diff options
Diffstat (limited to 'src/libui_sdl/libui/unix/area.c')
| -rw-r--r-- | src/libui_sdl/libui/unix/area.c | 853 |
1 files changed, 0 insertions, 853 deletions
diff --git a/src/libui_sdl/libui/unix/area.c b/src/libui_sdl/libui/unix/area.c deleted file mode 100644 index 5734b4b..0000000 --- a/src/libui_sdl/libui/unix/area.c +++ /dev/null @@ -1,853 +0,0 @@ -// 4 september 2015 -#include "uipriv_unix.h" - -extern GThread* gtkthread; - -// notes: -// - G_DECLARE_DERIVABLE/FINAL_INTERFACE() requires glib 2.44 and that's starting with debian stretch (testing) (GTK+ 3.18) and ubuntu 15.04 (GTK+ 3.14) - debian jessie has 2.42 (GTK+ 3.14) -#define areaWidgetType (areaWidget_get_type()) -#define areaWidget(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), areaWidgetType, areaWidget)) -#define isAreaWidget(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), areaWidgetType)) -#define areaWidgetClass(class) (G_TYPE_CHECK_CLASS_CAST((class), areaWidgetType, areaWidgetClass)) -#define isAreaWidgetClass(class) (G_TYPE_CHECK_CLASS_TYPE((class), areaWidget)) -#define getAreaWidgetClass(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), areaWidgetType, areaWidgetClass)) - -typedef struct areaWidget areaWidget; -typedef struct areaWidgetClass areaWidgetClass; - -struct areaWidget { - GtkDrawingArea parent_instance; - uiArea *a; - // construct-only parameters aare not set until after the init() function has returned - // we need this particular object available during init(), so put it here instead of in uiArea - // keep a pointer in uiArea for convenience, though - clickCounter cc; -}; - -struct areaWidgetClass { - GtkDrawingAreaClass parent_class; -}; - -typedef struct uiGLContext uiGLContext; - -struct uiArea { - uiUnixControl c; - GtkWidget *widget; // either swidget or areaWidget depending on whether it is scrolling - - GtkWidget *swidget; - GtkContainer *scontainer; - GtkScrolledWindow *sw; - - GtkWidget *areaWidget; - GtkDrawingArea *drawingArea; - areaWidget *area; - - gboolean opengl; - uiGLContext *glContext; - unsigned int* req_versions; - - int bgR, bgG, bgB; - - uiAreaHandler *ah; - - gboolean scrolling; - int scrollWidth; - int scrollHeight; - - // note that this is a pointer; see above - clickCounter *cc; - - // for user window drags - GdkEventButton *dragevent; -}; - -G_DEFINE_TYPE(areaWidget, areaWidget, GTK_TYPE_DRAWING_AREA) - -int boub(GtkWidget* w) { return isAreaWidget(w); } -void baba(GtkWidget* w) -{ - if (!isAreaWidget(w)) return; - - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - if (!a->opengl) return; - - GdkGLContext* oldctx = gdk_gl_context_get_current(); - uiGLMakeContextCurrent(a->glContext); - glFinish(); - gdk_gl_context_make_current(oldctx); -} - -static void areaWidget_init(areaWidget *aw) -{ - // for events - gtk_widget_add_events(GTK_WIDGET(aw), - GDK_POINTER_MOTION_MASK | - GDK_BUTTON_MOTION_MASK | - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_KEY_PRESS_MASK | - GDK_KEY_RELEASE_MASK | - GDK_ENTER_NOTIFY_MASK | - GDK_LEAVE_NOTIFY_MASK); - - gtk_widget_set_can_focus(GTK_WIDGET(aw), TRUE); - - clickCounterReset(&(aw->cc)); -} - -static void areaWidget_dispose(GObject *obj) -{ - // remove any draw order that might still be pending - areaWidget *aw = areaWidget(obj); - while (g_idle_remove_by_data(aw->a)); - - G_OBJECT_CLASS(areaWidget_parent_class)->dispose(obj); -} - -static void areaWidget_finalize(GObject *obj) -{ - G_OBJECT_CLASS(areaWidget_parent_class)->finalize(obj); -} - -static