget); - - if (self->plug - && GTK_WIDGET_REALIZED(widget) - && GTK_WIDGET_MAPPED(widget) - && GTK_WIDGET_VISIBLE(widget)) { - forward_size_request(self, a); - } -} - -static void -suil_x11_wrapper_class_init(SuilX11WrapperClass* klass) -{ - GObjectClass* const gobject_class = G_OBJECT_CLASS(klass); - GtkWidgetClass* const widget_class = GTK_WIDGET_CLASS(klass); - - gobject_class->finalize = suil_x11_wrapper_finalize; - widget_class->realize = suil_x11_wrapper_realize; - widget_class->show = suil_x11_wrapper_show; - widget_class->key_press_event = suil_x11_wrapper_key_event; - widget_class->key_release_event = suil_x11_wrapper_key_event; -} - -static void -suil_x11_wrapper_init(SuilX11Wrapper* self) -{ - self->plug = GTK_PLUG(gtk_plug_new(0)); - self->wrapper = NULL; - self->instance = NULL; - self->idle_iface = NULL; - self->idle_ms = 1000 / 30; // 30 Hz default -} - -static int -wrapper_resize(LV2UI_Feature_Handle handle, int width, int height) -{ - gtk_widget_set_size_request(GTK_WIDGET(handle), width, height); - return 0; -} - -static gboolean -suil_x11_wrapper_idle(void* data) -{ - SuilX11Wrapper* const wrap = SUIL_X11_WRAPPER(data); - - wrap->idle_iface->idle(wrap->instance->handle); - - return TRUE; // Continue calling -} - -static int -wrapper_wrap(SuilWrapper* wrapper, - SuilInstance* instance) -{ - SuilX11Wrapper* const wrap = SUIL_X11_WRAPPER(wrapper->impl); - - instance->host_widget = GTK_WIDGET(wrap); - wrap->wrapper = wrapper; - wrap->instance = instance; - - const LV2UI_Idle_Interface* idle_iface = NULL; - if (instance->descriptor->extension_data) { - idle_iface = (const LV2UI_Idle_Interface*) - instance->descriptor->extension_data(LV2_UI__idleInterface); - } - if (idle_iface) { - wrap->idle_iface = idle_iface; - wrap->idle_id = g_timeout_add( - wrap->idle_ms, suil_x11_wrapper_idle, wrap); - } - - g_signal_connect(G_OBJECT(wrap), - "plug-removed", - G_CALLBACK(on_plug_removed), - NULL); - - g_signal_connect(G_OBJECT(wrap), - "size-allocate", - G_CALLBACK(suil_x11_on_size_allocate), - NULL); - - return 0; -} - -static void -wrapper_free(SuilWrapper* wrapper) -{ - if (wrapper->impl) { - SuilX11Wrapper* const wrap = SUIL_X11_WRAPPER(wrapper->impl); - gtk_object_destroy(GTK_OBJECT(wrap)); - } -} - -SUIL_LIB_EXPORT -SuilWrapper* -suil_wrapper_new(SuilHost* host, - const char* host_type_uri, - const char* ui_type_uri, - LV2_Feature*** features, - unsigned n_features) -{ - SuilWrapper* wrapper = (SuilWrapper*)calloc(1, sizeof(SuilWrapper)); - wrapper->wrap = wrapper_wrap; - wrapper->free = wrapper_free; - - SuilX11Wrapper* const wrap = SUIL_X11_WRAPPER( - g_object_new(SUIL_TYPE_X11_WRAPPER, NULL)); - - wrapper->impl = wrap; - wrapper->resize.handle = wrap; - wrapper->resize.ui_resize = wrapper_resize; - - gtk_widget_set_sensitive(GTK_WIDGET(wrap), TRUE); - gtk_widget_set_can_focus(GTK_WIDGET(wrap), TRUE); - - const intptr_t parent_id = (intptr_t)gtk_plug_get_id(wrap->plug); - suil_add_feature(features, &n_features, LV2_UI__parent, (void*)parent_id); - suil_add_feature(features, &n_features, LV2_UI__resize, &wrapper->resize); - suil_add_feature(features, &n_features, LV2_UI__idleInterface, NULL); - - // Scan for URID map and options - LV2_URID_Map* map = NULL; - LV2_Options_Option* options = NULL; - for (LV2_Feature** f = *features; *f && (!map || !options); ++f) { - if (!strcmp((*f)->URI, LV2_OPTIONS__options)) { - options = (LV2_Options_Option*)(*f)->data; - } else if (!strcmp((*f)->URI, LV2_URID__map)) { - map = (LV2_URID_Map*)(*f)->data; - } - } - - if (map && options) { - // Set UI update rate if given - LV2_URID ui_updateRate = map->map(map->handle, LV2_UI__updateRate); - for (LV2_Options_Option* o = options; o->key; ++o) { - if (o->key == ui_updateRate) { - wrap->idle_ms = 1000.0f / *(const float*)o->value; - break; - } - } - } - - return wrapper; -} |