drawable.c File Reference

win32 implementation of drawable window showing browser context More...

#include <stdbool.h>
#include <stdint.h>
#include "utils/config.h"
#include <windows.h>
#include <windowsx.h>
#include "utils/errors.h"
#include "utils/log.h"
#include "netsurf/browser_window.h"
#include "netsurf/plotters.h"
#include "netsurf/keypress.h"
#include "windows/windbg.h"
#include "windows/plot.h"
#include "windows/window.h"
#include "windows/local_history.h"
#include "windows/drawable.h"

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Functions
static LRESULT	nsws_drawable_wheel (struct gui_window *gw, HWND hwnd, WPARAM wparam)
	Handle wheel scroll messages. More...
static LRESULT	nsws_drawable_vscroll (struct gui_window *gw, HWND hwnd, WPARAM wparam)
	Handle vertical scroll messages. More...
static LRESULT	nsws_drawable_hscroll (struct gui_window *gw, HWND hwnd, WPARAM wparam)
	Handle horizontal scroll messages. More...
static LRESULT	nsws_drawable_resize (struct gui_window *gw)
	Handle resize events. More...
static LRESULT	nsws_drawable_unichar (struct gui_window *gw, HWND hwnd, WPARAM wparam)
	Handle unicode character messages. More...
static LRESULT	nsws_drawable_char (struct gui_window *gw, HWND hwnd, WPARAM wparam)
	Handle character messages. More...
static LRESULT	nsws_drawable_keydown (struct gui_window *gw, HWND hwnd, WPARAM wparam)
	Handle keydown messages. More...
static LRESULT	nsws_drawable_paint (struct gui_window *gw, HWND hwnd)
	Handle paint messages. More...
static LRESULT	nsws_drawable_mouseup (struct gui_window *gw, int x, int y, browser_mouse_state press, browser_mouse_state click)
	Handle mouse button up messages. More...
static LRESULT	nsws_drawable_mousedown (struct gui_window *gw, int x, int y, browser_mouse_state button)
	Handle mouse button down messages. More...
static LRESULT	nsws_drawable_mousemove (struct gui_window *gw, int x, int y)
	Handle mouse movement messages. More...
static LRESULT CALLBACK	nsws_window_drawable_event_callback (HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
	Called when activity occours within the drawable window. More...
HWND	nsws_window_create_drawable (HINSTANCE hinstance, HWND hparent, struct gui_window *gw)
	Create a drawable window. More...
nserror	nsws_create_drawable_class (HINSTANCE hinstance)
	Create the drawable window class. More...

Variables
static const wchar_t *	windowclassname_drawable = L"nswsdrawablewindow"

Detailed Description

win32 implementation of drawable window showing browser context

Definition in file drawable.c.

Function Documentation

nsws_create_drawable_class()

nserror nsws_create_drawable_class

(

HINSTANCE

hinstance

)

Create the drawable window class.

Definition at line 707 of file drawable.c.

References NSERROR_INIT_FAILED, NSERROR_OK, nsws_window_drawable_event_callback(), win_perror(), and windowclassname_drawable.

Referenced by WinMain().

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nsws_drawable_char()

static LRESULT nsws_drawable_char ( struct gui_window *  gw, HWND  hwnd, WPARAM  wparam  )

static

Handle character messages.

WM_CHAR is generated when WM_KEYDOWN message are passed to TranslateMessage; wParam is UTF-16. If the codepoint is 4 bytes, there are 2 WM_CHAR message, one with the high surrogate and one with the low surrogate.

Definition at line 252 of file drawable.c.

References browser_window_key_press(), and gui_window::bw.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_hscroll()

static LRESULT nsws_drawable_hscroll ( struct gui_window *  gw, HWND  hwnd, WPARAM  wparam  )

static

Handle horizontal scroll messages.

Definition at line 154 of file drawable.c.

References browser_window_get_extents(), gui_window::bw, height, max, min, NSERROR_OK, NSLOG, gui_window::requestscrollx, gui_window::scrollx, gui_window::scrolly, gui_window::width, width, win32_window_set_scroll(), rect::x0, rect::x1, rect::y0, and rect::y1.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_keydown()

static LRESULT nsws_drawable_keydown ( struct gui_window *  gw, HWND  hwnd, WPARAM  wparam  )

static

Handle keydown messages.

Definition at line 287 of file drawable.c.

References browser_window_key_press(), gui_window::bw, NS_KEY_DELETE_RIGHT, NS_KEY_DOWN, NS_KEY_LEFT, NS_KEY_LINE_END, NS_KEY_LINE_START, NS_KEY_RIGHT, and NS_KEY_UP.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_mousedown()

static LRESULT nsws_drawable_mousedown ( struct gui_window *  gw, int  x, int  y, browser_mouse_state  button  )

static

Handle mouse button down messages.

Definition at line 459 of file drawable.c.

References BROWSER_MOUSE_MOD_1, BROWSER_MOUSE_MOD_2, BROWSER_MOUSE_MOD_3, browser_window_mouse_click(), gui_window::bw, gui_window::mouse, NSLOG, nsw32_local_history_hide(), gui_window::pressed_x, gui_window::pressed_y, gui_window::scrollx, gui_window::scrolly, and gui_window::state.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_mousemove()

static LRESULT nsws_drawable_mousemove ( struct gui_window *  gw, int  x, int  y  )

static

Handle mouse movement messages.