void areaWidget_size_allocate(GtkWidget *w, GtkAllocation *allocation) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - - // GtkDrawingArea has a size_allocate() implementation; we need to call it - // this will call gtk_widget_set_allocation() for us - GTK_WIDGET_CLASS(areaWidget_parent_class)->size_allocate(w, allocation); - - if (!a->scrolling) - // we must redraw everything on resize because Windows requires it - gtk_widget_queue_resize(w); - - a->ah->Resize(a->ah, a, allocation->width, allocation->height); -} - -static void loadAreaSize(uiArea *a, double *width, double *height) -{ - GtkAllocation allocation; - - *width = 0; - *height = 0; - // don't provide size information for scrolling areas - if (!a->scrolling) { - gtk_widget_get_allocation(a->areaWidget, &allocation); - // these are already in drawing space coordinates - // for drawing, the size of drawing space has the same value as the widget allocation - // thanks to tristan in irc.gimp.net/#gtk+ - *width = allocation.width; - *height = allocation.height; - } -} - -static gboolean areaWidget_draw(GtkWidget *w, cairo_t *cr) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - uiAreaDrawParams dp; - double clipX0, clipY0, clipX1, clipY1; - - dp.Context = newContext(cr); - - loadAreaSize(a, &(dp.AreaWidth), &(dp.AreaHeight)); - - if (!a->opengl) - { - cairo_clip_extents(cr, &clipX0, &clipY0, &clipX1, &clipY1); - dp.ClipX = clipX0; - dp.ClipY = clipY0; - dp.ClipWidth = clipX1 - clipX0; - dp.ClipHeight = clipY1 - clipY0; - - if (a->bgR != -1) - { - cairo_set_source_rgb(cr, a->bgR/255.0, a->bgG/255.0, a->bgB/255.0); - cairo_paint(cr); - } - - // no need to save or restore the graphics state to reset transformations; GTK+ does that for us - (*(a->ah->Draw))(a->ah, a, &dp); - } - else - { - areaDrawGL(w, &dp, cr, a->glContext); - } - - freeContext(dp.Context); - return FALSE; -} - -// to do this properly for scrolling areas, we need to -// - return the same value for min and nat -// - call gtk_widget_queue_resize() when the size changes -// thanks to Company in irc.gimp.net/#gtk+ -static void areaWidget_get_preferred_height(GtkWidget *w, gint *min, gint *nat) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - - // always chain up just in case - GTK_WIDGET_CLASS(areaWidget_parent_class)->get_preferred_height(w, min, nat); - if (a->scrolling) { - *min = a->scrollHeight; - *nat = a->scrollHeight; - } - - // TODO: min size -} - -static void areaWidget_get_preferred_width(GtkWidget *w, gint *min, gint *nat) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - - // always chain up just in case - GTK_WIDGET_CLASS(areaWidget_parent_class)->get_preferred_width(w, min, nat); - if (a->scrolling) { - *min = a->scrollWidth; - *nat = a->scrollWidth; - } -} - -static guint translateModifiers(guint state, GdkWindow *window) -{ - GdkModifierType statetype; - - // GDK doesn't initialize the modifier flags fully; we have to explicitly tell it to (thanks to Daniel_S and daniels (two different people) in irc.gimp.net/#gtk+) - statetype = state; - gdk_keymap_add_virtual_modifiers( - gdk_keymap_get_for_display(gdk_window_get_display(window)), - &statetype); - return statetype; -} - -static uiModifiers toModifiers(guint state) -{ - uiModifiers m; - - m = 0; - if ((state & GDK_CONTROL_MASK) != 0) - m |= uiModifierCtrl; - if ((state & GDK_META_MASK) != 0) - m |= uiModifierAlt; - if ((state & GDK_MOD1_MASK) != 0) // GTK+ itself requires this to be Alt (just read through