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author | Chris Young <chris@unsatisfactorysoftware.co.uk> | 2017-01-01 13:28:11 +0000 |
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committer | Chris Young <chris@unsatisfactorysoftware.co.uk> | 2017-01-01 13:28:11 +0000 |
commit | 8196f5b60241a6389ca3b76446de131a3dd2e891 (patch) | |
tree | cdf7bc38ca5e133f3d00de9ad78ca8aa1c9ad2e9 /frontends/amiga/corewindow.c | |
parent | bb2341898113f37936832c8828bd515c3e3860c9 (diff) | |
download | netsurf-8196f5b60241a6389ca3b76446de131a3dd2e891.tar.gz netsurf-8196f5b60241a6389ca3b76446de131a3dd2e891.tar.bz2 |
Basic template for an Amiga core window
Drawing and event processing not written yet
Diffstat (limited to 'frontends/amiga/corewindow.c')
-rw-r--r-- | frontends/amiga/corewindow.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/frontends/amiga/corewindow.c b/frontends/amiga/corewindow.c new file mode 100644 index 000000000..d8676fd50 --- /dev/null +++ b/frontends/amiga/corewindow.c @@ -0,0 +1,281 @@ +/* + * Copyright 2017 Chris Young <chris@unsatisfactorysoftware.co.uk> + * + * 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/>. + */ + +/** + * \file + * Amiga core window interface. + * + * Provides interface for core renderers to the Amiga Intuition drawable area. + * + * This module is an object that must be encapsulated. Client users + * should embed a struct ami_corewindow at the beginning of their + * context for this display surface, fill in relevant data and then + * call ami_corewindow_init() + * + * The Amiga core window structure requires the callback for draw, key and + * mouse operations. + */ + +#include "amiga/os3support.h" + +#include <assert.h> +#include <string.h> +#include <math.h> + +#include "utils/log.h" +#include "utils/utils.h" +#include "utils/messages.h" +#include "utils/utf8.h" +#include "netsurf/keypress.h" +#include "netsurf/mouse.h" +#include "desktop/plot_style.h" + +#include <proto/intuition.h> +#include <proto/utility.h> + +#include <classes/window.h> +#include <gadgets/scroller.h> +#include <intuition/icclass.h> + +#include "amiga/corewindow.h" +#include "amiga/misc.h" +#include "amiga/object.h" + +static void +ami_cw_close(void *w) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)w; + + ami_cw->close(ami_cw); +} + +HOOKF(void, ami_cw_idcmp_hook, Object *, object, struct IntuiMessage *) +{ + ULONG gid; + struct ami_corewindow *ami_cw = hook->h_Data; + struct IntuiWheelData *wheel; + + switch(msg->Class) + { + case IDCMP_IDCMPUPDATE: + gid = GetTagData( GA_ID, 0, msg->IAddress ); + + switch( gid ) + { + case GID_CW_HSCROLL: + case GID_CW_VSCROLL: + /* redraw */ + break; + } + break; +#ifdef __amigaos4__ + case IDCMP_EXTENDEDMOUSE: + if(msg->Code == IMSGCODE_INTUIWHEELDATA) + { + wheel = (struct IntuiWheelData *)msg->IAddress; + + //ami_tree_scroll(twin, (wheel->WheelX * 20), (wheel->WheelY * 20)); + } + break; +#endif + } +} + +/** + * Main event loop for our core window + */ +static BOOL +ami_cw_event(void *w) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)w; +//event loop goes here + return FALSE; +} + +static const struct ami_win_event_table ami_cw_table = { + ami_cw_event, + ami_cw_close, +}; + +/** + * callback from core to request a redraw + */ +static void +ami_cw_redraw_request(struct core_window *cw, const struct rect *r) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)cw; + +/* + toolkit_widget_queue_draw_area(example_cw->widget, + r->x0, r->y0, + r->x1 - r->x0, r->y1 - r->y0); +*/ +} + + +static void +ami_cw_get_window_dimensions(struct core_window *cw, int *width, int *height) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)cw; + struct IBox *bbox; + + if(ami_gui_get_space_box((Object *)ami_cw->objects[GID_CW_DRAW], &bbox) != NSERROR_OK) { + amiga_warn_user("NoMemory", ""); + return; + } + + *width = bbox->Width; + *height = bbox->Height; + + ami_gui_free_space_box(bbox); +} + + +static void +ami_cw_update_size(struct