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-rw-r--r--gtk/window.c1123
1 files changed, 1123 insertions, 0 deletions
diff --git a/gtk/window.c b/gtk/window.c
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index 000000000..d3ab49d3e
--- /dev/null
+++ b/gtk/window.c
@@ -0,0 +1,1123 @@
+/*
+ * Copyright 2006 Daniel Silverstone <dsilvers@digital-scurf.org>
+ * Copyright 2006 Rob Kendrick <rjek@rjek.com>
+ *
+ * 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/>.
+ */
+
+#include <inttypes.h>
+#include <string.h>
+#include <limits.h>
+#include <assert.h>
+
+#include <gdk/gdkkeysyms.h>
+
+#include "content/hlcache.h"
+#include "gtk/window.h"
+#include "desktop/browser.h"
+#include "desktop/mouse.h"
+#include "desktop/options.h"
+#include "desktop/searchweb.h"
+#include "desktop/textinput.h"
+#include "desktop/selection.h"
+#include "gtk/compat.h"
+#include "gtk/gui.h"
+#include "gtk/options.h"
+#include "gtk/scaffolding.h"
+#include "gtk/plotters.h"
+#include "gtk/schedule.h"
+#include "gtk/tabs.h"
+#include "utils/log.h"
+#include "utils/utils.h"
+
+struct gui_window {
+ /* All gui_window objects have an ultimate scaffold */
+ nsgtk_scaffolding *scaffold;
+ /**< the gtk object containing menu, buttons, url bar, [tabs],
+ * drawing area, etc that may contain 1 -> several gui_windows */
+ struct browser_window *bw;
+ /**< the 'content' window that is rendered in the gui_window*/
+
+ struct {
+ struct gui_window *gui;
+ struct box *box;
+
+ gdouble pressed_x;
+ gdouble pressed_y;
+ gboolean waiting;
+ browser_mouse_state state;
+ } mouse; /**< contains mouse state / events */
+
+ int caretx, carety, careth;
+ /**< storage caret dimension / location for rendering */
+ gui_pointer_shape current_pointer;
+ /**< storage caret shape for rendering */
+ int last_x, last_y;
+ /**< storage caret location for rendering */
+
+ GtkLayout *layout; /**< display widget for this page or frame */
+ GtkScrolledWindow *scrolledwindow;
+ /**< frames only; top level of gtk structure of gui_window */
+ GtkWidget *tab; /**< the visible tab */
+ GtkLabel *status_bar;
+ GtkPaned *paned; /**< statusbar/scrollbar paned */
+ gulong signalhandler[NSGTK_WINDOW_SIGNAL_COUNT];
+ /**< to allow disactivation / resume of normal window behaviour */
+ struct gui_window *next, *prev; /**< list for eventual cleanup */
+};
+
+struct gui_window *window_list = NULL; /**< first entry in win list*/
+int temp_open_background = -1;
+
+
+static void nsgtk_gui_window_attach_child(struct gui_window *parent,
+ struct gui_window *child);
+/* Methods which apply only to a gui_window */
+static gboolean nsgtk_window_expose_event(GtkWidget *, GdkEventExpose *,
+ gpointer);
+static gboolean nsgtk_window_motion_notify_event(GtkWidget *, GdkEventMotion *,
+ gpointer);
+static gboolean nsgtk_window_button_press_event(GtkWidget *, GdkEventButton *,
+ gpointer);
+static gboolean nsgtk_window_button_release_event(GtkWidget *, GdkEventButton *,
+ gpointer);
+static gboolean nsgtk_window_scroll_event(GtkWidget *, GdkEventScroll *,
+ gpointer);
+static gboolean nsgtk_window_keypress_event(GtkWidget *, GdkEventKey *,
+ gpointer);
+static gboolean nsgtk_window_size_allocate_event(GtkWidget *, GtkAllocation *,
+ gpointer);
+
+/* Other useful bits */
+static void nsgtk_redraw_caret(struct gui_window *g);
+
+static GdkCursor *nsgtk_create_menu_cursor(void);
+
+nsgtk_scaffolding *nsgtk_get_scaffold(struct gui_window *g)
+{
+ return g->scaffold;
+}
+
+struct browser_window *gui_window_get_browser_window(struct gui_window *g)
+{
+ return g->bw;
+}
+
+unsigned long nsgtk_window_get_signalhandler(struct gui_window *g, int i)
+{
+ return g->signalhandler[i];
+}
+
+GtkLayout *nsgtk_window_get_layout(struct gui_window *g)
+{
+ return g->layout;
+}
+
+GtkWidget *nsgtk_window_get_tab(struct gui_window *g)
+{
+ return g->tab;
+}
+
+void nsgtk_window_set_tab(struct gui_window *g, GtkWidget *w)
+{
+ g->tab = w;
+}
+
+
+struct gui_window *nsgtk_window_iterate(struct gui_window *g)
+{
+ return g->next;
+}
+
+float nsgtk_get_scale_for_gui(struct gui_window *g)
