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netsurf/gtk/gtk_window.c

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/*
* 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 "gtk/gtk_window.h"
#include "desktop/browser.h"
#include "desktop/options.h"
#include "desktop/textinput.h"
#include "gtk/gtk_gui.h"
#include "gtk/gtk_scaffolding.h"
#include "gtk/gtk_plotters.h"
#include "gtk/gtk_schedule.h"
#undef NDEBUG
#include "utils/log.h"
#include "utils/utils.h"
#include <gdk/gdkkeysyms.h>
#include <assert.h>
struct gui_window {
/* All gui_window objects have an ultimate scaffold */
nsgtk_scaffolding *scaffold;
/* A gui_window is the rendering of a browser_window */
struct browser_window *bw;
/* These are the storage for the rendering */
int caretx, carety, careth;
gui_pointer_shape current_pointer;
int last_x, last_y;
/* Within GTK, a gui_window is a scrolled window
* with a viewport inside
* with a gtkfixed in that
* with a drawing area in that
* The scrolled window is optional and only chosen
* for frames which need it. Otherwise we just use
* a viewport.
*/
GtkScrolledWindow *scrolledwindow;
GtkViewport *viewport;
GtkFixed *fixed;
GtkDrawingArea *drawing_area;
/* Keep gui_windows in a list for cleanup later */
struct gui_window *next, *prev;
};
static struct gui_window *window_list = 0; /**< first entry in win list*/
static wchar_t gdkkey_to_nskey(GdkEventKey *);
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_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);
struct browser_window *nsgtk_get_browser_window(struct gui_window *g)
{
return g->bw;
}
nsgtk_scaffolding *nsgtk_get_scaffold(struct gui_window *g)
{
return g->scaffold;
}
struct browser_window *nsgtk_get_browser_for_gui(struct gui_window *g)
{
return g->bw;
}
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)
{
struct gui_window *g; /**< what we're creating to return */
GtkPolicyType scrollpolicy;
g = malloc(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->current_pointer = GUI_POINTER_DEFAULT;
if (clone != NULL)
bw->scale = clone->scale;
else
bw->scale = (float) option_scale / 100;
g->careth = 0;
/* Attach ourselves to the list (push_top) */
if (window_list)
window_list->prev = g;
g->next = window_list;
g->prev = NULL;
window_list = g;
if (bw->parent != NULL) {
/* Find our parent's scaffolding */
g->scaffold = bw->parent->window->scaffold;
} else {
/* Now construct and attach a scaffold */
g->scaffold = nsgtk_new_scaffolding(g);
}
/* Construct our primary elements */
g->fixed = GTK_FIXED(gtk_fixed_new());
g->drawing_area = GTK_DRAWING_AREA(gtk_drawing_area_new());
gtk_fixed_put(g->fixed, GTK_WIDGET(g->drawing_area), 0, 0);
gtk_container_set_border_width(GTK_CONTAINER(g->fixed), 0);
if (bw->parent != NULL ) {
g->scrolledwindow = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
gtk_scrolled_window_add_with_viewport(g->scrolledwindow,
GTK_WIDGET(g->fixed));
gtk_scrolled_window_set_shadow_type(g->scrolledwindow,
GTK_SHADOW_NONE);
g->viewport = GTK_VIEWPORT(gtk_bin_get_child(GTK_BIN(g->scrolledwindow)));
/* Attach ourselves into our parent at the right point */
nsgtk_gui_window_attach_child(bw->parent->window, g);
} else {
g->scrolledwindow = 0;
g->viewport = GTK_VIEWPORT(gtk_viewport_new(NULL, NULL)); /* Need to attach adjustments */
gtk_container_add(GTK_CONTAINER(g->viewport), GTK_WIDGET(g->fixed));
/* Attach our viewport into the scaffold */
nsgtk_attach_toplevel_viewport(g->scaffold, g->viewport);
}
gtk_container_set_border_width(GTK_CONTAINER(g->viewport), 0);
gtk_viewport_set_shadow_type(g->viewport, GTK_SHADOW_NONE);
if (g->scrolledwindow)
gtk_widget_show(GTK_WIDGET(g->scrolledwindow));
/* And enable visibility from our viewport down */
gtk_widget_show(GTK_WIDGET(g->viewport));
gtk_widget_show(GTK_WIDGET(g->fixed));
gtk_widget_show(GTK_WIDGET(g->drawing_area));
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;
}
/* set the events we're interested in receiving from the browser's
* drawing area.
