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Add Horizontal orientation to gtk frontend 

Code extracted and cleaned up from patch #2998869 by noodlebox.
This commit is contained in:
riccardom 2010-05-12 14:44:44 +00:00
parent dd77b3aeda
commit b68eac1b42
1 changed files with 162 additions and 109 deletions
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261
desmume/src/gtk/main.cpp
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@ -124,6 +124,7 @@ static void ToggleMicNoise (GtkToggleAction *action);
#endif
static void ToggleGap (GtkToggleAction *action);
static void SetRotation(GtkAction *action, GtkRadioAction *current);
static void SetOrientation(GtkAction *action, GtkRadioAction *current);
static void ToggleLayerVisibility(GtkToggleAction* action, gpointer data);
#ifdef DESMUME_GTK_FIRMWARE_BROKEN
static void SelectFirmwareFile();
@ -223,6 +224,10 @@ static const char *ui_description =
" <menuitem action='rotate_180'/>"
" <menuitem action='rotate_270'/>"
" </menu>"
" <menu action='OrientationMenu'>"
" <menuitem action='orient_vertical'/>"
" <menuitem action='orient_horizontal'/>"
" </menu>"
" <menu action='InterpolationMenu'>"
" <menuitem action='interp_nearest'/>"
" <menuitem action='interp_bilinear'/>"
@ -285,6 +290,7 @@ static const GtkActionEntry action_entries[] = {
{ "editctrls", NULL, "_Edit controls",NULL, NULL, Edit_Controls },
{ "editjoyctrls", NULL, "Edit _Joystick controls",NULL, NULL, Edit_Joystick_Controls },
{ "RotationMenu", NULL, "_Rotation" },
{ "OrientationMenu", NULL, "_Orientation" },
{ "InterpolationMenu", NULL, "_Interpolation" },
{ "ViewMenu", NULL, "_View" },
@ -317,6 +323,26 @@ static const GtkRadioActionEntry rotation_entries[] = {
{ "rotate_270", "gtk-orientation-reverse-landscape", "_270",NULL, NULL, 270 },
};
/* When adding modes here remember to add the relevent entry to screen_size */
enum orientation_enum {
ORIENT_VERTICAL = 0,
ORIENT_HORIZONTAL = 1,
ORIENT_N
};
static const GtkRadioActionEntry orientation_entries[] = {
{ "orient_vertical", NULL, "_Vertical", NULL, NULL, ORIENT_VERTICAL },
{ "orient_horizontal", NULL, "_Horizontal", NULL, NULL, ORIENT_HORIZONTAL },
};
struct screen_size_t {
gint width;
gint height;
};
const struct screen_size_t screen_size[ORIENT_N] = {{256, 384}, {512, 192}};
enum frameskip_enum {
FRAMESKIP_0 = 0,
FRAMESKIP_1 = 1,
@ -536,9 +562,18 @@ static GtkWidget *pDrawingArea;
GtkActionGroup * action_group;
GtkUIManager *ui_manager;
guint nds_gap_size = 0;
float nds_screen_size_ratio = 1.0f;
int nds_screen_rotation_angle = 0;
struct nds_screen_t {
float size_ratio;
guint gap_size;
gint rotation_angle;
guint orientation;
gint touch_x;
gint touch_y;
gint touch_width;
gint touch_height;
};
struct nds_screen_t nds_screen;
static BOOL regMainLoop = FALSE;
@ -970,38 +1005,32 @@ static void Reset()
static void UpdateDrawingAreaAspect()
{
gint H, W;
switch (nds_screen_rotation_angle) {
case 0:
case 180:
W = 256;
H = 384 + nds_gap_size;
break;
case 90:
case 270:
W = 384 + nds_gap_size;
H = 256;
break;
default:
g_printerr("Congratulations, you've managed to set unsupported screen rotation angle (%d), resetting angle to 0\n",
nds_screen_rotation_angle);
nds_screen_rotation_angle = 0;
W = 256;
