diff options
Diffstat (limited to 'src/win_in_gtk2.c')
| -rw-r--r-- | src/win_in_gtk2.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/win_in_gtk2.c b/src/win_in_gtk2.c new file mode 100644 index 0000000..8367996 --- /dev/null +++ b/src/win_in_gtk2.c @@ -0,0 +1,161 @@ +/* + Copyright 2011-2012 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 <string.h> + +#include <gtk/gtk.h> +#include <gdk/gdkwin32.h> + +#include "./suil_internal.h" + +#define SUIL_TYPE_WIN_WRAPPER (suil_win_wrapper_get_type()) +#define SUIL_WIN_WRAPPER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), SUIL_TYPE_WIN_WRAPPER, SuilWinWrapper)) + +typedef struct _SuilWinWrapper SuilWinWrapper; +typedef struct _SuilWinWrapperClass SuilWinWrapperClass; + +struct _SuilWinWrapper { + GtkDrawingArea area; + SuilWrapper* wrapper; + SuilInstance* instance; +}; + +struct _SuilWinWrapperClass { + GtkDrawingAreaClass parent_class; +}; + +GType suil_win_wrapper_get_type(void); // Accessor for SUIL_TYPE_WIN_WRAPPER + +G_DEFINE_TYPE(SuilWinWrapper, suil_win_wrapper, GTK_TYPE_DRAWING_AREA) + +static void +suil_win_wrapper_finalize(GObject* gobject) +{ + SuilWinWrapper* const self = SUIL_WIN_WRAPPER(gobject); + + self->wrapper->impl = NULL; + + G_OBJECT_CLASS(suil_win_wrapper_parent_class)->finalize(gobject); +} + +static void +suil_win_wrapper_class_init(SuilWinWrapperClass* klass) +{ + GObjectClass* const gobject_class = G_OBJECT_CLASS(klass); + + gobject_class->finalize = suil_win_wrapper_finalize; +} + +static void +suil_win_wrapper_init(SuilWinWrapper* self) +{ + self->instance = NULL; +} + +GdkFilterReturn +event_filter(GdkXEvent* xevent, GdkEvent* event, gpointer data) +{ + SuilWinWrapper* wrap = (SuilWinWrapper*)data; + MSG* msg = (MSG*)xevent; + if (msg->message == WM_KEYDOWN || msg->message == WM_KEYUP) { + // Forward keyboard events to UI window + PostMessage((HWND)wrap->instance->ui_widget, + msg->message, msg->wParam, msg->lParam); + } + return GDK_FILTER_CONTINUE; +} + +static int +wrapper_resize(LV2UI_Feature_Handle handle, int width, int height) +{ + gtk_drawing_area_size(GTK_DRAWING_AREA(handle), width, height); + return 0; +} + +static int +wrapper_wrap(SuilWrapper* wrapper, + SuilInstance* instance) +{ + SuilWinWrapper* const wrap = SUIL_WIN_WRAPPER(wrapper->impl); + + instance->host_widget = GTK_WIDGET(wrap); + wrap->wrapper = wrapper; + wrap->instance = instance; + + return 0; +} + +static void +wrapper_free(SuilWrapper* wrapper) +{ + if (wrapper->impl) { + SuilWinWrapper* const wrap = SUIL_WIN_WRAPPER(wrapper->impl); + gtk_object_destroy(GTK_OBJECT(wrap)); + } +} + +SUIL_API +SuilWrapper* +suil_wrapper_new(SuilHost* host, + const char* host_type_uri, + const char* ui_type_uri, + LV2_Feature*** features, + unsigned n_features) +{ + GtkWidget* parent = NULL; + for (unsigned i = 0; i < n_features; ++i) { + if (!strcmp((*features)[i]->URI, LV2_UI__parent)) { + parent = (GtkWidget*)(*features)[i]->data; + } + } + + if (!GTK_CONTAINER(parent)) { + SUIL_ERRORF("No GtkContainer parent given for %s UI\n", + ui_type_uri); + return NULL; + } + + SuilWrapper* wrapper = (SuilWrapper*)malloc(sizeof(SuilWrapper)); + wrapper->wrap = wrapper_wrap; + wrapper->free = wrapper_free; + + SuilWinWrapper* const wrap = SUIL_WIN_WRAPPER( + g_object_new(SUIL_TYPE_WIN_WRAPPER, NULL)); + + wrap->wrapper = NULL; + + wrapper->impl = wrap; + wrapper->resize.handle = wrap; + wrapper->resize.ui_resize = wrapper_resize; + + gtk_container_add(GTK_CONTAINER(parent), GTK_WIDGET(wrap)); + gtk_widget_set_can_focus(GTK_WIDGET(wrap), TRUE); + gtk_widget_set_sensitive(GTK_WIDGET(wrap), TRUE); + gtk_widget_realize(GTK_WIDGET(wrap)); + + GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(wrap)); + GdkWindow* parent_window = gtk_widget_get_window(parent); + gdk_window_add_filter(parent_window, event_filter, wrap); + gdk_window_add_filter(window, event_filter, wrap); + + suil_add_feature(features, &n_features, LV2_UI__parent, + GDK_WINDOW_HWND(window)); + + suil_add_feature(features, &n_features, LV2_UI__resize, + &wrapper->resize); + + return wrapper; +} |