+{
+ return g->bw->scale;
+}
+
+/* Create a gui_window */
+struct gui_window *gui_create_browser_window(struct browser_window *bw,
+ struct browser_window *clone,
+ bool new_tab)
+{
+ struct gui_window *g; /**< what we're creating to return */
+ GtkPolicyType scrollpolicy;
+
+ g = calloc(1, sizeof(*g));
+ if (!g) {
+ warn_user("NoMemory", 0);
+ return 0;
+ }
+
+ LOG(("Creating gui window %p for browser window %p", g, bw));
+
+ g->bw = bw;
+ g->paned = NULL;
+ g->mouse.state = 0;
+ g->current_pointer = GUI_POINTER_DEFAULT;
+ if (clone != NULL)
+ bw->scale = clone->scale;
+ else
+ bw->scale = (float) option_scale / 100;
+
+ g->careth = 0;
+
+ if (bw->parent != NULL)
+ /* Find our parent's scaffolding */
+ g->scaffold = bw->parent->window->scaffold;
+ else if (new_tab)
+ g->scaffold = clone->window->scaffold;
+ else
+ /* Now construct and attach a scaffold */
+ g->scaffold = nsgtk_new_scaffolding(g);
+ if (g->scaffold == NULL) {
+ warn_user("NoMemory", 0);
+ free(g);
+ return NULL;
+ }
+
+ /* Construct our primary elements */
+ if (bw->parent == NULL) {
+ /* top-level document (not a frame) => create a new tab */
+ GladeXML *xml = glade_xml_new(glade_netsurf_file_location, "tabContents", NULL);
+ if (!xml) {
+ warn_user("MiscError", "Failed to create tab contents");
+ free(g);
+ return 0;
+ }
+
+ GtkWidget *tab_contents = glade_xml_get_widget(xml, "tabContents");
+ g->layout = GTK_LAYOUT(glade_xml_get_widget(xml, "layout"));
+ g->status_bar = GTK_LABEL(glade_xml_get_widget(xml, "status_bar"));
+ g->paned = GTK_PANED(glade_xml_get_widget(xml, "hpaned1"));
+
+ /* connect the scrollbars to the layout widget */
+ gtk_layout_set_hadjustment(g->layout,
+ gtk_range_get_adjustment(GTK_RANGE(
+ glade_xml_get_widget(xml, "hscrollbar"))));
+ gtk_layout_set_vadjustment(g->layout,
+ gtk_range_get_adjustment(GTK_RANGE(
+ glade_xml_get_widget(xml, "vscrollbar"))));
+
+ /* add the tab to the scaffold */
+ bool tempback = true;
+ switch (temp_open_background) {
+ case -1:
+ tempback = !(option_focus_new);
+ break;
+ case 0:
+ tempback = false;
+ break;
+ case 1:
+ tempback = true;
+ break;
+ }
+ g_object_set_data(G_OBJECT(tab_contents), "gui_window", g);
+ nsgtk_tab_add(g, tab_contents, tempback);
+
+ g_object_unref(xml);
+
+ } else {
+ /* frame or iframe => create a child layout */
+ g->layout = GTK_LAYOUT(gtk_layout_new(NULL, NULL));
+ gtk_container_set_border_width(GTK_CONTAINER(g->layout), 0);
+
+ g->scrolledwindow = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
+ g_object_set_data(G_OBJECT(g->scrolledwindow), "gui_window", g);
+ gtk_container_add(GTK_CONTAINER(g->scrolledwindow), GTK_WIDGET(g->layout));
+ gtk_scrolled_window_set_shadow_type(g->scrolledwindow,
+ GTK_SHADOW_NONE);
+ g->tab = NULL;
+
+ /* Attach ourselves into our parent at the right point */
+ nsgtk_gui_window_attach_child(bw->parent->window, g);
+
+ gtk_widget_show(GTK_WIDGET(g->scrolledwindow));
+ }
+
+ switch(bw->scrolling) {
+ case SCROLLING_NO:
+ scrollpolicy = GTK_POLICY_NEVER;
+ break;
+ case SCROLLING_YES:
+ scrollpolicy = GTK_POLICY_ALWAYS;
+ break;
+ case SCROLLING_AUTO:
+ default:
+ scrollpolicy = GTK_POLICY_AUTOMATIC;
+ break;
+ }
+
+ switch (bw->browser_window_type) {
+ case BROWSER_WINDOW_FRAMESET:
+ if (g->scrolledwindow)
+ gtk_scrolled_window_set_policy(g->scrolledwindow,
+ GTK_POLICY_NEVER,
+ GTK_POLICY_NEVER);
+ break;
+ case BROWSER_WINDOW_FRAME:
+ if (g->scrolledwindow)
+ gtk_scrolled_window_set_policy(g->scrolledwindow,
+ scrollpolicy,
+ scrollpolicy);
+ break;
+ case BROWSER_WINDOW_NORMAL:
+ if (g->scrolledwindow)
+ gtk_scrolled_window_set_policy(g->scrolledwindow,
+ scrollpolicy,
+ scrollpolicy);
+ break;
+ case BROWSER_WINDOW_IFRAME:
+ if (g->scrolledwindow)
+ gtk_scrolled_window_set_policy(g->scrolledwindow,
+ scrollpolicy,
+ scrollpolicy);
+ break;
+ }
+
+ /* Attach ourselves to the list (push_top) */
+ if (window_list)
+ window_list->prev = g;
+ g->next = window_list;
+ g->prev = NULL;
+ window_list = g;
+
+ /* set the events we're interested in receiving from the browser's
+ * drawing area.
