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authorVincent Sanders <vince@kyllikki.org>2017-02-19 11:39:47 +0000
committerVincent Sanders <vince@kyllikki.org>2017-02-19 11:39:47 +0000
commitae45b18b459fa4f490501a93459e49f1f1038073 (patch)
treef0d8a3356a74c0a448f6d8ad5f4e4b22fc3c384c /frontends/gtk/local_history.c
parent67b22a811128f5a0635430151a73442d1f100735 (diff)
parent0f69965805dda51cc7b6ea8404226d5f75a3b533 (diff)
downloadnetsurf-ae45b18b459fa4f490501a93459e49f1f1038073.tar.gz
netsurf-ae45b18b459fa4f490501a93459e49f1f1038073.tar.bz2
Merge branch 'vince/localhist-corewin'
Diffstat (limited to 'frontends/gtk/local_history.c')
-rw-r--r--frontends/gtk/local_history.c284
1 files changed, 284 insertions, 0 deletions
diff --git a/frontends/gtk/local_history.c b/frontends/gtk/local_history.c
new file mode 100644
index 000000000..db13aa4da
--- /dev/null
+++ b/frontends/gtk/local_history.c
@@ -0,0 +1,284 @@
+/*
+ * 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 GTK local history manager.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <gtk/gtk.h>
+
+#include "utils/log.h"
+#include "netsurf/keypress.h"
+#include "netsurf/plotters.h"
+#include "desktop/local_history.h"
+
+#include "gtk/compat.h"
+#include "gtk/plotters.h"
+#include "gtk/resources.h"
+#include "gtk/corewindow.h"
+#include "gtk/local_history.h"
+
+struct nsgtk_local_history_window {
+ struct nsgtk_corewindow core;
+
+ GtkBuilder *builder;
+
+ GtkWindow *wnd;
+
+ struct local_history_session *session;
+};
+
+static struct nsgtk_local_history_window *local_history_window = NULL;
+
+
+
+/**
+ * callback for mouse action on local history window
+ *
+ * \param nsgtk_cw The nsgtk 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
+nsgtk_local_history_mouse(struct nsgtk_corewindow *nsgtk_cw,
+ browser_mouse_state mouse_state,
+ int x, int y)
+{
+ struct nsgtk_local_history_window *lhw;
+ /* technically degenerate container of */
+ lhw = (struct nsgtk_local_history_window *)nsgtk_cw;
+
+ local_history_mouse_action(lhw->session, mouse_state, x, y);
+
+ return NSERROR_OK;
+}
+
+
+/**
+ * callback for keypress on local history window
+ *
+ * \param nsgtk_cw The nsgtk core window structure.
+ * \param nskey The netsurf key code
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+static nserror
+nsgtk_local_history_key(struct nsgtk_corewindow *nsgtk_cw, uint32_t nskey)
+{
+ struct nsgtk_local_history_window *lhw;
+ /* technically degenerate container of */
+ lhw = (struct nsgtk_local_history_window *)nsgtk_cw;
+
+ if (local_history_keypress(lhw->session, nskey)) {
+ return NSERROR_OK;
+ }
+ return NSERROR_NOT_IMPLEMENTED;
+}
+
+
+/**
+ * callback on draw event for local history window
+ *
+ * \param nsgtk_cw The nsgtk core window structure.
+ * \param r The rectangle of the window that needs updating.
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+static nserror
+nsgtk_local_history_draw(struct nsgtk_corewindow *nsgtk_cw, struct rect *r)
+{
+ struct redraw_context ctx = {
+ .interactive = true,
+ .background_images = true,
+ .plot = &nsgtk_plotters
+ };
+ struct nsgtk_local_history_window *lhw;
+ GtkAdjustment *vscroll;
+ GtkAdjustment *hscroll;
+ struct rect c;
+ int vscroll_val;
+ int hscroll_val;
+
+ vscroll = gtk_scrolled_window_get_vadjustment(nsgtk_cw->scrolled);
+ hscroll = gtk_scrolled_window_get_hadjustment(nsgtk_cw->scrolled);
+ vscroll_val = gtk_adjustment_get_value(vscroll);
+ hscroll_val = gtk_adjustment_get_value(hscroll);
+
+
+ /* technically degenerate container of */
+ lhw = (struct nsgtk_local_history_window *)nsgtk_cw;
+ c.x0 = r->x0 + hscroll_val;
+ c.y0 = r->y0 + vscroll_val;
+ c.x1 = r->x1 + hscroll_val;
+ c.y1 = r->y1 + vscroll_val;
+
+ ctx.plot->clip(&ctx, r);
+ local_history_redraw(lhw->session, r->x0, r->y0, 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
+nsgtk_local_history_init(struct browser_window *bw,
+ struct nsgtk_local_history_window **win_out)
+{
+ struct nsgtk_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 = malloc(sizeof(struct nsgtk_local_history_window));
+ if (ncwin == NULL) {
+ return NSERROR_NOMEM;
+ }
+
+ res = nsgtk_builder_new_from_resname("localhistory", &ncwin->builder);
+ if (res != NSERROR_OK) {
+ LOG("Local history UI builder init failed");
+ free(ncwin);
+ return res;
+ }
+
+ gtk_builder_connect_signals(ncwin->builder, NULL);
+
+ ncwin->wnd = GTK_WINDOW(gtk_builder_get_object(ncwin->builder,
+ "wndHistory"));
+
+ ncwin->core.scrolled = GTK_SCROLLED_WINDOW(
+ gtk_builder_get_object(ncwin->builder,
+ "HistoryScrolled"));
+
+ ncwin->core.drawing_area = GTK_DRAWING_AREA(
+ gtk_builder_get_object(ncwin->builder,
+ "HistoryDrawingArea"));
+
+ /* make the delete event hide the window */
+ g_signal_connect(G_OBJECT(ncwin->wnd),
+ "delete_event",
+ G_CALLBACK(gtk_widget_hide_on_delete),
+ NULL);
+
+ ncwin->core.draw = nsgtk_local_history_draw;
+ ncwin->core.key = nsgtk_local_history_key;
+ ncwin->core.mouse = nsgtk_local_history_mouse;
+
+ res = nsgtk_corewindow_init(&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 nsgtk_local_history_present(GtkWindow *parent,
+ struct browser_window *bw)
+{
+ nserror res;
+ int prnt_width, prnt_height;
+ int width, height;
+ res = nsgtk_local_history_init(bw, &local_history_window);
+ if (res == NSERROR_OK) {
+ gtk_window_set_transient_for(local_history_window->wnd, parent);
+
+ gtk_window_get_size(parent, &prnt_width, &prnt_height);
+
+ /* 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;
+ }
+ gtk_window_resize(local_history_window->wnd, width, height);
+
+ gtk_window_present(local_history_window->wnd);
+ }
+
+ return res;
+}
+
+
+/* exported function documented gtk/history.h */
+nserror nsgtk_local_history_hide(void)
+{
+ nserror res = NSERROR_OK;
+
+ if (local_history_window != NULL) {
+ gtk_widget_hide(GTK_WIDGET(local_history_window->wnd));
+
+ res = local_history_set(local_history_window->session, NULL);
+ }
+
+ return res;
+}
+
+
+/* exported function documented gtk/history.h */
+nserror nsgtk_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 = nsgtk_corewindow_fini(&local_history_window->core);
+ gtk_widget_destroy(GTK_WIDGET(local_history_window->wnd));
+ g_object_unref(G_OBJECT(local_history_window->builder));
+ free(local_history_window);
+ local_history_window = NULL;
+ }
+
+ return res;
+
+}