netsurf/windows/localhistory.c

421 lines
11 KiB
C
Raw Normal View History

/*
* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
*
* 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 <windows.h>
#include <windowsx.h>
#define _WIN32_IE (0x0501)
#include <commctrl.h>
#include "desktop/browser.h"
#include "desktop/history_core.h"
#include "desktop/plotters.h"
#include "utils/utils.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "windows/localhistory.h"
#include "windows/gui.h"
#include "windows/plot.h"
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#endif
struct nsws_localhistory {
HWND hwnd; /**< the window handle */
int width; /**< the width of the memory history */
int height; /**< the height of the memory history */
int guiwidth; /**< the width of the history window */
int guiheight; /**< the height of the history window */
int vscroll; /**< the vertical scroll location */
int hscroll; /**< the horizontal scroll location */
};
static struct nsws_localhistory localhistory;
LRESULT CALLBACK nsws_localhistory_event_callback(HWND hwnd, UINT msg,
WPARAM wparam, LPARAM lparam);
static void nsws_localhistory_scroll_check(struct gui_window *w);
static void nsws_localhistory_clear(struct gui_window *w);
void nsws_localhistory_init(struct gui_window *w)
{
LOG(("gui window %p", w));
static const char localhistorywindowclassname[] = "nsws_localhistory_window";
WNDCLASSEX we;
HWND mainhwnd = gui_window_main_window(w);
INITCOMMONCONTROLSEX icc;
HICON hIcon = nsws_window_get_ico(true);
HICON hIconS = nsws_window_get_ico(false);
struct browser_window *bw = gui_window_browser_window(w);
int margin = 50;
RECT r;
localhistory.width = 0;
localhistory.height = 0;
current_gui = NULL;
current_hwnd = NULL;
doublebuffering = false;
if ((bw != NULL) && (bw->history != NULL))
history_size(bw->history, &(localhistory.width),
&(localhistory.height));
GetWindowRect(mainhwnd, &r);
SetWindowPos(mainhwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE);
localhistory.guiwidth = MIN(r.right - r.left - margin,
localhistory.width + margin);
localhistory.guiheight = MIN(r.bottom - r.top - margin,
localhistory.height + margin);
icc.dwSize = sizeof(icc);
icc.dwICC = ICC_BAR_CLASSES | ICC_WIN95_CLASSES;
#if WINVER > 0x0501
icc.dwICC |= ICC_STANDARD_CLASSES;
#endif
InitCommonControlsEx(&icc);
we.cbSize = sizeof(WNDCLASSEX);
we.style = 0;
we.lpfnWndProc = nsws_localhistory_event_callback;
we.cbClsExtra = 0;
we.cbWndExtra = 0;
we.hInstance = hinstance;
we.hIcon = (hIcon == NULL) ?
LoadIcon(NULL, IDI_APPLICATION) : hIcon;
we.hCursor = LoadCursor(NULL, IDC_ARROW);
we.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
we.lpszMenuName = NULL;
we.lpszClassName = localhistorywindowclassname;
we.hIconSm = (hIconS == NULL) ?