+ */
+ gtk_widget_add_events(GTK_WIDGET(g->layout),
+ GDK_EXPOSURE_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK |
+ GDK_SCROLL_MASK);
+ nsgtk_widget_set_can_focus(GTK_WIDGET(g->layout), TRUE);
+
+ /* set the default background colour of the drawing area to white. */
+ gtk_widget_modify_bg(GTK_WIDGET(g->layout), GTK_STATE_NORMAL,
+ &((GdkColor) { 0, 0xffff, 0xffff, 0xffff } ));
+
+#define CONNECT(obj, sig, callback, ptr) \
+ g_signal_connect(G_OBJECT(obj), (sig), G_CALLBACK(callback), (ptr))
+ g->signalhandler[NSGTK_WINDOW_SIGNAL_REDRAW] =
+ CONNECT(g->layout, "expose_event",
+ nsgtk_window_expose_event, g);
+ CONNECT(g->layout, "motion_notify_event",
+ nsgtk_window_motion_notify_event, g);
+ g->signalhandler[NSGTK_WINDOW_SIGNAL_CLICK] =
+ CONNECT(g->layout, "button_press_event",
+ nsgtk_window_button_press_event, g);
+ CONNECT(g->layout, "button_release_event",
+ nsgtk_window_button_release_event, g);
+ CONNECT(g->layout, "key_press_event",
+ nsgtk_window_keypress_event, g);
+ CONNECT(g->layout, "size_allocate",
+ nsgtk_window_size_allocate_event, g);
+ CONNECT(g->layout, "scroll_event",
+ nsgtk_window_scroll_event, g);
+ return g;
+}
+
+static void nsgtk_gui_window_attach_child(struct gui_window *parent,
+ struct gui_window *child)
+{
+ /* Attach the child gui_window (frame) into the parent.
+ * It will be resized later on.
+ */
+ GtkLayout *parent_layout = parent->layout;
+ GtkWidget *child_widget = GTK_WIDGET(child->scrolledwindow);
+ gtk_layout_put(parent_layout, child_widget, 0, 0);
+}
+
+void gui_window_position_frame(struct gui_window *g, int x0, int y0, int x1, int y1)
+{
+ /* g is a child frame, we need to place it relative to its parent */
+ GtkWidget *w = GTK_WIDGET(g->scrolledwindow);
+ GtkLayout *f = g->bw->parent->window->layout;
+ int width = x1 - x0 + 2, height = y1 - y0 + 2;
+ assert(w);
+ assert(f);
+
+ if (width < 1)
+ width = 1;
+ if (height < 1)
+ height = 1;
+
+ LOG(("%s: %d,%d %dx%d", g->bw->name, x0, y0, width, height));
+
+ /* if the window has not changed position or size, do not bother
+ * moving/resising it.