*/
gtk_widget_add_events(GTK_WIDGET(g->drawing_area),
GDK_EXPOSURE_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_MASK |
GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK);
GTK_WIDGET_SET_FLAGS(GTK_WIDGET(g->drawing_area), GTK_CAN_FOCUS);
/* set the default background colour of the drawing area to white. */
gtk_widget_modify_bg(GTK_WIDGET(g->drawing_area), 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))
CONNECT(g->drawing_area, "expose_event", nsgtk_window_expose_event, g);
CONNECT(g->drawing_area, "motion_notify_event",
nsgtk_window_motion_notify_event, g);
CONNECT(g->drawing_area, "button_press_event",
nsgtk_window_button_press_event, g);
CONNECT(g->drawing_area, "key_press_event",
nsgtk_window_keypress_event, g);
CONNECT(g->viewport, "size_allocate",
nsgtk_window_size_allocate_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.
*/
GtkFixed *parent_fixed = parent->fixed;
GtkWidget *child_widget = GTK_WIDGET(child->scrolledwindow);
gtk_fixed_put(parent_fixed, 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);
GtkFixed *f = g->bw->parent->window->fixed;
assert(w);
assert(f);
LOG(("%s: %d,%d %dx%d", g->bw->name, x0, y0, x1-x0+2, y1-y0+2));
/* 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 != x1 - x0 + 2 ||
w->allocation.height != y1 - y0 + 2) {
LOG((" frame has moved/resized."));
gtk_fixed_move(f, w, x0, y0);
gtk_widget_set_size_request(w, x1 - x0 + 2, y1 - y0 + 2);
}
}
gboolean nsgtk_window_expose_event(GtkWidget *widget,
GdkEventExpose *event, gpointer data)
{
struct gui_window *g = data;
struct content *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->drawing_area) == widget);
c = g->bw->current_content;
if (c == NULL)
return FALSE;
/* HTML rendering handles scale itself */
if (c->type == CONTENT_HTML)
scale = 1;
current_widget = widget;
current_drawable = widget->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);
content_redraw(c, 0, 0,
widget->allocation.width * scale,
widget->allocation.height * scale,
event->area.x,
event->area.y,
event->area.x + event->area.width,
event->area.y + event->area.height,
g->bw->scale, 0xFFFFFF);
if (g->careth != 0)
nsgtk_plot_caret(g->caretx, g->carety, g->careth);
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;
browser_window_mouse_track(g->bw, 0, event->x / g->bw->scale,
event->y / g->bw->scale);
g->last_x = event->x;
g->last_y = event->y;
return TRUE;
}
gboolean nsgtk_window_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer data)
{
struct gui_window *g = data;
int button = BROWSER_MOUSE_CLICK_1;
if (event->button == 2) /* 2 == middle button on X */
button = BROWSER_MOUSE_CLICK_2;
if (event->button == 3) {
/* 3 == right button on X */
nsgtk_scaffolding_popup_menu(g->scaffold, event->button);
return TRUE;
}
browser_window_mouse_click(g->bw, button,
event->x / g->bw->scale,
event->y / g->bw->scale);
gtk_widget_grab_focus(widget);
return TRUE;
}
wchar_t gdkkey_to_nskey(GdkEventKey *key)
{
/* this function will need to become much more complex to support
* everything that the RISC OS version does. But this will do for
* now. I hope.
