SDL_DirectFB_WM.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_DIRECTFB
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_window.h"
#include "../../events/SDL_windowevents_c.h"
#define COLOR_EXPAND(col) col.r, col.g, col.b, col.a
static DFB_Theme theme_std = {
4, 4, 8, 8,
{255, 200, 200, 200},
24,
{255, 0, 0, 255},
16,
{255, 255, 255, 255},
"/usr/share/fonts/truetype/freefont/FreeSans.ttf",
{255, 255, 0, 0},
{255, 255, 255, 0},
};
static DFB_Theme theme_none = {
0, 0, 0, 0,
{0, 0, 0, 0},
0,
{0, 0, 0, 0},
0,
{0, 0, 0, 0},
NULL
};
static void
DrawTriangle(IDirectFBSurface * s, int down, int x, int y, int w)
{
int x1, x2, x3;
int y1, y2, y3;
if (down) {
x1 = x + w / 2;
x2 = x;
x3 = x + w;
y1 = y + w;
y2 = y;
y3 = y;
} else {
x1 = x + w / 2;
x2 = x;
x3 = x + w;
y1 = y;
y2 = y + w;
y3 = y + w;
}
s->FillTriangle(s, x1, y1, x2, y2, x3, y3);
}
static void
LoadFont(_THIS, SDL_Window * window)
{
SDL_DFB_DEVICEDATA(_this);
SDL_DFB_WINDOWDATA(window);
if (windata->font != NULL) {
SDL_DFB_RELEASE(windata->font);
windata->font = NULL;
SDL_DFB_CHECK(windata->window_surface->SetFont(windata->window_surface, windata->font));
}
if (windata->theme.font != NULL)
{
DFBFontDescription fdesc;
SDL_zero(fdesc);
fdesc.flags = DFDESC_HEIGHT;
fdesc.height = windata->theme.font_size;
SDL_DFB_CHECK(devdata->
dfb->CreateFont(devdata->dfb, windata->theme.font,
&fdesc, &windata->font));
SDL_DFB_CHECK(windata->window_surface->SetFont(windata->window_surface, windata->font));
}
}
static void
DrawCraption(_THIS, IDirectFBSurface * s, int x, int y, char *text)
{
DFBSurfaceTextFlags flags;
flags = DSTF_CENTER | DSTF_TOP;
s->DrawString(s, text, -1, x, y, flags);
}
void
DirectFB_WM_RedrawLayout(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
IDirectFBSurface *s = windata->window_surface;
DFB_Theme *t = &windata->theme;
int i;
int d = (t->caption_size - t->font_size) / 2;
int x, y, w;
if (!windata->is_managed || (window->flags & SDL_WINDOW_FULLSCREEN))
return;
SDL_DFB_CHECK(s->SetSrcBlendFunction(s, DSBF_ONE));
SDL_DFB_CHECK(s->SetDstBlendFunction(s, DSBF_ZERO));
SDL_DFB_CHECK(s->SetDrawingFlags(s, DSDRAW_NOFX));
SDL_DFB_CHECK(s->SetBlittingFlags(s, DSBLIT_NOFX));
LoadFont(_this, window);
/* s->SetDrawingFlags(s, DSDRAW_BLEND); */
s->SetColor(s, COLOR_EXPAND(t->frame_color));
/* top */
for (i = 0; i < t->top_size; i++)
s->DrawLine(s, 0, i, windata->size.w, i);
/* bottom */
for (i = windata->size.h - t->bottom_size; i < windata->size.h; i++)
s->DrawLine(s, 0, i, windata->size.w, i);
/* left */
for (i = 0; i < t->left_size; i++)
s->DrawLine(s, i, 0, i, windata->size.h);
/* right */
for (i = windata->size.w - t->right_size; i < windata->size.w; i++)
s->DrawLine(s, i, 0, i, windata->size.h);
/* Caption */
s->SetColor(s, COLOR_EXPAND(t->caption_color));
s->FillRectangle(s, t->left_size, t->top_size, windata->client.w,
t->caption_size);
/* Close Button */
w = t->caption_size;
x = windata->size.w - t->right_size - w + d;
y = t->top_size + d;
s->SetColor(s, COLOR_EXPAND(t->close_color));
DrawTriangle(s, 1, x, y, w - 2 * d);