+ */
+
+ LOG((" current: %d,%d %dx%d",
+ w->allocation.x, w->allocation.y,
+ w->allocation.width, w->allocation.height));
+
+ if (w->allocation.x != x0 || w->allocation.y != y0 ||
+ w->allocation.width != width ||
+ w->allocation.height != height) {
+ LOG((" frame has moved/resized."));
+ gtk_layout_move(f, w, x0, y0);
+ gtk_widget_set_size_request(w, width, height);
+ }
+}
+
+gboolean nsgtk_window_expose_event(GtkWidget *widget,
+ GdkEventExpose *event, gpointer data)
+{
+ struct gui_window *g = data;
+ hlcache_handle *c;
+ float scale = g->bw->scale;
+
+ assert(g);
+ assert(g->bw);
+
+ struct gui_window *z;
+ for (z = window_list; z && z != g; z = z->next)
+ continue;
+ assert(z);
+ assert(GTK_WIDGET(g->layout) == widget);
+
+ c = g->bw->current_content;
+ if (c == NULL)
+ return FALSE;
+
+ /* HTML rendering handles scale itself */
+ if (content_get_type(c) == CONTENT_HTML)
+ scale = 1;
+
+ current_widget = (GtkWidget *)g->layout;
+ current_drawable = g->layout->bin_window;
+ current_gc = gdk_gc_new(current_drawable);
+#ifdef CAIRO_VERSION
+ current_cr = gdk_cairo_create(current_drawable);
+#endif
+
+ plot = nsgtk_plotters;
+ nsgtk_plot_set_scale(g->bw->scale);
+ current_redraw_browser = g->bw;
+
+ plot.clip(event->area.x,
+ event->area.y,
+ event->area.x + event->area.width,
+ event->area.y + event->area.height);
+
+ content_redraw(c, 0, 0,
+ content_get_width(c) * scale,
+ content_get_height(c) * scale,
+ event->area.x,
+ event->area.y,
+ event->area.x + event->area.width,
+ event->area.y + event->area.height,
+ g->bw->scale, 0xFFFFFF);
+ current_redraw_browser = NULL;
+
+ if (g->careth != 0)
+ nsgtk_plot_caret(g->caretx, g->carety, g->careth);
+
+ current_widget = NULL;
+ g_object_unref(current_gc);
+#ifdef CAIRO_VERSION
+ cairo_destroy(current_cr);
+#endif
+
+ return FALSE;
+}
+
+gboolean nsgtk_window_motion_notify_event(GtkWidget *widget,
+ GdkEventMotion *event, gpointer data)
+{
+ struct gui_window *g = data;
+ bool shift = event->state & GDK_SHIFT_MASK;
+ bool ctrl = event->state & GDK_CONTROL_MASK;
+
+ if ((abs(event->x - g->last_x) < 5) &&
+ (abs(event->y - g->last_y) < 5)) {
+ /* Mouse hasn't moved far enough from press coordinate for this
+ * to be considered a drag. */
+ return FALSE;
+ } else {
+ /* This is a drag, ensure it's always treated as such, even if
+ * we drag back over the press location */
+ g->last_x = INT_MIN;
+ g->last_y = INT_MIN;
+ }
+
+ if (g->mouse.state & BROWSER_MOUSE_PRESS_1){
+ /* Start button 1 drag */
+ browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_1,
+ g->mouse.pressed_x, g->mouse.pressed_y);
+ /* Replace PRESS with HOLDING and declare drag in progress */
+ g->mouse.state ^= (BROWSER_MOUSE_PRESS_1 |
+ BROWSER_MOUSE_HOLDING_1);
+ g->mouse.state |= BROWSER_MOUSE_DRAG_ON;
+ }
+ else if (g->mouse.state & BROWSER_MOUSE_PRESS_2){
+ /* Start button 2 drag */
+ browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_2,
+ g->mouse.pressed_x, g->mouse.pressed_y);
+ /* Replace PRESS with HOLDING and declare drag in progress */
+ g->mouse.state ^= (BROWSER_MOUSE_PRESS_2 |
+ BROWSER_MOUSE_HOLDING_2);
+ g->mouse.state |= BROWSER_MOUSE_DRAG_ON;
+ }
+ /* Handle modifiers being removed */
+ if (g->mouse.state & BROWSER_MOUSE_MOD_1 && !shift)
+ g->mouse.state ^= BROWSER_MOUSE_MOD_1;
+ if (g->mouse.state & BROWSER_MOUSE_MOD_2 && !ctrl)
+ g->mouse.state ^= BROWSER_MOUSE_MOD_2;
+
+ browser_window_mouse_track(g->bw, g->mouse.state,
+ event->x / g->bw->scale, event->y / g->bw->scale);
+
+ return TRUE;
+}
+
+gboolean nsgtk_window_button_press_event(GtkWidget *widget,
+ GdkEventButton *event, gpointer data)
+{
+ struct gui_window *g = data;
+
+ gtk_widget_grab_focus(GTK_WIDGET(g->layout));
+ gtk_widget_hide(GTK_WIDGET(nsgtk_scaffolding_history_window(
+ g->scaffold)->window));
+
+ g->mouse.pressed_x = event->x / g->bw->scale;
+ g->mouse.pressed_y = event->y / g->bw->scale;
+
+ switch (event->button) {
+ case 1:
+ /* Left button, usually.
+ * Pass to core as BUTTON 1. */
+ g->mouse.state = BROWSER_MOUSE_PRESS_1;
+ break;
+ case 2:
+ /* Middle button, usually.
+ * Pass to core as BUTTON 2 */
+ g->mouse.state = BROWSER_MOUSE_PRESS_2;
+ break;
+ case 3:
+ /* Right button, usually.