*/
switch (key->keyval)
{
case GDK_BackSpace: return KEY_DELETE_LEFT;
case GDK_Delete: return KEY_DELETE_RIGHT;
case GDK_Linefeed: return 13;
case GDK_Return: return 10;
case GDK_Left: return KEY_LEFT;
case GDK_Right: return KEY_RIGHT;
case GDK_Up: return KEY_UP;
case GDK_Down: return KEY_DOWN;
/* Modifiers - do nothing for now */
case GDK_Shift_L:
case GDK_Shift_R:
case GDK_Control_L:
case GDK_Control_R:
case GDK_Caps_Lock:
case GDK_Shift_Lock:
case GDK_Meta_L:
case GDK_Meta_R:
case GDK_Alt_L:
case GDK_Alt_R:
case GDK_Super_L:
case GDK_Super_R:
case GDK_Hyper_L:
case GDK_Hyper_R: return 0;
default: return gdk_keyval_to_unicode(
key->keyval);
}
}
gboolean nsgtk_window_keypress_event(GtkWidget *widget, GdkEventKey *event,
gpointer data)
{
struct gui_window *g = data;
wchar_t nskey = gdkkey_to_nskey(event);
if (browser_window_key_press(g->bw, nskey))
return TRUE;
if (event->state == 0) {
double value;
GtkAdjustment *vscroll = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hscroll = gtk_viewport_get_hadjustment(g->viewport);
GtkAdjustment *scroll;
const GtkAllocation *const alloc =
&GTK_WIDGET(g->viewport)->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;
return TRUE;
}
void nsgtk_reflow_all_windows(void)
{
for (struct gui_window *g = window_list; g; g = g->next)
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->viewport);
if (!g->bw->reformat_pending)
continue;
g->bw->reformat_pending = false;
browser_window_reformat(g->bw,
widget->allocation.width - 2,
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 we're a top-level gui_window, destroy our scaffold */
if (g->scrolledwindow == NULL) {
gtk_widget_destroy(GTK_WIDGET(g->viewport));
nsgtk_scaffolding_destroy(g->scaffold);
} else {
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)
{
gtk_widget_queue_draw_area(GTK_WIDGET(g->drawing_area),
x0, y0, x1-x0+1, y1-y0+1);
}
void gui_window_redraw_window(struct gui_window *g)
{
gtk_widget_queue_draw(GTK_WIDGET(g->drawing_area));
}
void gui_window_update_box(struct gui_window *g,
const union content_msg_data *data)
{
struct content *c = g->bw->current_content;
if (c == NULL)
return;
gtk_widget_queue_draw_area(GTK_WIDGET(g->drawing_area),
data->redraw.x, data->redraw.y,
data->redraw.width, data->redraw.height);
}
bool gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
{
GtkAdjustment *vadj = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hadj = gtk_viewport_get_hadjustment(g->viewport);
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_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hadj = gtk_viewport_get_hadjustment(g->viewport);
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);
}
/**
* 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_widget_set_size_request(GTK_WIDGET(g->drawing_area),
g->bw->current_content->width * g->bw->scale,
g->bw->current_content->height * g->bw->scale);
gtk_widget_set_size_request(GTK_WIDGET(g->viewport), 0, 0);
}
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, 8, 8);
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->drawing_area)),
cursortype);
gdk_window_set_cursor(GTK_WIDGET(g->drawing_area)->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->drawing_area));
}
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, struct content *c,
struct gui_window *g)
{
}
void gui_drag_save_selection(struct selection *s, struct gui_window *g)
{
}
void gui_start_selection(struct gui_window *g)
{
}
void gui_paste_from_clipboard(struct gui_window *g, int x, int y)
{
}
bool gui_empty_clipboard(void)
{
return true;
}
bool gui_add_to_clipboard(const char *text, size_t length, bool space)
{
return true;
}
bool gui_commit_clipboard(void)
{
return true;
}
bool gui_copy_to_clipboard(struct selection *s)
{
return true;
}
void gui_window_get_dimensions(struct gui_window *g, int *width, int *height,
bool scaled)
{
*width = GTK_WIDGET(g->viewport)->allocation.width;
*height = GTK_WIDGET(g->viewport)->allocation.height;
if (scaled) {
*width /= g->bw->scale;
*height /= g->bw->scale;
}
}
bool gui_window_frame_resize_start(struct gui_window *g)
{
return true;
}
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