H = 384 + nds_gap_size;
break;
}
if (nds_screen.rotation_angle == 0 || nds_screen.rotation_angle == 180) {
W = screen_size[nds_screen.orientation].width;
H = screen_size[nds_screen.orientation].height + nds_screen.gap_size;
} else {
W = screen_size[nds_screen.orientation].height;
H = screen_size[nds_screen.orientation].width + nds_screen.gap_size;
}
gtk_widget_set_size_request(GTK_WIDGET(pDrawingArea), W, H);
}
static void ToggleGap(GtkToggleAction* action)
{
nds_gap_size = gtk_toggle_action_get_active(action) ? GAP_SIZE : 0;
nds_screen.gap_size = gtk_toggle_action_get_active(action) ? GAP_SIZE : 0;
UpdateDrawingAreaAspect();
}
static void SetRotation(GtkAction *action, GtkRadioAction *current)
{
nds_screen_rotation_angle = gtk_radio_action_get_current_value(current);
nds_screen.rotation_angle = gtk_radio_action_get_current_value(current);
UpdateDrawingAreaAspect();
}
static void SetOrientation(GtkAction *action, GtkRadioAction *current)
{
nds_screen.orientation = gtk_radio_action_get_current_value(current);
UpdateDrawingAreaAspect();
}
@ -1010,51 +1039,55 @@ static int ConfigureDrawingArea(GtkWidget *widget, GdkEventConfigure *event, gpo
return TRUE;
}
static inline void gpu_screen_to_rgb(guchar * rgb, int size)
{
gint rot = nds_screen.rotation_angle;
gint height, width;
u16 gpu_pixel;
int rot = nds_screen_rotation_angle;
u32 offset;
width = screen_size[nds_screen.orientation].width;
height = screen_size[nds_screen.orientation].height;
memset(rgb, 0, size);
for (int i = 0; i < 256; i++) {
for (int j = 0; j < 384; j++) {
for (gint i = 0; i < width; i++) {
for (gint j = 0; j < height; j++) {
gint row = j, col = i;
if (i >= 256) {
col = i - 256;
row = j + 192;
}
gpu_pixel = *((u16 *) & GPU_screen[(col + row * 256) << 1]);
gpu_pixel = *((u16 *) & GPU_screen[(i + j * 256) << 1]);
u32 offset;
if (rot == 0 || rot == 180)
offset = i * 3 + j * 3 * 256;
offset = i * 3 + j * 3 * width;
else
offset = j * 3 + (255 - i) * 3 * 384;
switch (rot) {
case 0:
case 270:
offset = j * 3 + (width - i - 1) * 3 * height;
if (rot == 90 || rot == 180)
offset = size - offset - 3;
*(rgb + offset + 0) = ((gpu_pixel >> 0) & 0x1f) << 3;
*(rgb + offset + 1) = ((gpu_pixel >> 5) & 0x1f) << 3;
*(rgb + offset + 2) = ((gpu_pixel >> 10) & 0x1f) << 3;
break;
case 180:
case 90:
*(rgb + size - offset - 3) =
((gpu_pixel >> 0) & 0x1f) << 3;
*(rgb + size - offset - 2) =
((gpu_pixel >> 5) & 0x1f) << 3;
*(rgb + size - offset - 1) =
((gpu_pixel >> 10) & 0x1f) << 3;
break;
}
}
}
}
/* Drawing callback */
static int ExposeDrawingArea (GtkWidget *widget, GdkEventExpose *event, gpointer data)
static gboolean ExposeDrawingArea (GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
GdkPixbuf *origPixbuf, *resizedPixbuf = NULL, *drawPixbuf;
GdkPixbuf *resizedPixbuf, *drawPixbuf;
guchar rgb[SCREENS_PIXEL_SIZE*SCREEN_BYTES_PER_PIXEL];
float ssize, vratio, hratio;
gint daW, daH, imgH, imgW, xoff, yoff, xsize, ysize, xs, ys, xd, yd;
int rot = (nds_screen_rotation_angle % 180 == 90);
gfloat vratio, hratio;
gint daW, daH, imgW, imgH,
primaryOffsetX, primaryOffsetY, secondaryOffsetX, secondaryOffsetY,
primaryPixbufOffsetX, primaryPixbufOffsetY, secondaryPixbufOffsetX, secondaryPixbufOffsetY,
screenW, screenH, gapW, gapH;
