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authorAshish Gupta <ashmew2@gmail.com>2017-09-16 17:37:35 (GMT)
committer Ashish Gupta <ashmew2@gmail.com>2017-09-16 17:37:35 (GMT)
commit4519e547a84542c1a4da3d05102e5fc9c06ae36b (patch)
tree8f47f3e6a2b56612e4ae905f395a9c09d8b462e0
parentb9b1aca6ad17b039528cd3bae2c14a5e876d0507 (diff)
downloadnetsurf-4519e547a84542c1a4da3d05102e5fc9c06ae36b.tar.gz
netsurf-4519e547a84542c1a4da3d05102e5fc9c06ae36b.tar.bz2
Add corewindow
-rw-r--r--frontends/kolibrios/fb/corewindow.c262
-rw-r--r--frontends/kolibrios/fb/corewindow.h107
2 files changed, 369 insertions, 0 deletions
diff --git a/frontends/kolibrios/fb/corewindow.c b/frontends/kolibrios/fb/corewindow.c
new file mode 100644
index 0000000..93f88ff
--- a/dev/null
+++ b/frontends/kolibrios/fb/corewindow.c
@@ -0,0 +1,262 @@
+/*
+ * Copyright 2017 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * framebuffer generic core window interface.
+ *
+ * Provides interface for core renderers to the framebufefr toolkit
+ * drawable area.
+ *
+ * This module is an object that must be encapsulated. Client users
+ * should embed a struct fb_corewindow at the beginning of their
+ * context for this display surface, fill in relevant data and then
+ * call fb_corewindow_init()
+ *
+ * The fb core window structure requires the callback for draw, key and
+ * mouse operations.
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#include <libnsfb.h>
+#include <libnsfb_plot.h>
+#include <libnsfb_event.h>
+
+#include "utils/log.h"
+#include "utils/utils.h"
+#include "utils/messages.h"
+#include "utils/utf8.h"
+#include "utils/nsoption.h"
+#include "netsurf/keypress.h"
+#include "netsurf/mouse.h"
+#include "netsurf/plot_style.h"
+
+#include "framebuffer/gui.h"
+#include "framebuffer/fbtk.h"
+#include "framebuffer/corewindow.h"
+
+
+/* toolkit event handlers that do generic things and call internal callbacks */
+
+
+static int
+fb_cw_mouse_press_event(fbtk_widget_t *widget, fbtk_callback_info *cbi)
+{
+ struct fb_corewindow *fb_cw = (struct fb_corewindow *)cbi->context;
+ browser_mouse_state state;
+
+ /** \todo frambuffer corewindow mouse event handling needs improving */
+ if (cbi->event->type != NSFB_EVENT_KEY_UP) {
+ state = BROWSER_MOUSE_HOVER;
+ } else {
+ state = BROWSER_MOUSE_PRESS_1;
+ }
+
+ fb_cw->mouse(fb_cw, state, cbi->x, cbi->y);
+
+ return 1;
+}
+
+/*
+static bool
+fb_cw_input_event(toolkit_widget *widget, void *ctx)
+{
+ struct fb_corewindow *fb_cw = (struct fb_corewindow *)ctx;
+
+ fb_cw->key(fb_cw, keycode);
+
+ return true;
+}
+*/
+
+/**
+ * handler for toolkit window redraw event
+ */
+static int fb_cw_draw_event(fbtk_widget_t *widget, fbtk_callback_info *cbi)
+{
+ struct fb_corewindow *fb_cw;
+ nsfb_bbox_t rbox;
+ struct rect clip;
+
+ fb_cw = (struct fb_corewindow *)cbi->context;
+
+ rbox.x0 = fbtk_get_absx(widget);
+ rbox.y0 = fbtk_get_absy(widget);
+
+ rbox.x1 = rbox.x0 + fbtk_get_width(widget);
+ rbox.y1 = rbox.y0 + fbtk_get_height(widget);
+
+ nsfb_claim(fbtk_get_nsfb(widget), &rbox);
+