+ * Front end action button -- context menu. */
+ browser_window_remove_caret(g->bw);
+ nsgtk_scaffolding_popup_menu(g->scaffold, g->mouse.pressed_x,
+ g->mouse.pressed_y);
+ return TRUE;
+ default:
+ return FALSE;
+ }
+ /* Handle the modifiers too */
+ if (event->state & GDK_SHIFT_MASK)
+ g->mouse.state |= BROWSER_MOUSE_MOD_1;
+ if (event->state & GDK_CONTROL_MASK)
+ g->mouse.state |= BROWSER_MOUSE_MOD_2;
+
+ /* Record where we pressed, for use when determining whether to start
+ * a drag in motion notify events. */
+ g->last_x = event->x;
+ g->last_y = event->y;
+
+ browser_window_mouse_click(g->bw, g->mouse.state, g->mouse.pressed_x,
+ g->mouse.pressed_y);
+
+ return TRUE;
+}
+
+gboolean nsgtk_window_button_release_event(GtkWidget *widget,
+ GdkEventButton *event, gpointer data)
+{
+ struct gui_window *g = data;
+ bool shift = event->state & GDK_SHIFT_MASK;
+ bool ctrl = event->state & GDK_CONTROL_MASK;
+
+ /* If the mouse state is PRESS then we are waiting for a release to emit
+ * a click event, otherwise just reset the state to nothing*/
+ if (g->mouse.state & BROWSER_MOUSE_PRESS_1)
+ g->mouse.state ^= (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1);
+ else if (g->mouse.state & BROWSER_MOUSE_PRESS_2)
+ g->mouse.state ^= (BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2);
+
+ /* Handle modifiers being removed */
+ if (g->mouse.state & BROWSER_MOUSE_MOD_1 && !shift)
+ g->mouse.state ^= BROWSER_MOUSE_MOD_1;
+ if (g->mouse.state & BROWSER_MOUSE_MOD_2 && !ctrl)
+ g->mouse.state ^= BROWSER_MOUSE_MOD_2;
+
+ if (g->mouse.state & (BROWSER_MOUSE_CLICK_1|BROWSER_MOUSE_CLICK_2))
+ browser_window_mouse_click(g->bw, g->mouse.state, event->x / g->bw->scale,
+ event->y / g->bw->scale);
+ else
+ browser_window_mouse_drag_end(g->bw, 0, event->x / g->bw->scale,
+ event->y / g->bw->scale);
+
+ g->mouse.state = 0;
+ return TRUE;
+}
+
+gboolean nsgtk_window_scroll_event(GtkWidget *widget,
+ GdkEventScroll *event, gpointer data)
+{
+ struct gui_window *g = data;
+ double value;
+ GtkAdjustment *vscroll = gtk_layout_get_vadjustment(g->layout);
+ GtkAdjustment *hscroll = gtk_layout_get_hadjustment(g->layout);
+ GtkAdjustment *scroll;
+ const GtkAllocation *const alloc =
+ &GTK_WIDGET(g->layout)->allocation;
+
+ switch (event->direction) {
+ case GDK_SCROLL_LEFT:
+ scroll = hscroll;
+ value = gtk_adjustment_get_value(scroll) -
+ (scroll->step_increment * 2);
+ if (value < scroll->lower)
+ value = scroll->lower;
+ break;
+
+ case GDK_SCROLL_UP:
+ scroll = vscroll;
+ value = gtk_adjustment_get_value(scroll) -
+ (scroll->step_increment * 2);
+ if (value < scroll->lower)
+ value = scroll->lower;
+ break;
+
+ case GDK_SCROLL_RIGHT:
+ scroll = hscroll;
+ value = gtk_adjustment_get_value(scroll) +
+ (scroll->step_increment * 2);
+ if (value > scroll->upper - alloc->width)
+ value = scroll->upper - alloc->width;
+ break;
+
+ case GDK_SCROLL_DOWN:
+ scroll = vscroll;
+ value = gtk_adjustment_get_value(scroll) +
+ (scroll->step_increment * 2);
+ if (value > scroll->upper - alloc->height)
+ value = scroll->upper - alloc->height;
+ break;
+ default:
+ return TRUE;
+ }
+
+ gtk_adjustment_set_value(scroll, value);
+
+ return TRUE;
+}
+
+gboolean nsgtk_window_keypress_event(GtkWidget *widget, GdkEventKey *event,
+ gpointer data)
+{
+ struct gui_window *g = data;
+ uint32_t nskey = gtk_gui_gdkkey_to_nskey(event);
+ if (browser_window_key_press(g->bw, nskey))
+ return TRUE;
+
+ if ((event->state & 0x7) == 0) {
+ double value;
+ GtkAdjustment *vscroll = gtk_layout_get_vadjustment(g->layout);
+
+ GtkAdjustment *hscroll = gtk_layout_get_hadjustment(g->layout);
+
+ GtkAdjustment *scroll;
+
