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authorAshish Gupta <ashmew2@gmail.com>2017-09-16 17:38:55 (GMT)
committer Ashish Gupta <ashmew2@gmail.com>2017-09-16 17:38:55 (GMT)
commitad1165ef129ab3d87e271d58b45f57651b8b0e47 (patch)
treea9c493c615024d31bfb226a81200f7fcc2d414ba
parent4519e547a84542c1a4da3d05102e5fc9c06ae36b (diff)
downloadnetsurf-ad1165ef129ab3d87e271d58b45f57651b8b0e47.tar.gz
netsurf-ad1165ef129ab3d87e271d58b45f57651b8b0e47.tar.bz2
Add local_history
-rw-r--r--frontends/kolibrios/fb/local_history.c248
-rw-r--r--frontends/kolibrios/fb/local_history.h49
2 files changed, 297 insertions, 0 deletions
diff --git a/frontends/kolibrios/fb/local_history.c b/frontends/kolibrios/fb/local_history.c
new file mode 100644
index 0000000..cc45b1f
--- a/dev/null
+++ b/frontends/kolibrios/fb/local_history.c
@@ -0,0 +1,248 @@
+/*
+ * 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
+ * Implementation of framebuffer local history manager.
+ */
+
+#include <stdint.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 "netsurf/keypress.h"
+#include "netsurf/plotters.h"
+#include "desktop/local_history.h"
+
+#include "framebuffer/gui.h"
+#include "framebuffer/fbtk.h"
+#include "framebuffer/framebuffer.h"
+#include "framebuffer/corewindow.h"
+#include "framebuffer/local_history.h"
+
+struct fb_local_history_window {
+ struct fb_corewindow core;
+
+ struct local_history_session *session;
+};
+
+static struct fb_local_history_window *local_history_window = NULL;
+
+
+/**
+ * callback for mouse action on local history window
+ *
+ * \param fb_cw The fb core window structure.
+ * \param mouse_state netsurf mouse state on event
+ * \param x location of event
+ * \param y location of event
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+static nserror
+fb_local_history_mouse(struct fb_corewindow *fb_cw,
+ browser_mouse_state mouse_state,
+ int x, int y)
+{
+ struct fb_local_history_window *lhw;
+ /* technically degenerate container of */
+ lhw = (struct fb_local_history_window *)fb_cw;
+
+ local_history_mouse_action(lhw->session, mouse_state, x, y);
+
+ if (mouse_state != BROWSER_MOUSE_HOVER) {
+ fbtk_set_mapping(lhw->core.wnd, false);
+ }
+
+ return NSERROR_OK;
+}
+
+
+/**
+ * callback for keypress on local history window
+ *
+ * \param fb_cw The fb core window structure.
+ * \param nskey The netsurf key code
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+static nserror
+fb_local_history_key(struct fb_corewindow *fb_cw, uint32_t nskey)
+{
+ struct fb_local_history_window *lhw;
+ /* technically degenerate container of */
+ lhw = (struct fb_local_history_window *)fb_cw;
+
+ if (local_history_keypress(lhw->session, nskey)) {
+ return NSERROR_OK;
+ }
+ return NSERROR_NOT_IMPLEMENTED;
+}
+
+
+/**
+ * callback on draw event for local history 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
+ */
+static nserror
+fb_local_history_draw(struct fb_corewindow *fb_cw, struct rect *r)
+{
+ struct redraw_context ctx = {
+ .interactive = true,
+ .background_images = true,
+ .plot = &fb_plotters
+ };
+ struct fb_local_history_window *lhw;
+
+ /* technically degenerate container of */
+ lhw = (struct fb_local_history_window *)fb_cw;
+
+ local_history_redraw(lhw->session, 0, 0, r, &ctx);
+
+ return NSERROR_OK;
+}
+
+/**
+ * Creates the window for the local history view.
+ *
+ * \return NSERROR_OK on success else appropriate error code on faliure.
+ */
+static nserror
+fb_local_history_init(fbtk_widget_t *parent,
+ struct browser_window *bw,
+ struct fb_local_history_window **win_out)
+{
+ struct fb_local_history_window *ncwin;
+ nserror res;
+
+ /* memoise window so it can be represented when necessary
+ * instead of recreating every time.