const gboolean gap_vertical = ((nds_screen.orientation == ORIENT_VERTICAL) ^ (nds_screen.rotation_angle == 90 || nds_screen.rotation_angle == 270));
#if GTK_CHECK_VERSION(2,14,0)
gdk_drawable_get_size(
@ -1064,60 +1097,82 @@ static int ExposeDrawingArea (GtkWidget *widget, GdkEventExpose *event, gpointer
(GTK_WIDGET(pDrawingArea))->window, &daW, &daH);
#endif
if(!rot){
imgW = 256; imgH = 384;
daH -= nds_gap_size;
if (nds_screen.rotation_angle == 0 || nds_screen.rotation_angle == 180) {
imgW = screen_size[nds_screen.orientation].width;
imgH = screen_size[nds_screen.orientation].height;
} else {
imgH = 256; imgW = 384;
daW -= nds_gap_size;
imgH = screen_size[nds_screen.orientation].width;
imgW = screen_size[nds_screen.orientation].height;
}
hratio = (float)daW / (float)imgW;
vratio = (float)daH / (float)imgH;
ssize = MIN(hratio, vratio);
nds_screen_size_ratio = 1 / (float)ssize;
xoff = (daW-ssize*imgW)/2;
yoff = (daH-ssize*imgH)/2;
if(!rot){
xsize = ssize*imgW;
ysize = ssize*imgH/2;
xs = 0;
ys = ysize;
xd = xoff;
yd = yoff+ysize+nds_gap_size;
if (gap_vertical) {
gapH = nds_screen.gap_size;
gapW = 0;
} else {
xsize = ssize*imgW/2;
ysize = ssize*imgH;
xs = xsize;
ys = 0;
xd = xoff+xsize+nds_gap_size;
yd = yoff;
gapH = 0;
gapW = nds_screen.gap_size;
}
hratio = (float)(daW - gapW) / (float)imgW;
vratio = (float)(daH - gapH) / (float)imgH;
hratio = MIN(hratio, vratio);
vratio = hratio;
nds_screen.size_ratio = 1 / hratio;
primaryOffsetX = (daW-(int)(hratio*(float)imgW)-gapW)/2;
primaryOffsetY = (daH-(int)(vratio*(float)imgH)-gapH)/2;
if (gap_vertical) {
screenW = (int)(hratio*(float)imgW);
screenH = (int)(vratio*(float)imgH*0.5);
secondaryOffsetX = primaryOffsetX;
secondaryOffsetY = primaryOffsetY + screenH + gapH;
secondaryPixbufOffsetX = 0;
secondaryPixbufOffsetY = screenH;
} else {
screenW = (int)(hratio*(float)imgW*0.5);
screenH = (int)(vratio*(float)imgH);
secondaryOffsetX = primaryOffsetX + screenW + gapW;
secondaryOffsetY = primaryOffsetY;
secondaryPixbufOffsetX = screenW;
secondaryPixbufOffsetY = 0;
}
primaryPixbufOffsetX = 0;
primaryPixbufOffsetY = 0;
if ((nds_screen.orientation == ORIENT_VERTICAL && (nds_screen.rotation_angle == 90 || nds_screen.rotation_angle == 180))
|| (nds_screen.orientation == ORIENT_HORIZONTAL && (nds_screen.rotation_angle == 180 || nds_screen.rotation_angle == 270))) {
nds_screen.touch_x = primaryOffsetX;
nds_screen.touch_y = primaryOffsetY;
} else {
nds_screen.touch_x = secondaryOffsetX;
nds_screen.touch_y = secondaryOffsetY;
}
nds_screen.touch_width = screenW;
nds_screen.touch_height = screenH;
osd->update();
DrawHUD();
gpu_screen_to_rgb(rgb, SCREENS_PIXEL_SIZE*SCREEN_BYTES_PER_PIXEL);
origPixbuf = gdk_pixbuf_new_from_data(rgb, GDK_COLORSPACE_RGB,
0, 8, imgW, imgH, imgW*SCREEN_BYTES_PER_PIXEL, NULL, NULL);
drawPixbuf = origPixbuf;
gpu_screen_to_rgb(rgb, imgW*imgH*SCREEN_BYTES_PER_PIXEL);
drawPixbuf = gdk_pixbuf_new_from_data(rgb, GDK_COLORSPACE_RGB,
FALSE, 8, imgW, imgH, imgW*SCREEN_BYTES_PER_PIXEL, NULL, NULL);
if(nds_screen_size_ratio != 1.0) {
resizedPixbuf = gdk_pixbuf_scale_simple (origPixbuf, ssize*imgW, ssize*imgH,
if ((hratio != 1.0) || (vratio != 1.0)) {
resizedPixbuf = gdk_pixbuf_scale_simple (drawPixbuf, hratio*imgW, vratio*imgH,