gtkaccelgroup.c) - m |= uiModifierAlt; - if ((state & GDK_SHIFT_MASK) != 0) - m |= uiModifierShift; - if ((state & GDK_SUPER_MASK) != 0) - m |= uiModifierSuper; - return m; -} - -// capture on drag is done automatically on GTK+ -static void finishMouseEvent(uiArea *a, uiAreaMouseEvent *me, guint mb, gdouble x, gdouble y, guint state, GdkWindow *window) -{ - // on GTK+, mouse buttons 4-7 are for scrolling; if we got here, that's a mistake - if (mb >= 4 && mb <= 7) - return; - // if the button ID >= 8, continue counting from 4, as in the MouseEvent spec - if (me->Down >= 8) - me->Down -= 4; - if (me->Up >= 8) - me->Up -= 4; - - state = translateModifiers(state, window); - me->Modifiers = toModifiers(state); - - // the mb != # checks exclude the Up/Down button from Held - me->Held1To64 = 0; - if (mb != 1 && (state & GDK_BUTTON1_MASK) != 0) - me->Held1To64 |= 1 << 0; - if (mb != 2 && (state & GDK_BUTTON2_MASK) != 0) - me->Held1To64 |= 1 << 1; - if (mb != 3 && (state & GDK_BUTTON3_MASK) != 0) - me->Held1To64 |= 1 << 2; - // don't check GDK_BUTTON4_MASK or GDK_BUTTON5_MASK because those are for the scrolling buttons mentioned above - // GDK expressly does not support any more buttons in the GdkModifierType; see https://git.gnome.org/browse/gtk+/tree/gdk/x11/gdkdevice-xi2.c#n763 (thanks mclasen in irc.gimp.net/#gtk+) - - // these are already in drawing space coordinates - // the size of drawing space has the same value as the widget allocation - // thanks to tristan in irc.gimp.net/#gtk+ - me->X = x; - me->Y = y; - - loadAreaSize(a, &(me->AreaWidth), &(me->AreaHeight)); - - (*(a->ah->MouseEvent))(a->ah, a, me); -} - -static gboolean areaWidget_button_press_event(GtkWidget *w, GdkEventButton *e) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - gint maxTime, maxDistance; - GtkSettings *settings; - uiAreaMouseEvent me; - - // clicking doesn't automatically transfer keyboard focus; we must do so manually (thanks tristan in irc.gimp.net/#gtk+) - gtk_widget_grab_focus(w); - - // we handle multiple clicks ourselves here, in the same way as we do on Windows - if (e->type != GDK_BUTTON_PRESS) - // ignore GDK's generated double-clicks and beyond - return GDK_EVENT_PROPAGATE; - settings = gtk_widget_get_settings(w); - g_object_get(settings, - "gtk-double-click-time", &maxTime, - "gtk-double-click-distance", &maxDistance, - NULL); - // don't unref settings; it's transfer-none (thanks gregier in irc.gimp.net/#gtk+) - // e->time is guint32 - // e->x and e->y are floating-point; just make them 32-bit integers - // maxTime and maxDistance... are gint, which *should* fit, hopefully... - me.Count = clickCounterClick(a->cc, me.Down, - e->x, e->y, - e->time, maxTime, - maxDistance, maxDistance); - - me.Down = e->button; - me.Up = 0; - - // and set things up for window drags - a->dragevent = e; - finishMouseEvent(a, &me, e->button, e->x, e->y, e->state, e->window); - a->dragevent = NULL; - return GDK_EVENT_PROPAGATE; -} - -static gboolean areaWidget_button_release_event(GtkWidget *w, GdkEventButton *e) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - uiAreaMouseEvent me; - - me.Down = 0; - me.Up = e->button; - me.Count = 0; - finishMouseEvent(a, &me, e->button, e->x, e->y, e->state, e->window); - return GDK_EVENT_PROPAGATE; -} - -static gboolean areaWidget_motion_notify_event(GtkWidget *w, GdkEventMotion *e) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - uiAreaMouseEvent me; - - me.Down = 0; - me.Up = 0; - me.Count = 0; - finishMouseEvent(a, &me, 