+ clip.x0 = fb_cw->scrollx;
+ clip.y0 = fb_cw->scrolly;
+ clip.x1 = fbtk_get_width(widget) + fb_cw->scrollx;
+ clip.y1 = fbtk_get_height(widget) + fb_cw->scrolly;
+
+ fb_cw->draw(fb_cw, &clip);
+
+ nsfb_update(fbtk_get_nsfb(widget), &rbox);
+
+ return 0;
+}
+
+
+/**
+ * callback from core to request a redraw
+ */
+static nserror
+fb_cw_invalidate(struct core_window *cw, const struct rect *r)
+{
+/* struct fb_corewindow *fb_cw = (struct fb_corewindow *)cw;
+
+ toolkit_widget_queue_draw_area(fb_cw->widget,
+ r->x0, r->y0,
+ r->x1 - r->x0, r->y1 - r->y0);
+*/
+ return NSERROR_OK;
+}
+
+
+static void
+fb_cw_update_size(struct core_window *cw, int width, int height)
+{
+/* struct fb_corewindow *fb_cw = (struct fb_corewindow *)cw;
+
+ toolkit_widget_set_size_request(FB_WIDGET(fb_cw->drawing_area),
+ width, height);
+*/
+}
+
+
+static void
+fb_cw_scroll_visible(struct core_window *cw, const struct rect *r)
+{
+/* struct fb_corewindow *fb_cw = (struct fb_corewindow *)cw;
+
+ toolkit_scroll_widget(fb_cw->widget, r);
+*/
+}
+
+
+static void
+fb_cw_get_window_dimensions(struct core_window *cw, int *width, int *height)
+{
+ struct fb_corewindow *fb_cw = (struct fb_corewindow *)cw;
+
+ *width = fbtk_get_width(fb_cw->drawable);
+ *height = fbtk_get_height(fb_cw->drawable);
+}
+
+
+static void
+fb_cw_drag_status(struct core_window *cw, core_window_drag_status ds)
+{
+ struct fb_corewindow *fb_cw = (struct fb_corewindow *)cw;
+ fb_cw->drag_status = ds;
+}
+
+
+struct core_window_callback_table fb_cw_cb_table = {
+ .invalidate = fb_cw_invalidate,
+ .update_size = fb_cw_update_size,
+ .scroll_visible = fb_cw_scroll_visible,
+ .get_window_dimensions = fb_cw_get_window_dimensions,
+ .drag_status = fb_cw_drag_status
+};
+
+/* exported function documented fb/corewindow.h */
+nserror fb_corewindow_init(fbtk_widget_t *parent, struct fb_corewindow *fb_cw)
+{
+ int furniture_width;
+
+ furniture_width = nsoption_int(fb_furniture_size);
+
+ /* setup the core window callback table */
+ fb_cw->cb_table = &fb_cw_cb_table;
+ fb_cw->drag_status = CORE_WINDOW_DRAG_NONE;
+
+ /* container window */
+ fb_cw->wnd = fbtk_create_window(parent, 0, 0, 0, 0, 0);
+
+ fb_cw->drawable = fbtk_create_user(fb_cw->wnd,
+ 0, 0,
+ -furniture_width, -furniture_width,
+ fb_cw);
+
+ fbtk_set_handler(fb_cw->drawable,
+ FBTK_CBT_REDRAW,
+ fb_cw_draw_event,
+ fb_cw);
+
+ fbtk_set_handler(fb_cw->drawable,
+ FBTK_CBT_CLICK,
+ fb_cw_mouse_press_event,
+ fb_cw);
+/*
+ fbtk_set_handler(fb_cw->drawable,
+ FBTK_CBT_INPUT,
+ fb_cw_input_event,
+ fb_cw);
+
+ fbtk_set_handler(fb_cw->drawable,
+ FBTK_CBT_POINTERMOVE,
+ fb_cw_move_event,
+ fb_cw);
+*/
+
+ /* create horizontal scrollbar */
+ fb_cw->hscroll = fbtk_create_hscroll(fb_cw->wnd,
+ 0,
+ fbtk_get_height(fb_cw->wnd) - furniture_width,
+ fbtk_get_width(fb_cw->wnd) - furniture_width,
+ furniture_width,
+ FB_SCROLL_COLOUR,
+ FB_FRAME_COLOUR,
+ NULL,
+ NULL);
+
+ fb_cw->vscroll = fbtk_create_vscroll(fb_cw->wnd,
+ fbtk_get_width(fb_cw->wnd) - furniture_width,
+ 0,
+ furniture_width,
+ fbtk_get_height(fb_cw->wnd) - furniture_width,