/* Max Button */
s->SetColor(s, COLOR_EXPAND(t->max_color));
DrawTriangle(s, window->flags & SDL_WINDOW_MAXIMIZED ? 1 : 0, x - w,
y, w - 2 * d);
/* Caption */
if (*window->title) {
s->SetColor(s, COLOR_EXPAND(t->font_color));
DrawCraption(_this, s, (x - w) / 2, t->top_size + d, window->title);
}
/* Icon */
if (windata->icon) {
DFBRectangle dr;
dr.x = t->left_size + d;
dr.y = t->top_size + d;
dr.w = w - 2 * d;
dr.h = w - 2 * d;
s->SetBlittingFlags(s, DSBLIT_BLEND_ALPHACHANNEL);
s->StretchBlit(s, windata->icon, NULL, &dr);
}
windata->wm_needs_redraw = 0;
}
DFBResult
DirectFB_WM_GetClientSize(_THIS, SDL_Window * window, int *cw, int *ch)
{
SDL_DFB_WINDOWDATA(window);
IDirectFBWindow *dfbwin = windata->dfbwin;
SDL_DFB_CHECK(dfbwin->GetSize(dfbwin, cw, ch));
dfbwin->GetSize(dfbwin, cw, ch);
*cw -= windata->theme.left_size + windata->theme.right_size;
*ch -=
windata->theme.top_size + windata->theme.caption_size +
windata->theme.bottom_size;
return DFB_OK;
}
void
DirectFB_WM_AdjustWindowLayout(SDL_Window * window, int flags, int w, int h)
{
SDL_DFB_WINDOWDATA(window);
if (!windata->is_managed)
windata->theme = theme_none;
else if (flags & SDL_WINDOW_BORDERLESS)
/* desc.caps |= DWCAPS_NODECORATION;) */
windata->theme = theme_none;
else if (flags & SDL_WINDOW_FULLSCREEN) {
windata->theme = theme_none;
} else if (flags & SDL_WINDOW_MAXIMIZED) {
windata->theme = theme_std;
windata->theme.left_size = 0;
windata->theme.right_size = 0;
windata->theme.top_size = 0;
windata->theme.bottom_size = 0;
} else {
windata->theme = theme_std;
}
windata->client.x = windata->theme.left_size;
windata->client.y = windata->theme.top_size + windata->theme.caption_size;
windata->client.w = w;
windata->client.h = h;
windata->size.w =
w + windata->theme.left_size + windata->theme.right_size;
windata->size.h =
h + windata->theme.top_size +
windata->theme.caption_size + windata->theme.bottom_size;
}
enum
{
WM_POS_NONE = 0x00,
WM_POS_CAPTION = 0x01,
WM_POS_CLOSE = 0x02,
WM_POS_MAX = 0x04,
WM_POS_LEFT = 0x08,
WM_POS_RIGHT = 0x10,
WM_POS_TOP = 0x20,
WM_POS_BOTTOM = 0x40,
};
static int
WMIsClient(DFB_WindowData * p, int x, int y)
{
x -= p->client.x;
y -= p->client.y;
if (x < 0 || y < 0)
return 0;
if (x >= p->client.w || y >= p->client.h)
return 0;
return 1;
}
static int
WMPos(DFB_WindowData * p, int x, int y)
{
int pos = WM_POS_NONE;
if (!WMIsClient(p, x, y)) {
if (y < p->theme.top_size) {
pos |= WM_POS_TOP;
} else if (y < p->client.y) {
if (x <
p->size.w - p->theme.right_size - 2 * p->theme.caption_size) {
pos |= WM_POS_CAPTION;
} else if (x <
p->size.w - p->theme.right_size -
p->theme.caption_size) {
pos |= WM_POS_MAX;
} else {
pos |= WM_POS_CLOSE;
}
} else if (y >= p->size.h - p->theme.bottom_size) {
pos |= WM_POS_BOTTOM;
}
if (x < p->theme.left_size) {
pos |= WM_POS_LEFT;
} else if (x >= p->size.w - p->theme.right_size) {
pos |= WM_POS_RIGHT;
}
}
return pos;
}
int
DirectFB_WM_ProcessEvent(_THIS, SDL_Window * window, DFBWindowEvent * evt)
{
SDL_DFB_DEVICEDATA(_this);
SDL_DFB_WINDOWDATA(window);
