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-rw-r--r--frontends/windows/local_history.c259
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diff --git a/frontends/windows/local_history.c b/frontends/windows/local_history.c
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+/*
+ * 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 win32 local history interface.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <windows.h>
+
+#include "utils/log.h"
+#include "utils/nsoption.h"
+#include "netsurf/keypress.h"
+#include "netsurf/plotters.h"
+#include "desktop/local_history.h"
+
+#include "windows/plot.h"
+#include "windows/corewindow.h"
+#include "windows/local_history.h"
+
+
+struct nsw32_local_history_window {
+ struct nsw32_corewindow core;
+
+ struct local_history_session *session;
+};
+
+static struct nsw32_local_history_window *local_history_window = NULL;
+
+/**
+ * callback for keypress on local_history window
+ *
+ * \param nsw32_cw The nsw32 core window structure.
+ * \param nskey The netsurf key code
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+static nserror
+nsw32_local_history_key(struct nsw32_corewindow *nsw32_cw, uint32_t nskey)
+{
+ struct nsw32_local_history_window *lhw;
+
+ lhw = (struct nsw32_local_history_window *)nsw32_cw;
+
+ if (local_history_keypress(lhw->session,nskey)) {
+ return NSERROR_OK;
+ }
+ return NSERROR_NOT_IMPLEMENTED;
+}
+
+/**
+ * callback for mouse action on local_history window
+ *
+ * \param nsw32_cw The nsw32 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
+nsw32_local_history_mouse(struct nsw32_corewindow *nsw32_cw,
+ browser_mouse_state mouse_state,
+ int x, int y)
+{
+ struct nsw32_local_history_window *lhw;
+
+ lhw = (struct nsw32_local_history_window *)nsw32_cw;
+
+ local_history_mouse_action(lhw->session, mouse_state, x, y);
+
+ return NSERROR_OK;
+}
+
+/**
+ * callback on draw event for local_history window
+ *
+ * \param nsw32_cw The nsw32 core window structure.
+ * \param scrollx The horizontal scroll offset.
+ * \param scrolly The vertical scroll offset.
+ * \param r The rectangle of the window that needs updating.
+ * \return NSERROR_OK on success otherwise apropriate error code
+ */
+static nserror
+nsw32_local_history_draw(struct nsw32_corewindow *nsw32_cw,
+ int scrollx,
+ int scrolly,
+ struct rect *r)
+{
+ struct nsw32_local_history_window *lhw;
+ struct redraw_context ctx = {
+ .interactive = true,
+ .background_images = true,
+ .plot = &win_plotters
+ };
+
+ lhw = (struct nsw32_local_history_window *)nsw32_cw;
+
+ local_history_redraw(lhw->session,
+ r->x0 - scrollx,
+ r->y0 - scrolly,
+ r,
+ &ctx);
+
+ return NSERROR_OK;
+}
+
+
+static nserror
+nsw32_local_history_close(struct nsw32_corewindow *nsw32_cw)
+{
+ ShowWindow(nsw32_cw->hWnd, SW_HIDE);
+
+ return NSERROR_OK;
+}
+
+/**
+ * Creates the window for the local_history tree.
+ *
+ * \return NSERROR_OK on success else appropriate error code on faliure.
+ */
+static nserror
+nsw32_local_history_init(HINSTANCE hInstance,
+ struct browser_window *bw,
+ struct nsw32_local_history_window **win_out)
+{
+ struct nsw32_local_history_window *ncwin;
+ nserror res;
+
+ if ((*win_out) != NULL) {
+ res = local_history_set((*win_out)->session, bw);
+ return res;
+ }
+
+ ncwin = malloc(sizeof(struct nsw32_local_history_window));
+ if (ncwin == NULL) {
+ return NSERROR_NOMEM;
+ }
+
+ ncwin->core.title = "NetSurf Local History";
+ ncwin->core.draw = nsw32_local_history_draw;
+ ncwin->core.key = nsw32_local_history_key;
+ ncwin->core.mouse = nsw32_local_history_mouse;
+ ncwin->core.close = nsw32_local_history_close;
+
+ res = nsw32_corewindow_init(hInstance, NULL, &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;
+ }
+
+ /* memoise window so it can be represented when necessary
+ * instead of recreating every time.
+ */
+ *win_out = ncwin;
+
+ return NSERROR_OK;
+}
+
+
+/* exported interface documented in windows/local_history.h */
+nserror
+nsw32_local_history_present(HWND hWndParent, struct browser_window *bw)
+{
+ nserror res;
+ HINSTANCE hInstance;
+ RECT parentr;
+ int width, height;
+ int margin = 50;
+
+ hInstance = (HINSTANCE)GetWindowLongPtr(hWndParent, GWLP_HINSTANCE);
+
+ res = nsw32_local_history_init(hInstance, bw, &local_history_window);
+ if (res == NSERROR_OK) {
+ GetWindowRect(hWndParent, &parentr);
+
+ /* resize history widget ensureing the drawing area is
+ * no larger than parent window
+ */
+ res = local_history_get_size(local_history_window->session,
+ &width,
+ &height);
+ width += margin;
+ height += margin;
+ if ((parentr.right - parentr.left - margin) < width) {
+ width = parentr.right - parentr.left - margin;
+ }
+ if ((parentr.bottom - parentr.top - margin) < height) {
+ height = parentr.bottom - parentr.top - margin;
+ }
+ SetWindowPos(local_history_window->core.hWnd,
+ HWND_TOP,
+ parentr.left + (margin/2),
+ parentr.top + (margin/2),
+ width,
+ height,
+ SWP_SHOWWINDOW);
+ }
+ return res;
+}
+
+
+/* exported interface documented in windows/local_history.h */
+nserror nsw32_local_history_hide(void)
+{
+ nserror res = NSERROR_OK;
+
+ if (local_history_window != NULL) {
+ ShowWindow(local_history_window->core.hWnd, SW_HIDE);
+
+ res = local_history_set(local_history_window->session, NULL);
+ }
+
+ return res;
+}
+
+/* exported interface documented in windows/local_history.h */
+nserror nsw32_local_history_finalise(void)
+{
+ nserror res;
+
+ if (local_history_window == NULL) {
+ return NSERROR_OK;
+ }
+
+ res = local_history_fini(local_history_window->session);
+ if (res == NSERROR_OK) {
+ res = nsw32_corewindow_fini(&local_history_window->core);
+ DestroyWindow(local_history_window->core.hWnd);
+ free(local_history_window);
+ local_history_window = NULL;
+ }
+
+ return res;
+}