core_window *cw, int width, int height) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)cw; + + /* I'm assuming this is telling me the new page size, not wanting the window physically resized */ + int win_w, win_h; + ami_cw_get_window_dimensions((struct core_window *)ami_cw, &win_w, &win_h); + + if(ami_cw->objects[GID_CW_VSCROLL]) { + RefreshSetGadgetAttrs((struct Gadget *)ami_cw->objects[GID_CW_VSCROLL], ami_cw->win, NULL, + SCROLLER_Total, (ULONG)height, + SCROLLER_Visible, win_h, + TAG_DONE); + } + + if(ami_cw->objects[GID_CW_HSCROLL]) { + RefreshSetGadgetAttrs((struct Gadget *)ami_cw->objects[GID_CW_HSCROLL], ami_cw->win, NULL, + SCROLLER_Total, (ULONG)width, + SCROLLER_Visible, win_w, + TAG_DONE); + } +} + + +static void +ami_cw_scroll_visible(struct core_window *cw, const struct rect *r) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)cw; + + int scrollsetx; + int scrollsety; + int win_w, win_h; + int win_x0, win_x1; + int win_y0, win_y1; + + ami_cw_get_window_dimensions((struct core_window *)ami_cw, &win_w, &win_h); + + GetAttr(SCROLLER_Top, ami_cw->objects[GID_CW_VSCROLL], (ULONG *)&win_y0); + GetAttr(SCROLLER_Top, ami_cw->objects[GID_CW_HSCROLL], (ULONG *)&win_x0); + + win_x1 = win_x0 + win_w; + win_y1 = win_y0 + win_h; + + if(r->y1 > win_y1) scrollsety = r->y1 - win_h; + if(r->y0 < win_y0) scrollsety = r->y0; + if(r->x1 > win_x1) scrollsetx = r->x1 - win_w; + if(r->x0 < win_x0) scrollsetx = r->x0; + + RefreshSetGadgetAttrs((APTR)ami_cw->objects[GID_CW_VSCROLL], ami_cw->win, NULL, + SCROLLER_Top, scrollsety, + TAG_DONE); + + RefreshSetGadgetAttrs((APTR)ami_cw->objects[GID_CW_HSCROLL], ami_cw->win, NULL, + SCROLLER_Top, scrollsetx, + TAG_DONE); + + /* probably need to redraw here */ +} + + +static void +ami_cw_drag_status(struct core_window *cw, core_window_drag_status ds) +{ + struct ami_corewindow *ami_cw = (struct ami_corewindow *)cw; + ami_cw->drag_status = ds; +} + + +struct core_window_callback_table ami_cw_cb_table = { + .redraw_request = ami_cw_redraw_request, + .update_size = ami_cw_update_size, + .scroll_visible = ami_cw_scroll_visible, + .get_window_dimensions = ami_cw_get_window_dimensions, + .drag_status = ami_cw_drag_status +}; + +/* exported function documented example/corewindow.h */ +nserror ami_corewindow_init(struct ami_corewindow *ami_cw) +{ + /* setup the core window callback table */ + ami_cw->cb_table = &ami_cw_cb_table; + + /* allocate drawing area etc */ + ami_init_layers(&ami_cw->gg, 0, 0, false); + ami_cw->gg.shared_pens = ami_AllocMinList(); + + /* add the core window to our window list so we process events */ + ami_gui_win_list_add(ami_cw, AMINS_COREWINDOW, &ami_cw_table); + + /* attach the scrollbars for event processing */ + ami_cw->idcmp_hook.h_Entry = (void *)ami_cw_idcmp_hook; + ami_cw->idcmp_hook.h_Data = ami_cw; + /* probably set this when defining the window + SetAttrs(ami_cw->objects[GID_CW_WIN], + WINDOW_IDCMPHook, &ami_cw->idcmp_hook, + TAG_DONE); */ + + GetAttr(WINDOW_HorizObject, ami_cw->objects[GID_CW_WIN], + (ULONG *)&ami_cw->objects[GID_CW_HSCROLL]); + GetAttr(WINDOW_VertObject, ami_cw->objects[GID_CW_WIN], + (ULONG *)&ami_cw->objects[GID_CW_VSCROLL]); + + RefreshSetGadgetAttrs((APTR)ami_cw->objects[GID_CW_VSCROLL], ami_cw->win, NULL, + GA_ID, GID_CW_VSCROLL, + ICA_TARGET, ICTARGET_IDCMP, + TAG_DONE); + + RefreshSetGadgetAttrs((APTR)ami_cw->objects[GID_CW_HSCROLL], ami_cw->win, NULL, + GA_ID, GID_CW_HSCROLL, + ICA_TARGET, ICTARGET_IDCMP, + TAG_DONE); + + return NSERROR_OK; +} + +/* exported interface documented in example/corewindow.h */ +nserror ami_corewindow_fini(struct ami_corewindow *ami_cw) +{ + /* remove the core window from our window list */ + ami_gui_win_list_remove(ami_cw); + + /* destroy the window */ + ami_cw->win = NULL; + DisposeObject(ami_cw->objects[GID_CW_WIN]); + + /* release off-screen bitmap stuff */ + ami_plot_release_pens(ami_cw->gg.shared_pens); + ami_free_layers(&ami_cw->gg); + + return NSERROR_OK; +} + |