+ const GtkAllocation *const alloc =
+ &GTK_WIDGET(g->layout)->allocation;
+
+ switch (event->keyval) {
+ default:
+ return TRUE;
+
+ case GDK_Home:
+ case GDK_KP_Home:
+ scroll = vscroll;
+ value = scroll->lower;
+ break;
+
+ case GDK_End:
+ case GDK_KP_End:
+ scroll = vscroll;
+ value = scroll->upper - alloc->height;
+ if (value < scroll->lower)
+ value = scroll->lower;
+ break;
+
+ case GDK_Left:
+ case GDK_KP_Left:
+ scroll = hscroll;
+ value = gtk_adjustment_get_value(scroll) -
+ scroll->step_increment;
+ if (value < scroll->lower)
+ value = scroll->lower;
+ break;
+
+ case GDK_Up:
+ case GDK_KP_Up:
+ scroll = vscroll;
+ value = gtk_adjustment_get_value(scroll) -
+ scroll->step_increment;
+ if (value < scroll->lower)
+ value = scroll->lower;
+ break;
+
+ case GDK_Right:
+ case GDK_KP_Right:
+ scroll = hscroll;
+ value = gtk_adjustment_get_value(scroll) +
+ scroll->step_increment;
+ if (value > scroll->upper - alloc->width)
+ value = scroll->upper - alloc->width;
+ break;
+
+ case GDK_Down:
+ case GDK_KP_Down:
+ scroll = vscroll;
+ value = gtk_adjustment_get_value(scroll) +
+ scroll->step_increment;
+ if (value > scroll->upper - alloc->height)
+ value = scroll->upper - alloc->height;
+ break;
+
+ case GDK_Page_Up:
+ case GDK_KP_Page_Up:
+ scroll = vscroll;
+ value = gtk_adjustment_get_value(scroll) -
+ scroll->page_increment;
+ if (value < scroll->lower)
+ value = scroll->lower;
+ break;
+
+ case GDK_Page_Down:
+ case GDK_KP_Page_Down:
+ scroll = vscroll;
+ value = gtk_adjustment_get_value(scroll) +
+ scroll->page_increment;
+ if (value > scroll->upper - alloc->height)
+ value = scroll->upper - alloc->height;
+ break;
+ }
+
+ gtk_adjustment_set_value(scroll, value);
+ }
+
+ return TRUE;
+}
+
+gboolean nsgtk_window_size_allocate_event(GtkWidget *widget,
+ GtkAllocation *allocation, gpointer data)
+{
+ struct gui_window *g = data;
+
+ g->bw->reformat_pending = true;
+ browser_reformat_pending = true;
+
+ if (g->paned != NULL) {
+ /* Set status bar / scroll bar proportion according to
+ * option_toolbar_status_width */
+ /* TODO: Probably want to detect when the user adjusts the
+ * status bar width, remember that proportion for the
+ * window, and use that here. */
+ gtk_paned_set_position(g->paned, (option_toolbar_status_width *
+ allocation->width) / 10000);
+ }
+
+ return TRUE;
+}
+
+
+void nsgtk_reflow_all_windows(void)
+{
+ for (struct gui_window *g = window_list; g; g = g->next) {
+ nsgtk_tab_options_changed(GTK_WIDGET(
+ nsgtk_scaffolding_notebook(g->scaffold)));
+ g->bw->reformat_pending = true;
+ }
+
+ browser_reformat_pending = true;
+}
+
+
+/**
+ * Process pending reformats
+ */
+
+void nsgtk_window_process_reformats(void)
+{
+ struct gui_window *g;
+
+ browser_reformat_pending = false;
+ for (g = window_list; g; g = g->next) {
+ GtkWidget *widget = GTK_WIDGET(g->layout);
+ if (!g->bw->reformat_pending)
+ continue;
+ g->bw->reformat_pending = false;
+ browser_window_reformat(g->bw,
+ widget->allocation.width,
+ widget->allocation.height);
+ }
+}
+
+
+void nsgtk_window_destroy_browser(struct gui_window *g)
+{
+ browser_window_destroy(g->bw);
+}
+
+void gui_window_destroy(struct gui_window *g)
+{
+ if (g->prev)
+ g->prev->next = g->next;
+ else
+ window_list = g->next;
+
+ if (g->next)
+ g->next->prev = g->prev;
+
+
+ LOG(("Destroying gui_window %p", g));
+ assert(g != NULL);
+ assert(g->bw != NULL);
+ LOG((" Scaffolding: %p", g->scaffold));
+ LOG((" Window name: %s", g->bw->name));
+
+ if (g->scrolledwindow == NULL) {
+ /* tab => remove tab */
+ gtk_widget_destroy(gtk_widget_get_parent(GTK_WIDGET(g->layout)));
+ /* if it was the last tab, destroy scaffold too */