0, e->x, e->y, e->state, e->window); - return GDK_EVENT_PROPAGATE; -} - -// we want switching away from the control to reset the double-click counter, like with WM_ACTIVATE on Windows -// according to tristan in irc.gimp.net/#gtk+, doing this on both enter-notify-event and leave-notify-event is correct (and it seems to be true in my own tests; plus the events DO get sent when switching programs with the keyboard (just pointing that out)) -static gboolean onCrossing(areaWidget *aw, int left) -{ - uiArea *a = aw->a; - - (*(a->ah->MouseCrossed))(a->ah, a, left); - clickCounterReset(a->cc); - return GDK_EVENT_PROPAGATE; -} - -static gboolean areaWidget_enter_notify_event(GtkWidget *w, GdkEventCrossing *e) -{ - return onCrossing(areaWidget(w), 0); -} - -static gboolean areaWidget_leave_notify_event(GtkWidget *w, GdkEventCrossing *e) -{ - return onCrossing(areaWidget(w), 1); -} - -// note: there is no equivalent to WM_CAPTURECHANGED on GTK+; there literally is no way to break a grab like that (at least not on X11 and Wayland) -// even if I invoke the task switcher and switch processes, the mouse grab will still be held until I let go of all buttons -// therefore, no DragBroken() - -// we use GDK_KEY_Print as a sentinel because libui will never support the print screen key; that key belongs to the user - -static const struct { - guint keyval; - uiExtKey extkey; -} extKeys[] = { - { GDK_KEY_Escape, uiExtKeyEscape }, - { GDK_KEY_Insert, uiExtKeyInsert }, - { GDK_KEY_Delete, uiExtKeyDelete }, - { GDK_KEY_Home, uiExtKeyHome }, - { GDK_KEY_End, uiExtKeyEnd }, - { GDK_KEY_Page_Up, uiExtKeyPageUp }, - { GDK_KEY_Page_Down, uiExtKeyPageDown }, - { GDK_KEY_Up, uiExtKeyUp }, - { GDK_KEY_Down, uiExtKeyDown }, - { GDK_KEY_Left, uiExtKeyLeft }, - { GDK_KEY_Right, uiExtKeyRight }, - { GDK_KEY_F1, uiExtKeyF1 }, - { GDK_KEY_F2, uiExtKeyF2 }, - { GDK_KEY_F3, uiExtKeyF3 }, - { GDK_KEY_F4, uiExtKeyF4 }, - { GDK_KEY_F5, uiExtKeyF5 }, - { GDK_KEY_F6, uiExtKeyF6 }, - { GDK_KEY_F7, uiExtKeyF7 }, - { GDK_KEY_F8, uiExtKeyF8 }, - { GDK_KEY_F9, uiExtKeyF9 }, - { GDK_KEY_F10, uiExtKeyF10 }, - { GDK_KEY_F11, uiExtKeyF11 }, - { GDK_KEY_F12, uiExtKeyF12 }, - // numpad numeric keys and . are handled in events.c - { GDK_KEY_KP_Enter, uiExtKeyNEnter }, - { GDK_KEY_KP_Add, uiExtKeyNAdd }, - { GDK_KEY_KP_Subtract, uiExtKeyNSubtract }, - { GDK_KEY_KP_Multiply, uiExtKeyNMultiply }, - { GDK_KEY_KP_Divide, uiExtKeyNDivide }, - { GDK_KEY_Print, 0 }, -}; - -static const struct { - guint keyval; - uiModifiers mod; -} modKeys[] = { - { GDK_KEY_Control_L, uiModifierCtrl }, - { GDK_KEY_Control_R, uiModifierCtrl }, - { GDK_KEY_Alt_L, uiModifierAlt }, - { GDK_KEY_Alt_R, uiModifierAlt }, - { GDK_KEY_Meta_L, uiModifierAlt }, - { GDK_KEY_Meta_R, uiModifierAlt }, - { GDK_KEY_Shift_L, uiModifierShift }, - { GDK_KEY_Shift_R, uiModifierShift }, - { GDK_KEY_Super_L, uiModifierSuper }, - { GDK_KEY_Super_R, uiModifierSuper }, - { GDK_KEY_Print, 0 }, -}; - -// http://www.comptechdoc.org/os/linux/howlinuxworks/linux_hlkeycodes.html -int scancode_unix2normal(int scan) -{ - scan -= 8; - - // extended keys get weird scancodes. fix 'em up - switch (scan) - { - case 0x60: return 0x11C; - case 0x61: return 0x11D; - case 0x62: return 0x135; - case 0x63: return 0x137; - case 0x64: return 0x138; - case 0x66: return 0x147; - case 0x67: return 0x148; - case 0x68: return 0x149; - case 0x69: return 0x14B; - case 0x6A: return 0x14D; - case 0x6B: return 0x14F; - case 0x6C: return 0x150; - case 0x6D: return 