X-Git-Url: http://git.draconx.ca/gitweb/rrace.git/blobdiff_plain/683ddffaa0940d7c8b792d790c617e6950ce7a1a..dc5fda352920a27da020717ee7775fa89bf9fb7e:/src/motif_ui.c diff --git a/src/motif_ui.c b/src/motif_ui.c index 0708b40..05721e0 100644 --- a/src/motif_ui.c +++ b/src/motif_ui.c @@ -22,22 +22,54 @@ #include #include "motif.h" +#include "motifstr.h" #include "motifgui.h" +#include "xcounter.h" +#include "version.h" #define SPLIT_NUMERATOR 75 #define SPLIT_DENOMINATOR 100 #define MIN(a, b) ((a) < (b) ? (a) : (b)) -static void game_configure(Widget w); +/* XXX generate this list? */ +enum { + widgetMainWindow, + widgetForm, + widgetFrame, + widgetDrawingArea, + widgetCascadeButton, + widgetPushButton, + widgetMax, + + /* Pseudo-widgets */ + widgetMenuBar = widgetMax, + widgetMessageDialog, + widgetScrolledText, + + widgetUnmanaged = 128 +}; + +static WidgetClass * const widgets[widgetMax] = { + &xmMainWindowWidgetClass, + &xmFormWidgetClass, + &xmFrameWidgetClass, + &xmDrawingAreaWidgetClass, + &xmCascadeButtonWidgetClass, + &xmPushButtonWidgetClass +}; static const struct ui_widget { uint_least16_t name; - uint_least16_t subtree; - WidgetClass *class; - void (*configure)(Widget w); + uint_least8_t subtree; + uint_least8_t widget_type; } mainwin[] = { MAINWIN_INITIALIZER }; +static const struct ui_menuitem { + struct ui_widget w; + uint_least16_t label; +} mainmenu[] = { MAINMENU_INITIALIZER }; + static void ResizeGameArea(Widget form, XEvent *e, String *args, Cardinal *num_args) { @@ -69,27 +101,62 @@ ResizeGameArea(Widget form, XEvent *e, String *args, Cardinal *num_args) XtVaSetValues(goal, XmNwidth, goalsz, XmNheight, goalsz, (char *)NULL); } -static void game_configure(Widget form) +static char *timer_text(int_fast32_t ms, char *buf) +{ + unsigned min, sec; + + sec = ms / 1000, ms %= 1000; + min = sec / 60, sec %= 60; + sprintf(buf, "Time: %u:%.2u.%.3u", min, sec, (unsigned)ms); + + return buf; +} + +void ui_timer_update(struct app_state *state, int_fast32_t ms) +{ + char buf[100]; + + if (ms < 0) { + xcounter_simple_update(state->timer, "\n"); + return; + } + + xcounter_simple_update(state->timer, timer_text(ms, buf)); +} + +static void configure_mainwin(struct app_state *state, Widget form) { Widget gamearea = XtNameToWidget(form, &tree_strtab[gameArea]); Widget goalarea = XtNameToWidget(form, &tree_strtab[goalArea]); XtActionsRec resize_rec; + char xc_template[100]; assert(gamearea && goalarea); XtVaSetValues(form, XmNfractionBase, SPLIT_DENOMINATOR, (char *)NULL); - XtVaSetValues(gamearea, //XmNrightAttachment, XmATTACH_POSITION, - //XmNrightPosition, SPLIT_NUMERATOR, - XmNleftAttachment, XmATTACH_FORM, + state->game = XtNameToWidget(gamearea, &tree_strtab[gameCanvas]); + XtVaSetValues(gamearea, XmNleftAttachment, XmATTACH_FORM, XmNtopAttachment, XmATTACH_FORM, (char *)NULL); + state->goal = XtNameToWidget(goalarea, &tree_strtab[goalCanvas]); XtVaSetValues(goalarea, XmNleftAttachment, XmATTACH_WIDGET, XmNleftWidget, gamearea, XmNtopAttachment, XmATTACH_OPPOSITE_WIDGET, XmNtopWidget, gamearea, (char *)NULL); + state->timer = XtNameToWidget(form, &tree_strtab[timeDisplay]); + XtVaSetValues(state->timer, XmNleftAttachment, XmATTACH_WIDGET, + XmNleftWidget, gamearea, + XmNtopAttachment, XmATTACH_WIDGET, + XmNtopWidget, goalarea, + XmNrightAttachment, XmATTACH_FORM, + (char *)NULL); + + xcounter_simple_setup(state->timer, timer_text(20000, xc_template)); + ui_timer_update(state, -1); + resize_rec.string = "ResizeGameArea"; resize_rec.proc = ResizeGameArea; XtAppAddActions(XtWidgetToApplicationContext(form), &resize_rec, 1); @@ -97,6 +164,31 @@ static void game_configure(Widget