+ gint numbertabs = gtk_notebook_get_n_pages(nsgtk_scaffolding_notebook(g->scaffold));
+ if (numbertabs == 0)
+ nsgtk_scaffolding_destroy(g->scaffold);
+ } else {
+ /* frame within a document => destroy frame only */
+ gtk_widget_destroy(GTK_WIDGET(g->scrolledwindow));
+ }
+
+ free(g);
+
+}
+
+void nsgtk_redraw_caret(struct gui_window *g)
+{
+ if (g->careth == 0)
+ return;
+
+ gui_window_redraw(g, g->caretx, g->carety,
+ g->caretx, g->carety + g->careth);
+}
+
+void gui_window_redraw(struct gui_window *g, int x0, int y0, int x1, int y1)
+{
+ int sx, sy;
+
+ gui_window_get_scroll(g, &sx, &sy);
+
+ gtk_widget_queue_draw_area(GTK_WIDGET(g->layout),
+ x0 - sx, y0 - sy, x1-x0+1, y1-y0+1);
+}
+
+void gui_window_redraw_window(struct gui_window *g)
+{
+ gtk_widget_queue_draw(GTK_WIDGET(g->layout));
+}
+
+void gui_window_update_box(struct gui_window *g,
+ const union content_msg_data *data)
+{
+ int sx, sy;
+ hlcache_handle *c = g->bw->current_content;
+
+ if (c == NULL)
+ return;
+
+ gui_window_get_scroll(g, &sx, &sy);
+
+ gtk_widget_queue_draw_area(GTK_WIDGET(g->layout),
+ data->redraw.x * g->bw->scale - sx,
+ data->redraw.y * g->bw->scale - sy,
+ data->redraw.width * g->bw->scale,
+ data->redraw.height * g->bw->scale);
+}
+
+void gui_window_set_status(struct gui_window *g, const char *text)
+{
+ assert(g);
+ assert(g->status_bar);
+ gtk_label_set_text(g->status_bar, text);
+}
+
+bool gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
+{
+ GtkAdjustment *vadj = gtk_layout_get_vadjustment(g->layout);
+ GtkAdjustment *hadj = gtk_layout_get_hadjustment(g->layout);
+
+ assert(vadj);
+ assert(hadj);
+
+ *sy = (int)(gtk_adjustment_get_value(vadj));
+ *sx = (int)(gtk_adjustment_get_value(hadj));
+
+ return true;
+}
+
+void gui_window_set_scroll(struct gui_window *g, int sx, int sy)
+{
+ GtkAdjustment *vadj = gtk_layout_get_vadjustment(g->layout);
+ GtkAdjustment *hadj = gtk_layout_get_hadjustment(g->layout);
+ gdouble vlower, vpage, vupper, hlower, hpage, hupper, x = (double)sx, y = (double)sy;
+
+ assert(vadj);
+ assert(hadj);
+
+ g_object_get(vadj, "page-size", &vpage, "lower", &vlower, "upper", &vupper, NULL);
+ g_object_get(hadj, "page-size", &hpage, "lower", &hlower, "upper", &hupper, NULL);
+
+ if (x < hlower)
+ x = hlower;
+ if (x > (hupper - hpage))
+ x = hupper - hpage;
+ if (y < vlower)
+ y = vlower;
+ if (y > (vupper - vpage))
+ y = vupper - vpage;
+
+ gtk_adjustment_set_value(vadj, y);
+ gtk_adjustment_set_value(hadj, x);
+}
+
+void gui_window_scroll_visible(struct gui_window *g, int x0, int y0,
+ int x1, int y1)
+{
+ gui_window_set_scroll(g,x0,y0);
+}
+
+
+/**
+ * Set the scale setting of a window
+ *
+ * \param g gui window
+ * \param scale scale value (1.0 == normal scale)
+ */
+
+void gui_window_set_scale(struct gui_window *g, float scale)
+{
+}
+
+
+void gui_window_update_extent(struct gui_window *g)
+{
+ if (!g->bw->current_content)
+ return;
+
+ gtk_layout_set_size(g->layout,
+ content_get_width(g->bw->current_content) * g->bw->scale,
+ content_get_height(g->bw->current_content) * g->bw->scale);
+}
+
+static GdkCursor *nsgtk_create_menu_cursor(void)
+{
+ static char menu_cursor_bits[] = {
+ 0x00, 0x00, 0x80, 0x7F, 0x88, 0x40, 0x9E, 0x5E, 0x88, 0x40, 0x80, 0x56,
+ 0x80, 0x40, 0x80, 0x5A, 0x80, 0x40, 0x80, 0x5E, 0x80, 0x40, 0x80, 0x56,
+ 0x80, 0x40, 0x80, 0x7F, 0x00, 0x00, 0x00, 0x00, };
+
+ static char menu_cursor_mask_bits[] = {
+ 0xC0, 0xFF, 0xC8, 0xFF, 0xDF, 0xFF, 0xFF, 0xFF, 0xDF, 0xFF, 0xC8, 0xFF,
+ 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF,
+ 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0x00, 0x00, };
+
+ static GdkCursor *r;
+ static GdkColor fg = { 0, 0, 0, 0 };