0x151; - case 0x6E: return 0x152; - case 0x6F: return 0x153; - case 0x77: return 0x45; // PAUSE, this one is weird. check it. - case 0x7D: return 0x15B; // Windows key - case 0x7F: return 0x15D; // context menu key - // TODO: there may be more fancy keys - default: return scan; - } -} - -int scancode_normal2unix(int scan) -{ - // extended keys get weird scancodes. fix 'em up - switch (scan) - { - case 0x11C: return 8+0x60; - case 0x11D: return 8+0x61; - case 0x135: return 8+0x62; - case 0x137: return 8+0x63; - case 0x138: return 8+0x64; - case 0x147: return 8+0x66; - case 0x148: return 8+0x67; - case 0x149: return 8+0x68; - case 0x14B: return 8+0x69; - case 0x14D: return 8+0x6A; - case 0x14F: return 8+0x6B; - case 0x150: return 8+0x6C; - case 0x151: return 8+0x6D; - case 0x152: return 8+0x6E; - case 0x153: return 8+0x6F; - case 0x45: return 8+0x77; // PAUSE, this one is weird. check it. - case 0x15B: return 8+0x7D; // Windows key - case 0x15D: return 8+0x7F; // context menu key - // TODO: there may be more fancy keys - default: return scan + 8; - } -} - -static int areaKeyEvent(uiArea *a, int up, GdkEventKey *e) -{ - uiAreaKeyEvent ke; - guint state; - int i; - - ke.Key = 0; - ke.ExtKey = 0; - ke.Modifier = 0; - - state = translateModifiers(e->state, e->window); - ke.Modifiers = toModifiers(state); - - ke.Up = up; - ke.Repeat = 0; // TODO!!!!! - - ke.Scancode = scancode_unix2normal(e->hardware_keycode); - -#if 0 - for (i = 0; extKeys[i].keyval != GDK_KEY_Print; i++) - if (extKeys[i].keyval == e->keyval) { - ke.ExtKey = extKeys[i].extkey; - goto keyFound; - } - - for (i = 0; modKeys[i].keyval != GDK_KEY_Print; i++) - if (modKeys[i].keyval == e->keyval) { - ke.Modifier = modKeys[i].mod; - // don't include the modifier in ke.Modifiers - ke.Modifiers &= ~ke.Modifier; - goto keyFound; - } - - if (fromScancode(e->hardware_keycode - 8, &ke)) - goto keyFound; - - // no supported key found; treat as unhandled - return 0; - -keyFound: -#endif - return (*(a->ah->KeyEvent))(a->ah, a, &ke); -} - -static gboolean areaWidget_key_press_event(GtkWidget *w, GdkEventKey *e) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - - if (areaKeyEvent(a, 0, e)) - return GDK_EVENT_STOP; - return GDK_EVENT_PROPAGATE; -} - -static gboolean areaWidget_key_release_event(GtkWidget *w, GdkEventKey *e) -{ - areaWidget *aw = areaWidget(w); - uiArea *a = aw->a; - - if (areaKeyEvent(a, 1, e)) - return GDK_EVENT_STOP; - return GDK_EVENT_PROPAGATE; -} - -char* uiKeyName(int scancode) -{ - scancode = scancode_normal2unix(scancode); - - char* ret; - guint* keyvals; int num; - GdkKeymap* keymap = gdk_keymap_get_for_display(gdk_display_get_default()); - if (gdk_keymap_get_entries_for_keycode(keymap, scancode, NULL, &keyvals, &num)) - { - // TODO: pick smarter?? - int keyval = keyvals[0]; - - g_free(keyvals); - - ret = gdk_keyval_name(keyval); - } - else - { - char tmp[16]; - sprintf(tmp, "#%03X", scancode); - ret = tmp; - } - - return uiUnixStrdupText(ret); -} - -enum { - pArea = 1, - nProps, -}; - -static GParamSpec *pspecArea; - -static void areaWidget_set_property(GObject *obj, guint prop, const GValue *value, GParamSpec *pspec) -{ - areaWidget *aw = areaWidget(obj); - - switch (prop) { - case pArea: - aw->a = (uiArea *) g_value_get_pointer(value); - aw->a->cc = &(aw->cc); - return; - } - G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, prop, pspec); -} - -static void areaWidget_get_property(GObject *obj, guint prop, GValue *value, GParamSpec *pspec) -{ - G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, prop, pspec); -} - -static void areaWidget_class_init(areaWidgetClass *class) -{ - G_OBJECT_CLASS(class)->dispose = areaWidget_dispose; - G_OBJECT_CLASS(class)->finalize = areaWidget_finalize; - G_OBJECT_CLASS(class)->set_property = areaWidget_set_property; - G_OBJECT_CLASS(class)->get_property = areaWidget_get_property; - - GTK_WIDGET_CLASS(class)->size_allocate = areaWidget_size_allocate; - GTK_WIDGET_CLASS(class)->draw = areaWidget_draw; - GTK_WIDGET_CLASS(class)->get_preferred_height = areaWidget_get_preferred_height; - GTK_WIDGET_CLASS(class)->get_preferred_width = areaWidget_get_preferred_width; - GTK_WIDGET_CLASS(class)->button_press_event = areaWidget_button_press_event; - GTK_WIDGET_CLASS(class)->button_release_event = areaWidget_button_release_event; - GTK_WIDGET_CLASS(class)->motion_notify_event = areaWidget_motion_notify_event; - GTK_WIDGET_CLASS(class)->enter_notify_event = areaWidget_enter_notify_event; - GTK_WIDGET_CLASS(class)->leave_notify_event = areaWidget_leave_notify_event; - GTK_WIDGET_CLASS(class)->key_press_event = areaWidget_key_press_event; - GTK_WIDGET_CLASS(class)->key_release_event = areaWidget_key_release_event; - - pspecArea = g_param_spec_pointer("libui-area", - "libui-area", - "uiArea.", - G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); - g_object_class_install_property(G_OBJECT_CLASS(class), pArea, pspecArea); -} - -// control implementation - -uiUnixControlAllDefaultsExceptDestroy(uiArea) - -static void uiAreaDestroy(uiControl *c) -{ - uiArea* a = uiArea(c); - if (a->opengl && a->glContext) freeGLContext(a->glContext); - g_object_unref(uiArea(c)->widget); - uiFreeControl(c); -} - -void uiAreaSetBackgroundColor(uiArea *a, int r, int g, int b) -{ - a->bgR = r; - a->bgG = g; - a->bgB = b; -} - -void uiAreaSetSize(uiArea *a, int width, int height) -{ - if (!a->scrolling) - userbug("You cannot call uiAreaSetSize() on a non-scrolling uiArea. (area: %p)", a); - a->scrollWidth = width; - a->scrollHeight = height; - gtk_widget_queue_resize(a->areaWidget); -} - -gboolean _threadsaferefresh(gpointer data) -{ - uiArea* a = (uiArea*)data; - gtk_widget_queue_draw(a->areaWidget); - return FALSE; -} - -void uiAreaQueueRedrawAll(uiArea *a) -{ - // TODO: figure out how we could generalize the "thread-safe function call" mechanism - if (g_thread_self() != gtkthread) - g_idle_add(_threadsaferefresh, a); - else - gtk_widget_queue_draw(a->areaWidget); -} - -void uiAreaScrollTo(uiArea *a, double x, double y, double width, double height) -{ - // TODO - // TODO adjust adjustments and find source for that -} - -void uiAreaBeginUserWindowMove(uiArea *a) -{ - GtkWidget *toplevel; - - if (a->dragevent == NULL) - userbug("cannot call uiAreaBeginUserWindowMove() outside of a Mouse() with Down != 0"); - // TODO don't we have a libui function for this? did I scrap it? - // TODO widget or areaWidget? - toplevel = gtk_widget_get_toplevel(a->widget); - if (toplevel == NULL) { - // TODO - return; - } - // the docs say to do this - if (!gtk_widget_is_toplevel(toplevel)) { - // TODO - return; - } - if (!GTK_IS_WINDOW(toplevel)) { - // TODO - return; - } - gtk_window_begin_move_drag(GTK_WINDOW(toplevel), - a->dragevent->button, - a->dragevent->x_root, // TODO are these correct? - a->dragevent->y_root, - a->dragevent->time); -} - -static const GdkWindowEdge