LoadIcon(NULL, IDI_APPLICATION) : hIconS;
RegisterClassEx(&we);
LOG(("creating local history window for hInstance %p", hinstance));
localhistory.hwnd = CreateWindow(localhistorywindowclassname,
"NetSurf History",WS_THICKFRAME | WS_HSCROLL |
WS_VSCROLL | WS_CLIPCHILDREN | WS_CLIPSIBLINGS |
CS_DBLCLKS, r.left + margin/2, r.top + margin/2,
localhistory.guiwidth, localhistory.guiheight, NULL,
NULL, hinstance, NULL);
LOG(("gui_window %p width %d height %d hwnd %p", w,
localhistory.guiwidth, localhistory.guiheight,
localhistory.hwnd));
current_hwnd = localhistory.hwnd;
ShowWindow(localhistory.hwnd, SW_SHOWNORMAL);
UpdateWindow(localhistory.hwnd);
gui_window_set_localhistory(w, &localhistory);
nsws_localhistory_up(w);
}
LRESULT CALLBACK nsws_localhistory_event_callback(HWND hwnd, UINT msg,
WPARAM wparam, LPARAM lparam)
{
bool match = false;
struct gui_window *w = window_list;
struct browser_window *bw = NULL;
struct nsws_localhistory *local;
while (w != NULL) {
local = gui_window_localhistory(w);
if ((local != NULL) && (local->hwnd == hwnd)) {
match = true;
break;
}
w = gui_window_iterate(w);
}
if (match)
bw = gui_window_browser_window(w);
switch(msg) {
case WM_CREATE:
nsws_localhistory_scroll_check(w);
break;
case WM_SIZE:
localhistory.guiheight = HIWORD(lparam);
localhistory.guiwidth = LOWORD(lparam);
nsws_localhistory_scroll_check(w);
current_gui = NULL;
current_hwnd = hwnd;
plot.rectangle(0, 0, localhistory.guiwidth,
localhistory.guiheight, plot_style_fill_white);
break;
case WM_MOVE: {
RECT r, rmain;
if (w != NULL) {
current_gui = w;
current_hwnd = gui_window_main_window(w);
GetWindowRect(hwnd, &r);
GetWindowRect(current_hwnd, &rmain);
gui_window_redraw(w,
MIN(r.top - rmain.top , 0),
MIN(r.left - rmain.left, 0),
gui_window_height(w) -
MIN(rmain.bottom - r.bottom, 0),
gui_window_width(w) -
MIN(rmain.right - r.right, 0));
current_gui = NULL;
current_hwnd = hwnd;
return DefWindowProc(hwnd, msg, wparam, lparam);
}
}
case WM_LBUTTONUP: {
int x,y;
x = GET_X_LPARAM(lparam);
y = GET_Y_LPARAM(lparam);
if (bw == NULL)
break;
current_hwnd = gui_window_main_window(w);
current_gui = w;
if ((bw != NULL) && (history_click(bw, bw->history, x, y, false)))
DestroyWindow(hwnd);
else {
current_hwnd = hwnd;
current_gui = NULL;
}
}
case WM_MOUSEMOVE: {
int x,y;
x = GET_X_LPARAM(lparam);
y = GET_Y_LPARAM(lparam);
/* if (bw != NULL)
history_hover(bw->history, x, y, (void *)hwnd);*/
return DefWindowProc(hwnd, msg, wparam, lparam);
break;
}
case WM_VSCROLL:
{
if ((w == NULL) || (bw == NULL))
break;
SCROLLINFO si;
int mem;
si.cbSize = sizeof(si);
si.fMask = SIF_ALL;
GetScrollInfo(hwnd, SB_VERT, &si);
mem = si.nPos;
switch (LOWORD(wparam))
{
case SB_TOP:
si.nPos = si.nMin;
break;
case SB_BOTTOM:
si.nPos = si.nMax;
break;
case SB_LINEUP:
si.nPos -= 30;
break;
case SB_LINEDOWN:
si.nPos += 30;
break;
case SB_PAGEUP:
si.nPos -= localhistory.guiheight;
break;
case SB_PAGEDOWN:
si.nPos += localhistory.guiheight;
break;
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
default:
break;
}
si.nPos = MIN(si.nPos, localhistory.width);
si.nPos = MAX(si.nPos, 0);
si.fMask = SIF_POS;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
GetScrollInfo(hwnd, SB_VERT, &si);
if (si.nPos != mem) {
current_gui = NULL;
current_hwnd = hwnd;
localhistory.vscroll += si.nPos - mem;
plot.rectangle(0, 0, localhistory.guiwidth,
localhistory.guiheight,
plot_style_fill_white);
history_redraw_rectangle(bw->history,
localhistory.hscroll,