Definition at line 500 of file drawable.c.

References BROWSER_MOUSE_DRAG_1, BROWSER_MOUSE_DRAG_2, BROWSER_MOUSE_DRAG_ON, BROWSER_MOUSE_HOLDING_1, BROWSER_MOUSE_HOLDING_2, BROWSER_MOUSE_MOD_1, BROWSER_MOUSE_MOD_2, BROWSER_MOUSE_MOD_3, BROWSER_MOUSE_PRESS_1, BROWSER_MOUSE_PRESS_2, browser_window_mouse_click(), browser_window_mouse_track(), gui_window::bw, gui_window::mouse, NSLOG, gui_window::pressed_x, gui_window::pressed_y, gui_window::scrollx, gui_window::scrolly, and gui_window::state.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_mouseup()

static LRESULT nsws_drawable_mouseup ( struct gui_window *  gw, int  x, int  y, browser_mouse_state  press, browser_mouse_state  click  )

static

Handle mouse button up messages.

Definition at line 402 of file drawable.c.

References BROWSER_MOUSE_MOD_1, BROWSER_MOUSE_MOD_2, BROWSER_MOUSE_MOD_3, browser_window_mouse_click(), browser_window_mouse_track(), gui_window::bw, gui_window::mouse, NSLOG, gui_window::scrollx, gui_window::scrolly, and gui_window::state.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_paint()

static LRESULT nsws_drawable_paint ( struct gui_window *  gw, HWND  hwnd  )

static

Handle paint messages.

Todo:

work out why the heck scroll needs scaling

Definition at line 361 of file drawable.c.

References browser_window_redraw(), gui_window::bw, clip(), redraw_context::interactive, plot_hdc, gui_window::scrollx, gui_window::scrolly, and win_plotters.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_resize()

static LRESULT nsws_drawable_resize ( struct gui_window *  gw )

static

Handle resize events.

Definition at line 220 of file drawable.c.

References browser_window_schedule_reformat(), and gui_window::bw.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_unichar()

static LRESULT nsws_drawable_unichar ( struct gui_window *  gw, HWND  hwnd, WPARAM  wparam  )

static

Handle unicode character messages.

Definition at line 230 of file drawable.c.

References browser_window_key_press(), and gui_window::bw.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_vscroll()

static LRESULT nsws_drawable_vscroll ( struct gui_window *  gw, HWND  hwnd, WPARAM  wparam  )

static

Handle vertical scroll messages.

Definition at line 80 of file drawable.c.

References browser_window_get_extents(), gui_window::bw, gui_window::height, height, max, min, NSERROR_OK, NSLOG, gui_window::requestscrolly, gui_window::scrollx, gui_window::scrolly, width, win32_window_set_scroll(), rect::x0, rect::x1, rect::y0, and rect::y1.

Referenced by nsws_window_drawable_event_callback().

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nsws_drawable_wheel()

static LRESULT nsws_drawable_wheel ( struct gui_window *  gw, HWND  hwnd, WPARAM  wparam  )

static

Handle wheel scroll messages.

Definition at line 51 of file drawable.c.

Referenced by nsws_window_drawable_event_callback().

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nsws_window_create_drawable()

HWND nsws_window_create_drawable	(	HINSTANCE	hinstance,
		HWND	hparent,
		struct gui_window *	gw
	)

Create a drawable window.

Definition at line 674 of file drawable.c.

References NSLOG, win_perror(), and windowclassname_drawable.

Referenced by win32_window_create().

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nsws_window_drawable_event_callback()

static LRESULT CALLBACK nsws_window_drawable_event_callback ( HWND  hwnd, UINT  msg, WPARAM  wparam, LPARAM  lparam  )

static

Called when activity occours within the drawable window.

Todo:

win32 clear operation deletes the contents of the selection but ns clear selection only removes the highlight.

Definition at line 558 of file drawable.c.

References BROWSER_MOUSE_CLICK_1, BROWSER_MOUSE_CLICK_2, BROWSER_MOUSE_PRESS_1, BROWSER_MOUSE_PRESS_2, browser_window_key_press(), gui_window::bw, LOG_WIN_MSG, NS_KEY_CLEAR_SELECTION, NS_KEY_COPY_SELECTION, NS_KEY_CUT_SELECTION, NS_KEY_PASTE, NSLOG, nsw32_local_history_hide(), nsws_drawable_char(), nsws_drawable_hscroll(), nsws_drawable_keydown(), nsws_drawable_mousedown(), nsws_drawable_mousemove(), nsws_drawable_mouseup(), nsws_drawable_paint(), nsws_drawable_resize(), nsws_drawable_unichar(), nsws_drawable_vscroll(), nsws_drawable_wheel(), and nsws_get_gui_window().

Referenced by nsws_create_drawable_class().

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Variable Documentation

windowclassname_drawable

const wchar_t* windowclassname_drawable = L"nswsdrawablewindow"

static

Definition at line 44 of file drawable.c.

Referenced by nsws_create_drawable_class(), and nsws_window_create_drawable().