edges[] = { - [uiWindowResizeEdgeLeft] = GDK_WINDOW_EDGE_WEST, - [uiWindowResizeEdgeTop] = GDK_WINDOW_EDGE_NORTH, - [uiWindowResizeEdgeRight] = GDK_WINDOW_EDGE_EAST, - [uiWindowResizeEdgeBottom] = GDK_WINDOW_EDGE_SOUTH, - [uiWindowResizeEdgeTopLeft] = GDK_WINDOW_EDGE_NORTH_WEST, - [uiWindowResizeEdgeTopRight] = GDK_WINDOW_EDGE_NORTH_EAST, - [uiWindowResizeEdgeBottomLeft] = GDK_WINDOW_EDGE_SOUTH_WEST, - [uiWindowResizeEdgeBottomRight] = GDK_WINDOW_EDGE_SOUTH_EAST, -}; - -void uiAreaBeginUserWindowResize(uiArea *a, uiWindowResizeEdge edge) -{ - GtkWidget *toplevel; - - if (a->dragevent == NULL) - userbug("cannot call uiAreaBeginUserWindowResize() outside of a Mouse() with Down != 0"); - // TODO don't we have a libui function for this? did I scrap it? - // TODO widget or areaWidget? - toplevel = gtk_widget_get_toplevel(a->widget); - if (toplevel == NULL) { - // TODO - return; - } - // the docs say to do this - if (!gtk_widget_is_toplevel(toplevel)) { - // TODO - return; - } - if (!GTK_IS_WINDOW(toplevel)) { - // TODO - return; - } - gtk_window_begin_resize_drag(GTK_WINDOW(toplevel), - edges[edge], - a->dragevent->button, - a->dragevent->x_root, // TODO are these correct? - a->dragevent->y_root, - a->dragevent->time); -} - -uiArea *uiNewArea(uiAreaHandler *ah) -{ - uiArea *a; - - uiUnixNewControl(uiArea, a); - - a->ah = ah; - a->scrolling = FALSE; - a->opengl = FALSE; - - a->areaWidget = GTK_WIDGET(g_object_new(areaWidgetType, - "libui-area", a, - NULL)); - a->drawingArea = GTK_DRAWING_AREA(a->areaWidget); - a->area = areaWidget(a->areaWidget); - - a->widget = a->areaWidget; - - uiAreaSetBackgroundColor(a, -1, -1, -1); - - return a; -} - -void _areaCreateGLContext(GtkWidget* widget, gpointer data) -{ - uiArea* a = (uiArea*)data; - - uiGLContext* ctx = NULL; - for (int i = 0; a->req_versions[i] && !ctx; i++) - { - int major = uiGLVerMajor(a->req_versions[i]); - int minor = uiGLVerMinor(a->req_versions[i]); - - // we cannot support any version older than 3.2 via GDK - if ((major < 3) || (major == 3 && minor < 2)) - break; - - ctx = createGLContext(widget, major, minor); - } - - a->glContext = ctx; -} - -uiArea *uiNewGLArea(uiAreaHandler *ah, const unsigned int* req_versions) -{ - uiArea *a; - - uiUnixNewControl(uiArea, a); - - a->ah = ah; - a->scrolling = FALSE; - a->opengl = TRUE; - - a->glContext = NULL; - a->req_versions = req_versions; - a->areaWidget = GTK_WIDGET(g_object_new(areaWidgetType, - "libui-area", a, - NULL)); - a->area = areaWidget(a->areaWidget); - - a->widget = a->areaWidget; - - g_signal_connect(a->widget, "realize", G_CALLBACK(_areaCreateGLContext), a); - - uiAreaSetBackgroundColor(a, -1, -1, -1); - - return a; -} - -uiGLContext *uiAreaGetGLContext(uiArea* a) -{ - if (!a) return NULL; - return a->glContext; -} - -uiArea *uiNewScrollingArea(uiAreaHandler *ah, int width, int height) -{ - uiArea *a; - - uiUnixNewControl(uiArea, a); - - a->ah = ah; - a->scrolling = TRUE; - a->scrollWidth = width; - a->scrollHeight = height; - a->opengl = FALSE; - - a->swidget = gtk_scrolled_window_new(NULL, NULL); - a->scontainer = GTK_CONTAINER(a->swidget); - a->sw = GTK_SCROLLED_WINDOW(a->swidget); - - a->areaWidget = GTK_WIDGET(g_object_new(areaWidgetType, - "libui-area", a, - NULL)); - a->drawingArea = GTK_DRAWING_AREA(a->areaWidget); - a->area = areaWidget(a->areaWidget); - - a->widget = a->swidget; - - uiAreaSetBackgroundColor(a, -1, -1, -1); - - gtk_container_add(a->scontainer, a->areaWidget); - // and make the area visible; only the scrolled window's visibility is controlled by libui - gtk_widget_show(a->areaWidget); - - return a; -} |