localhistory.vscroll,
localhistory.guiwidth +
localhistory.hscroll,
localhistory.guiheight
+ localhistory.vscroll,
0, 0);
}
break;
}
case WM_HSCROLL:
{
if ((w == NULL) || (bw == NULL))
break;
SCROLLINFO si;
int mem;
si.cbSize = sizeof(si);
si.fMask = SIF_ALL;
GetScrollInfo(hwnd, SB_HORZ, &si);
mem = si.nPos;
switch (LOWORD(wparam))
{
case SB_LINELEFT:
si.nPos -= 30;
break;
case SB_LINERIGHT:
si.nPos += 30;
break;
case SB_PAGELEFT:
si.nPos -= localhistory.guiwidth;
break;
case SB_PAGERIGHT:
si.nPos += localhistory.guiwidth;
break;
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
default:
break;
}
si.nPos = MIN(si.nPos, localhistory.height);
si.nPos = MAX(si.nPos, 0);
si.fMask = SIF_POS;
SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
GetScrollInfo(hwnd, SB_HORZ, &si);
if (si.nPos != mem) {
current_gui = NULL;
current_hwnd = hwnd;
localhistory.hscroll += si.nPos - mem;
if (bw == NULL)
break;
plot.rectangle(0, 0, localhistory.guiwidth,
localhistory.guiheight,
plot_style_fill_white);
history_redraw_rectangle(bw->history,
localhistory.hscroll,
localhistory.vscroll,
localhistory.guiwidth +
localhistory.hscroll,
localhistory.guiheight
+ localhistory.vscroll,
0, 0);
}
break;
}
case WM_PAINT: {
current_gui = NULL;
current_hwnd = hwnd;
PAINTSTRUCT ps;
BeginPaint(hwnd, &ps);
if (bw != NULL)
history_redraw_rectangle(bw->history,
localhistory.hscroll,
localhistory.vscroll,
localhistory.hscroll + localhistory.guiwidth,
localhistory.vscroll + localhistory.guiheight,
0, 0);
EndPaint(hwnd, &ps);
return DefWindowProc(hwnd, msg, wparam, lparam);
break;
}
case WM_CLOSE:
nsws_localhistory_clear(w);
DestroyWindow(hwnd);
break;
case WM_DESTROY:
nsws_localhistory_clear(w);
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wparam, lparam);
}
return 0;
}
void nsws_localhistory_up(struct gui_window *w)
{
LOG(("gui window %p", w));
HDC hdc = GetDC(NULL);
struct browser_window *bw = gui_window_browser_window(w);
localhistory.vscroll = 0;
localhistory.hscroll = 0;
if (bw != NULL)
history_redraw(bw->history);
nsws_localhistory_scroll_check(w);
ReleaseDC(localhistory.hwnd, hdc);
}
void nsws_localhistory_scroll_check(struct gui_window *w)
{
if (w == NULL)
return;
struct browser_window *bw = gui_window_browser_window(w);
if ((bw == NULL) || (localhistory.hwnd == NULL))
return;
history_size(bw->history, &(localhistory.width), &(localhistory.height));
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_ALL;
si.nMin = 0;
si.nMax = localhistory.height;
si.nPage = localhistory.guiheight;
si.nPos = 0;
SetScrollInfo(localhistory.hwnd, SB_VERT, &si, TRUE);
si.nMax = localhistory.width;
si.nPage = localhistory.guiwidth;
SetScrollInfo(localhistory.hwnd, SB_HORZ, &si, TRUE);
if (localhistory.guiheight >= localhistory.height)
localhistory.vscroll = 0;
if (localhistory.guiwidth >= localhistory.width)
localhistory.hscroll = 0;
SendMessage(localhistory.hwnd, WM_PAINT, 0, 0);
}
/*
void history_gui_set_pointer(gui_pointer_shape shape, void *p)
{
struct nsws_pointers *pointers = nsws_get_pointers();
if (pointers == NULL)
return;
switch(shape) {
case GUI_POINTER_POINT:
SetCursor(pointers->hand);
break;
default:
SetCursor(pointers->arrow);
break;
}
}
*/
void nsws_localhistory_close(struct gui_window *w)
{
struct nsws_localhistory *l = gui_window_localhistory(w);
if (l != NULL)
DestroyWindow(l->hwnd);
}
void nsws_localhistory_clear(struct gui_window *w)
{
if (w != NULL)
gui_window_set_localhistory(w, NULL);
}