Interpolation);
g_object_unref(drawPixbuf);
drawPixbuf = resizedPixbuf;
}
gdk_draw_pixbuf(widget->window, NULL, drawPixbuf, 0,0, xoff, yoff, xsize, ysize,
gdk_draw_pixbuf(widget->window, NULL, drawPixbuf, primaryPixbufOffsetX, primaryPixbufOffsetY, primaryOffsetX, primaryOffsetY, screenW, screenH,
GDK_RGB_DITHER_NONE, 0,0);
gdk_draw_pixbuf(widget->window, NULL, drawPixbuf, xs, ys, xd, yd, xsize,ysize,
gdk_draw_pixbuf(widget->window, NULL, drawPixbuf, secondaryPixbufOffsetX, secondaryPixbufOffsetY, secondaryOffsetX, secondaryOffsetY, screenW, screenH,
GDK_RGB_DITHER_NONE, 0,0);
drawPixbuf = NULL;
if(nds_screen_size_ratio != 1.0) {
if ((hratio != 1.0) || (vratio != 1.0))
g_object_unref(resizedPixbuf);
}
g_object_unref(origPixbuf);
return TRUE;
}
@ -1126,34 +1181,26 @@ static int ExposeDrawingArea (GtkWidget *widget, GdkEventExpose *event, gpointer
static inline void rotoscaled_touchpos(gint x, gint y)
{
int X, Y, rot, inv, dah, daw, gap_corr;
u16 EmuX, EmuY;
gint X, Y;
rot = ( nds_screen_rotation_angle == 90 || nds_screen_rotation_angle == 270);
inv = ( nds_screen_rotation_angle == 180 || nds_screen_rotation_angle == 90);
gap_corr = inv ? 0 : nds_gap_size;
dah = GTK_WIDGET(pDrawingArea)->allocation.height;
daw = GTK_WIDGET(pDrawingArea)->allocation.width;
if(!rot){
X = x - (daw-256/nds_screen_size_ratio)/2;
Y = y - (dah-nds_gap_size-384/nds_screen_size_ratio)/2-gap_corr;
if (nds_screen.rotation_angle == 0 || nds_screen.rotation_angle == 180) {
X = (x - nds_screen.touch_x) * 256 / nds_screen.touch_width;
Y = (y - nds_screen.touch_y) * 192 / nds_screen.touch_height;
} else {
X = y - (dah-256/nds_screen_size_ratio)/2;
Y = x - (daw-nds_gap_size-384/nds_screen_size_ratio)/2-gap_corr;
}
X = int (X * nds_screen_size_ratio);
Y = int (Y * nds_screen_size_ratio)-192;
if(inv){
Y = -Y;
X = (y - nds_screen.touch_y) * 256 / nds_screen.touch_height;
Y = (x - nds_screen.touch_x) * 192 / nds_screen.touch_width;
}
if((inv && !rot) || (!inv && rot)){
if (nds_screen.rotation_angle == 180 || nds_screen.rotation_angle == 270) {
X = 255 - X;
}
LOG("X=%d, Y=%d\n", x,y);
if (nds_screen.rotation_angle == 90 || nds_screen.rotation_angle == 180) {
Y = 191 - Y;
}
LOG("X=%d, Y=%d\n",x,y);
// FIXME: should ignore events only when STARTING touched-position
// was outside touchscreen - desmume window does not have physical band
// to limit movement of stylus
@ -2012,6 +2059,10 @@ common_gtk_main( struct configured_features *my_config)
keyfile = desmume_config_read_file(gtk_kb_cfg);
memset(&nds_screen, 0, sizeof(nds_screen));
nds_screen.orientation = ORIENT_VERTICAL;
nds_screen.size_ratio = 1.0f;
/* Create the window */
pWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(pWindow), "Desmume");
@ -2043,6 +2094,8 @@ common_gtk_main( struct configured_features *my_config)
0, G_CALLBACK(Modify_Frameskip), NULL);
gtk_action_group_add_radio_actions(action_group, rotation_entries, G_N_ELEMENTS(rotation_entries),
0, G_CALLBACK(SetRotation), NULL);
gtk_action_group_add_radio_actions(action_group, orientation_entries, G_N_ELEMENTS(orientation_entries),
0, G_CALLBACK(SetOrientation), NULL);
{
GList * list = gtk_action_group_list_actions(action_group);
g_list_foreach(list, dui_set_accel_group, accel_group);