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author | Vincent Sanders <vince@kyllikki.org> | 2017-06-10 15:34:45 +0100 |
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committer | Vincent Sanders <vince@kyllikki.org> | 2017-06-10 15:35:36 +0100 |
commit | 4b9aaee6cdfe9d38683db75ca0de52f45045596a (patch) | |
tree | 0bd88fe5141d32bff64eba342bc3403e76b96b9d /frontends/framebuffer/local_history.c | |
parent | e25eedab66d218e608d15fda593001b8073f3e67 (diff) | |
download | netsurf-4b9aaee6cdfe9d38683db75ca0de52f45045596a.tar.gz netsurf-4b9aaee6cdfe9d38683db75ca0de52f45045596a.tar.bz2 |
update framebuffer to have corewindow interface and use it for localhistory
Diffstat (limited to 'frontends/framebuffer/local_history.c')
-rw-r--r-- | frontends/framebuffer/local_history.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/frontends/framebuffer/local_history.c b/frontends/framebuffer/local_history.c new file mode 100644 index 000000000..520129852 --- /dev/null +++ b/frontends/framebuffer/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 = malloc(sizeof(struct fb_local_history_window)); + 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; + +} |