+ FB_SCROLL_COLOUR,
+ FB_FRAME_COLOUR,
+ NULL,
+ NULL);
+
+ fbtk_create_fill(fb_cw->wnd,
+ fbtk_get_width(fb_cw->wnd) - furniture_width,
+ fbtk_get_height(fb_cw->wnd) - furniture_width,
+ furniture_width,
+ furniture_width,
+ FB_FRAME_COLOUR);
+
+
+ return NSERROR_OK;
+}
+
+/* exported interface documented in fb/corewindow.h */
+nserror fb_corewindow_fini(struct fb_corewindow *fb_cw)
+{
+ return NSERROR_OK;
+}
diff --git a/frontends/kolibrios/fb/corewindow.h b/frontends/kolibrios/fb/corewindow.h
new file mode 100644
index 0000000..5546c09
--- a/dev/null
+++ b/frontends/kolibrios/fb/corewindow.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2017 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FB_COREWINDOW_H
+#define FB_COREWINDOW_H
+
+#include "netsurf/core_window.h"
+
+/**
+ * fb core window state
+ */
+struct fb_corewindow {
+
+ /**
+ * framebuffer toolkit window.
+ */
+ struct fbtk_widget_s *wnd;
+ /**
+ * framebuffer toolkit horizontal scrollbar.
+ */
+ struct fbtk_widget_s *hscroll;
+ /**
+ * framebuffer toolkit vertical scrollbar.
+ */
+ struct fbtk_widget_s *vscroll;
+ /**
+ * framebuffer toolkit user drawable widget.
+ */
+ struct fbtk_widget_s *drawable;
+
+ int scrollx, scrolly; /**< scroll offsets. */
+
+
+ /** drag status set by core */
+ core_window_drag_status drag_status;
+
+ /** table of callbacks for core window operations */
+ struct core_window_callback_table *cb_table;
+
+ /**
+ * callback to draw on drawable area of fb core window
+ *
+ * \param fb_cw The fb core window structure.
+ * \param r The rectangle of the window that needs updating.
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+ nserror (*draw)(struct fb_corewindow *fb_cw, struct rect *r);
+
+ /**
+ * callback for keypress on fb core window
+ *
+ * \param fb_cw The fb core window structure.
+ * \param nskey The netsurf key code.
+ * \return NSERROR_OK if key processed,
+ * NSERROR_NOT_IMPLEMENTED if key not processed
+ * otherwise apropriate error code
+ */
+ nserror (*key)(struct fb_corewindow *fb_cw, uint32_t nskey);
+
+ /**
+ * callback for mouse event on fb core window
+ *
+ * \param fb_cw The fb core window structure.
+ * \param mouse_state mouse state
+ * \param x location of event
+ * \param y location of event
+ * \return NSERROR_OK on sucess otherwise apropriate error code.
+ */
+ nserror (*mouse)(struct fb_corewindow *fb_cw, browser_mouse_state mouse_state, int x, int y);
+};
+
+
+/**
+ * initialise elements of fb core window.
+ *
+ * As a pre-requisite the draw, key and mouse callbacks must be defined
+ *
+ * \param fb_cw A fb core window structure to initialise
+ * \return NSERROR_OK on successful initialisation otherwise error code.
+ */
+nserror fb_corewindow_init(fbtk_widget_t *parent, struct fb_corewindow *fb_cw);
+
+
+/**
+ * finalise elements of fb core window.
+ *
+ * \param fb_cw A fb core window structure to initialise
+ * \return NSERROR_OK on successful finalisation otherwise error code.
+ */
+nserror fb_corewindow_fini(struct fb_corewindow *fb_cw);
+
+#endif