DFB_WindowData *gwindata = ((devdata->grabbed_window) ? (DFB_WindowData *) ((devdata->grabbed_window)->driverdata) : NULL);
IDirectFBWindow *dfbwin = windata->dfbwin;
DFBWindowOptions wopts;
if (!windata->is_managed)
return 0;
SDL_DFB_CHECK(dfbwin->GetOptions(dfbwin, &wopts));
switch (evt->type) {
case DWET_BUTTONDOWN:
if (evt->buttons & DIBM_LEFT) {
int pos = WMPos(windata, evt->x, evt->y);
switch (pos) {
case WM_POS_NONE:
return 0;
case WM_POS_CLOSE:
windata->wm_grab = WM_POS_NONE;
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_CLOSE, 0,
0);
return 1;
case WM_POS_MAX:
windata->wm_grab = WM_POS_NONE;
if (window->flags & SDL_WINDOW_MAXIMIZED) {
SDL_RestoreWindow(window);
} else {
SDL_MaximizeWindow(window);
}
return 1;
case WM_POS_CAPTION:
if (!(wopts & DWOP_KEEP_STACKING)) {
DirectFB_RaiseWindow(_this, window);
}
if (window->flags & SDL_WINDOW_MAXIMIZED)
return 1;
/* fall through */
default:
windata->wm_grab = pos;
if (gwindata != NULL)
SDL_DFB_CHECK(gwindata->dfbwin->UngrabPointer(gwindata->dfbwin));
SDL_DFB_CHECK(dfbwin->GrabPointer(dfbwin));
windata->wm_lastx = evt->cx;
windata->wm_lasty = evt->cy;
}
}
return 1;
case DWET_BUTTONUP:
if (!windata->wm_grab)
return 0;
if (!(evt->buttons & DIBM_LEFT)) {
if (windata->wm_grab & (WM_POS_RIGHT | WM_POS_BOTTOM)) {
int dx = evt->cx - windata->wm_lastx;
int dy = evt->cy - windata->wm_lasty;
if (!(wopts & DWOP_KEEP_SIZE)) {
int cw, ch;
if ((windata->wm_grab & (WM_POS_BOTTOM | WM_POS_RIGHT)) == WM_POS_BOTTOM)
dx = 0;
else if ((windata->wm_grab & (WM_POS_BOTTOM | WM_POS_RIGHT)) == WM_POS_RIGHT)
dy = 0;
SDL_DFB_CHECK(dfbwin->GetSize(dfbwin, &cw, &ch));
/* necessary to trigger an event - ugly */
SDL_DFB_CHECK(dfbwin->DisableEvents(dfbwin, DWET_ALL));
SDL_DFB_CHECK(dfbwin->Resize(dfbwin, cw + dx + 1, ch + dy));
SDL_DFB_CHECK(dfbwin->EnableEvents(dfbwin, DWET_ALL));
SDL_DFB_CHECK(dfbwin->Resize(dfbwin, cw + dx, ch + dy));
}
}
SDL_DFB_CHECK(dfbwin->UngrabPointer(dfbwin));
if (gwindata != NULL)
SDL_DFB_CHECK(gwindata->dfbwin->GrabPointer(gwindata->dfbwin));
windata->wm_grab = WM_POS_NONE;
return 1;
}
break;
case DWET_MOTION:
if (!windata->wm_grab)
return 0;
if (evt->buttons & DIBM_LEFT) {
int dx = evt->cx - windata->wm_lastx;
int dy = evt->cy - windata->wm_lasty;
if (windata->wm_grab & WM_POS_CAPTION) {
if (!(wopts & DWOP_KEEP_POSITION))
SDL_DFB_CHECK(dfbwin->Move(dfbwin, dx, dy));
}
if (windata->wm_grab & (WM_POS_RIGHT | WM_POS_BOTTOM)) {
if (!(wopts & DWOP_KEEP_SIZE)) {
int cw, ch;
/* Make sure all events are disabled for this operation ! */
SDL_DFB_CHECK(dfbwin->DisableEvents(dfbwin, DWET_ALL));
if ((windata->wm_grab & (WM_POS_BOTTOM | WM_POS_RIGHT)) == WM_POS_BOTTOM)
dx = 0;
else if ((windata->wm_grab & (WM_POS_BOTTOM | WM_POS_RIGHT)) == WM_POS_RIGHT)
dy = 0;
SDL_DFB_CHECK(dfbwin->GetSize(dfbwin, &cw, &ch));
SDL_DFB_CHECK(dfbwin->Resize(dfbwin, cw + dx, ch + dy));
SDL_DFB_CHECK(dfbwin->EnableEvents(dfbwin, DWET_ALL));
}
}
windata->wm_lastx = evt->cx;
windata->wm_lasty = evt->cy;
return 1;
}
break;
case DWET_KEYDOWN:
break;
case DWET_KEYUP:
break;
default:
;
}
return 0;
}