+ */
+ if ((*win_out) != NULL) {
+ res = local_history_set((*win_out)->session, bw);
+ return res;
+ }
+
+ ncwin = calloc(1, sizeof(*ncwin));
+ if (ncwin == NULL) {
+ return NSERROR_NOMEM;
+ }
+
+ ncwin->core.draw = fb_local_history_draw;
+ ncwin->core.key = fb_local_history_key;
+ ncwin->core.mouse = fb_local_history_mouse;
+
+ res = fb_corewindow_init(parent, &ncwin->core);
+ if (res != NSERROR_OK) {
+ free(ncwin);
+ return res;
+ }
+
+ res = local_history_init(ncwin->core.cb_table,
+ (struct core_window *)ncwin,
+ bw,
+ &ncwin->session);
+ if (res != NSERROR_OK) {
+ free(ncwin);
+ return res;
+ }
+
+ *win_out = ncwin;
+
+ return NSERROR_OK;
+}
+
+
+/* exported function documented gtk/history.h */
+nserror fb_local_history_present(fbtk_widget_t *parent,
+ struct browser_window *bw)
+{
+ nserror res;
+ int prnt_width, prnt_height;
+ int width, height;
+
+ res = fb_local_history_init(parent, bw, &local_history_window);
+ if (res == NSERROR_OK) {
+
+ prnt_width = fbtk_get_width(parent);
+ prnt_height = fbtk_get_height(parent);
+
+ /* resize history widget ensureing the drawing area is
+ * no larger than parent window
+ */
+ res = local_history_get_size(local_history_window->session,
+ &width,
+ &height);
+ if (width > prnt_width) {
+ width = prnt_width;
+ }
+ if (height > prnt_height) {
+ height = prnt_height;
+ }
+ /* should update scroll area with contents */
+
+ fbtk_set_zorder(local_history_window->core.wnd, INT_MIN);
+ fbtk_set_mapping(local_history_window->core.wnd, true);
+ }
+
+ return res;
+}
+
+
+/* exported function documented gtk/history.h */
+nserror fb_local_history_hide(void)
+{
+ nserror res = NSERROR_OK;
+
+ if (local_history_window != NULL) {
+ fbtk_set_mapping(local_history_window->core.wnd, false);
+
+ res = local_history_set(local_history_window->session, NULL);
+ }
+
+ return res;
+}
+
+
+/* exported function documented gtk/history.h */
+nserror fb_local_history_destroy(void)
+{
+ nserror res;
+
+ if (local_history_window == NULL) {
+ return NSERROR_OK;
+ }
+
+ res = local_history_fini(local_history_window->session);
+ if (res == NSERROR_OK) {
+ res = fb_corewindow_fini(&local_history_window->core);
+ //gtk_widget_destroy(GTK_WIDGET(local_history_window->wnd));
+ free(local_history_window);
+ local_history_window = NULL;
+ }
+
+ return res;
+
+}
diff --git a/frontends/kolibrios/fb/local_history.h b/frontends/kolibrios/fb/local_history.h
new file mode 100644
index 0000000..929eeac
--- a/dev/null
+++ b/frontends/kolibrios/fb/local_history.h
@@ -0,0 +1,49 @@
+/*
+ * 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
+ * Interface to framebuffer local history manager
+ */
+
+#ifndef FB_LOCAL_HISTORY_H
+#define FB_LOCAL_HISTORY_H
+
+struct browser_window;
+
+/**
+ * make the local history window visible.
+ *
+ * \return NSERROR_OK on success else appropriate error code on faliure.
+ */
+nserror fb_local_history_present(fbtk_widget_t *parent, struct browser_window *bw);
+
+/**
+ * hide the local history window from being visible.
+ *
+ * \return NSERROR_OK on success else appropriate error code on faliure.
+ */
+nserror fb_local_history_hide(void);
+
+/**
+ * Destroys the local history window and performs any other necessary cleanup
+ * actions.
+ */
+nserror fb_local_history_destroy(void);
+
+#endif