+ static GdkColor bg = { 0, 65535, 65535, 65535 };
+
+ GdkPixmap *source, *mask;
+
+ if (r != NULL)
+ return r;
+
+ source = gdk_bitmap_create_from_data(NULL, menu_cursor_bits,
+ 16, 16);
+ mask = gdk_bitmap_create_from_data (NULL, menu_cursor_mask_bits,
+ 16, 16);
+
+ r = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 0, 3);
+ gdk_pixmap_unref(source);
+ gdk_pixmap_unref(mask);
+
+ return r;
+}
+
+void gui_window_set_pointer(struct gui_window *g, gui_pointer_shape shape)
+{
+ GdkCursor *cursor = NULL;
+ GdkCursorType cursortype;
+ bool nullcursor = false;
+
+ if (g->current_pointer == shape)
+ return;
+
+ g->current_pointer = shape;
+
+ switch (shape) {
+ case GUI_POINTER_POINT:
+ cursortype = GDK_HAND2;
+ break;
+ case GUI_POINTER_CARET:
+ cursortype = GDK_XTERM;
+ break;
+ case GUI_POINTER_UP:
+ cursortype = GDK_TOP_SIDE;
+ break;
+ case GUI_POINTER_DOWN:
+ cursortype = GDK_BOTTOM_SIDE;
+ break;
+ case GUI_POINTER_LEFT:
+ cursortype = GDK_LEFT_SIDE;
+ break;
+ case GUI_POINTER_RIGHT:
+ cursortype = GDK_RIGHT_SIDE;
+ break;
+ case GUI_POINTER_LD:
+ cursortype = GDK_BOTTOM_LEFT_CORNER;
+ break;
+ case GUI_POINTER_RD:
+ cursortype = GDK_BOTTOM_RIGHT_CORNER;
+ break;
+ case GUI_POINTER_LU:
+ cursortype = GDK_TOP_LEFT_CORNER;
+ break;
+ case GUI_POINTER_RU:
+ cursortype = GDK_TOP_RIGHT_CORNER;
+ break;
+ case GUI_POINTER_CROSS:
+ cursortype = GDK_CROSS;
+ break;
+ case GUI_POINTER_MOVE:
+ cursortype = GDK_FLEUR;
+ break;
+ case GUI_POINTER_WAIT:
+ cursortype = GDK_WATCH;
+ break;
+ case GUI_POINTER_HELP:
+ cursortype = GDK_QUESTION_ARROW;
+ break;
+ case GUI_POINTER_MENU:
+ cursor = nsgtk_create_menu_cursor();
+ nullcursor = true;
+ break;
+ case GUI_POINTER_PROGRESS:
+ /* In reality, this needs to be the funky left_ptr_watch
+ * which we can't do easily yet.
+ */
+ cursortype = GDK_WATCH;
+ break;
+ /* The following we're not sure about */
+ case GUI_POINTER_NO_DROP:
+ case GUI_POINTER_NOT_ALLOWED:
+ case GUI_POINTER_DEFAULT:
+ default:
+ nullcursor = true;
+ }
+
+ if (!nullcursor)
+ cursor = gdk_cursor_new_for_display(
+ gtk_widget_get_display(
+ GTK_WIDGET(g->layout)),
+ cursortype);
+ gdk_window_set_cursor(GTK_WIDGET(g->layout)->window, cursor);
+
+ if (!nullcursor)
+ gdk_cursor_unref(cursor);
+}
+
+void gui_window_hide_pointer(struct gui_window *g)
+{
+
+}
+
+void gui_window_place_caret(struct gui_window *g, int x, int y, int height)
+{
+ nsgtk_redraw_caret(g);
+
+ g->caretx = x;
+ g->carety = y + 1;
+ g->careth = height - 2;
+
+ nsgtk_redraw_caret(g);
+
+ gtk_widget_grab_focus(GTK_WIDGET(g->layout));
+}
+
+void gui_window_remove_caret(struct gui_window *g)
+{
+ int oh = g->careth;
+
+ if (oh == 0)
+ return;
+
+ g->careth = 0;
+
+ gui_window_redraw(g, g->caretx, g->carety,
+ g->caretx, g->carety + oh);
+}
+
+void gui_window_new_content(struct gui_window *g)
+{
+
+}
+
+bool gui_window_scroll_start(struct gui_window *g)
+{
+ return true;
+}
+
+bool gui_window_box_scroll_start(struct gui_window *g,
+ int x0, int y0, int x1, int y1)
+{
+ return true;
+}
+
+void gui_drag_save_object(gui_save_type type, hlcache_handle *c,
+ struct gui_window *g)
+{
+
+}
+
+void gui_drag_save_selection(struct selection *s, struct gui_window *g)
+{
+
+}
+
+void gui_window_get_dimensions(struct gui_window *g, int *width, int *height,
+ bool scaled)
+{
+ *width = GTK_WIDGET(g->layout)->allocation.width;
+ *height = GTK_WIDGET(g->layout)->allocation.height;
+
+ if (scaled) {
+ *width /= g->bw->scale;
+ *height /= g->bw->scale;
+ }
+ LOG(("\tWINDOW WIDTH: %i\n", *width));
+ LOG(("\tWINDOW HEIGHT: %i\n", *height));
+}
+
+bool gui_window_frame_resize_start(struct gui_window *g)
+{
+ return true;
+}