#endif /* SDL_VIDEO_DRIVER_DIRECTFB */
SDL_DirectFB_video.h
x1
GLuint GLfloat GLfloat GLfloat x1
Definition: SDL_opengl_glext.h:8583
s
GLdouble s
Definition: SDL_opengl.h:2056
DirectFB_WM_ProcessEvent
int DirectFB_WM_ProcessEvent(_THIS, SDL_Window *window, DFBWindowEvent *evt)
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1567
window
SDL_Window * window
Definition: testautomation_render.c:26
y2
GLfixed GLfixed GLfixed y2
Definition: SDL_opengl_glext.h:4583
p
GLfloat GLfloat p
Definition: SDL_opengl_glext.h:11090
DirectFB_RaiseWindow
void DirectFB_RaiseWindow(_THIS, SDL_Window *window)
DirectFB_WM_AdjustWindowLayout
void DirectFB_WM_AdjustWindowLayout(SDL_Window *window, int flags, int w, int h)
SDL_SendWindowEvent
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
Definition: SDL_windowevents.c:74
size
GLsizeiptr size
Definition: SDL_opengl_glext.h:537
x2
GLfixed GLfixed x2
Definition: SDL_opengl_glext.h:4583
SDL_DFB_RELEASE
#define SDL_DFB_RELEASE(x)
Definition: SDL_DirectFB_video.h:78
y1
GLfixed y1
Definition: SDL_opengl_glext.h:4583
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_DirectFB_window.h
SDL_DFB_DEVICEDATA
#define SDL_DFB_DEVICEDATA(dev)
Definition: SDL_DirectFB_video.h:126
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1567
d
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 SDL_AssertionHandler void SDL_SpinLock SDL_atomic_t int int return SDL_atomic_t return void void void return void return int return SDL_AudioSpec SDL_AudioSpec return int int return return int SDL_RWops int SDL_AudioSpec Uint8 ** d
Definition: SDL_dynapi_procs.h:121
DirectFB_WM_GetClientSize
DFBResult DirectFB_WM_GetClientSize(_THIS, SDL_Window *window, int *cw, int *ch)
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:355
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char * title
Definition: SDL_sysvideo.h:75
SDL_WINDOWEVENT_CLOSE
Definition: SDL_video.h:157
SDL_RestoreWindow
#define SDL_RestoreWindow
Definition: SDL_dynapi_overrides.h:542
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:42
NULL
#define NULL
Definition: begin_code.h:143
SDL_WINDOW_BORDERLESS
Definition: SDL_video.h:102
text
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:34
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#define SDL_DFB_WINDOWDATA(win)
Definition: SDL_DirectFB_window.h:28
DirectFB_WM_RedrawLayout
void DirectFB_WM_RedrawLayout(_THIS, SDL_Window *window)
SDL_DFB_CHECK
#define SDL_DFB_CHECK(x...)
Definition: SDL_DirectFB_video.h:99
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:71
SDL_WINDOW_MAXIMIZED
Definition: SDL_video.h:105
SDL_WINDOW_FULLSCREEN
Definition: SDL_video.h:98
flags
GLbitfield flags
Definition: SDL_opengl_glext.h:1480
w
GLubyte GLubyte GLubyte GLubyte w
Definition: SDL_opengl_glext.h:731
SDL_MaximizeWindow
#define SDL_MaximizeWindow
Definition: SDL_dynapi_overrides.h:540
SDL_Window::flags
Uint32 flags
Definition: SDL_sysvideo.h:81
h
GLfloat GLfloat GLfloat GLfloat h
Definition: SDL_opengl_glext.h:1946
t
GLdouble GLdouble t
Definition: SDL_opengl.h:2064