form) ": ResizeGameArea()\n" ": ResizeGameArea()\n" )); + + /* + * Performing the initial update of the layout seems to avoid + * some weird problems on Motif 2.1 + */ + ResizeGameArea(form, 0, 0, 0); +} + +static Widget create_widget(const struct ui_widget *item, Widget parent, + ArgList args, Cardinal num_args) +{ + String name = (void *)&tree_strtab[item->name]; + unsigned type = item->widget_type & widgetUnmanaged-1; + + switch (type) { + case widgetMenuBar: + return XmCreateMenuBar(parent, name, args, num_args); + case widgetMessageDialog: + return XmCreateMessageDialog(parent, name, args, num_args); + case widgetScrolledText: + return XmCreateScrolledText(parent, name, args, num_args); + } + + assert(type < widgetMax); + return XtCreateWidget(name, *widgets[type], parent, args, num_args); } static void @@ -105,49 +197,242 @@ construct_widgets(const struct ui_widget *root, Widget parent, unsigned i) const struct ui_widget *item; for (item = &root[i]; item->name; item++) { - Widget w; + Widget w = create_widget(item, parent, NULL, 0); - w = XtCreateWidget(&tree_strtab[item->name], *item->class, - parent, NULL, 0); - if (item->subtree) { + if (item->subtree) construct_widgets(root, w, item->subtree); - } - if (item->configure) { - item->configure(w); + if (!(item->widget_type & widgetUnmanaged)) + XtManageChild(w); + } +} + +static void menu_cb(Widget w, void *data, void *cb_data) +{ + XmRowColumnCallbackStruct *cbs = cb_data; + XtCallActionProc(cbs->widget, XtName(cbs->widget), cbs->event, NULL, 0); +} + +static Widget create_pulldown(Widget parent) +{ + Widget w; + + w = XmCreatePulldownMenu(parent, XtName(parent), NULL, 0); + XtVaSetValues(parent, XmNsubMenuId, w, (char *)NULL); + XtAddCallback(w, XmNentryCallback, menu_cb, NULL); + + return w; +} + +static void +construct_menu(const struct ui_menuitem *root, Widget parent, unsigned i) +{ + const struct ui_menuitem *item; + + for (item = &root[i]; item->w.name; item++) { + const char *label = &strtab[item->label]; + unsigned n = 0; + Arg args[2]; + XmString s; + Widget w; + + if (XtClass(parent) == *widgets[widgetCascadeButton]) + parent = create_pulldown(parent); + + if (label[0] && label[1] == '|') { + XtSetArg(args[n], XmNmnemonic, label[0]); n++; + label += 2; } + s = XmStringCreateLocalized((void *)label); + XtSetArg(args[n], XmNlabelString, s); n++; + + w = create_widget(&item->w, parent, args, n); + + XmStringFree(s); + + if (item->w.subtree) + construct_menu(root, w, item->w.subtree); + XtManageChild(w); } } +/* Figure out which tiles intersect a rectangle. */ +static uint_fast32_t +expose_mask(int rect_x, int rect_y, int rect_w, int rect_h, + int tile_w, int tile_h) +{ + return board_right(rect_x / tile_w) + & board_below(rect_y / tile_h) + & board_above((rect_y + rect_h - 1) / tile_h) + & board_left((rect_x + rect_w - 1) / tile_w); +} + +/* + * Calculate which tiles need to be redrawn after resizing. This is the + * tiles which (at the new size) are fully contained in the previous area. + * + * When shrinking, this is all tiles, but when enlarging, the generated + * expose events will trigger drawing of the new area. + */ +static uint_fast32_t resize_helper(Widget w, Dimension *oldsz, int gridsz) +{ + Dimension new_w, new_h, common_w, common_h; + + if (!XtIsRealized(w)) + return 0; + + XtVaGetValues(w, XmNwidth, &new_w, XmNheight, &new_h, (char *)NULL); + common_w = MIN(new_w, oldsz[0]); + common_h = MIN(new_h, oldsz[1]); + oldsz[0] = new_w; + oldsz[1] = new_h; + new_w /= gridsz; + new_h /= gridsz; + + /* Round down to multiple of tile dimensions */ + common_w = common_w / new_w * new_w; + common_h = common_h / new_h * new_h; + + if (new_w > 0 && new_h > 0) + return expose_mask(0, 0, common_w, common_h, new_w, new_h); + return 0; +} + static void game_resize(Widget w, void *data, void *cb_data) { + struct app_state *state = data; + uint_fast32_t mask; + + mask = resize_helper(w, state->game_sz, 5); + if (mask) + x11_redraw_game(data, mask); +} + +static void goal_resize(Widget w, void *data, void *cb_data) +{ + struct app_state *state = data; + uint_fast32_t mask; + + mask = resize_helper(w, state->goal_sz, 3); + if (mask) + x11_redraw_goal(data, mask); +} + +static void game_expose(Widget w, void *data, void *cb_data) +{ + XmDrawingAreaCallbackStruct *cbs = cb_data; + XExposeEvent *e = &cbs->event->xexpose; Dimension width, height; + uint_fast32_t mask; XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL); + if (!(width /= 5) || !(height /= 5)) + return; - printf("game %ux%u\n", width, height); + mask = expose_mask(e->x, e->y, e->width, e->height, width, height); + x11_redraw_game(data, mask); } -static void goal_resize(Widget w, void *data, void *cb_data) +static void goal_expose(Widget w, void *data, void *cb_data) { + XmDrawingAreaCallbackStruct *cbs = cb_data; + XExposeEvent *e = &cbs->event->xexpose; Dimension width, height; + uint_fast32_t mask; XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL); + if (!(width /= 3) || !(height /= 3)) + return; - printf("goal %ux%u\n", width, height); + mask = expose_mask(e->x, e->y, e->width, e->height, width, height); + x11_redraw_goal(data, mask); } -void ui_initialize(Widget shell) +void ui_initialize(struct app_state *state, Widget shell) { - Widget game, goal; + Widget menubar, help; construct_widgets(mainwin, shell, 0); - game = XtNameToWidget(shell, "*gameCanvas"); - goal = XtNameToWidget(shell, "*goalCanvas"); + menubar = XtNameToWidget(shell, "*menuBar"); + construct_menu(mainmenu, menubar, 0); + + help = XtNameToWidget(menubar, "helpMenu"); + XtVaSetValues(menubar, XmNmenuHelpWidget, help, (char *)NULL); + + configure_mainwin(state, XtNameToWidget(shell, "*game")); + + XtVaGetValues(state->game, XmNwidth, &state->game_sz[0], + XmNheight, &state->game_sz[1], + (char *)NULL); + XtAddCallback(state->game, XmNresizeCallback, game_resize, state); + XtAddCallback(state->game, XmNexposeCallback, game_expose, state); + + XtVaGetValues(state->game, XmNwidth, &state->goal_sz[0], + XmNheight, &state->goal_sz[1], + (char *)NULL); + XtAddCallback(state->goal, XmNresizeCallback, goal_resize, state); + XtAddCallback(state->goal, XmNexposeCallback, goal_expose, state); +} - XtAddCallback(game, XmNresizeCallback, game_resize, NULL); - XtAddCallback(goal, XmNresizeCallback, goal_resize, NULL); +static void dialog_close(Widget w, void *data, void *cb_data) +{ + XtDestroyWidget(w); +} + +/* + * Expands to an XtVaSetValues argument list to set the given resource with + * a typed string value, which is internally converted to the appropriate + * resource type. + * + * Note that str is expanded twice and thus should not have side effects. + */ +#define STRING_ARG(resource, str) \ + XtVaTypedArg, (resource), XtRString, (str), strlen((str))+1 + +void ui_show_about(struct app_state *state, Widget shell) +{ + static const struct ui_widget dialog[] = { ABOUTDIALOG_INITIALIZER }; + Widget w, l; + char *msg; + + construct_widgets(dialog, shell, 0); + + w = XtNameToWidget(shell, "*aboutDialog"); + XtUnmanageChild(XmMessageBoxGetChild(w, XmDIALOG_CANCEL_BUTTON)); + + XtAddCallback(w, XmNunmapCallback, dialog_close, NULL); + + XtVaSetValues(w, STRING_ARG(XmNokLabelString, "Close"), (char *)NULL); + + msg = version_format_head("rrace-motif"); + l = XmMessageBoxGetChild(w, XmDIALOG_MESSAGE_LABEL); + XtVaSetValues(l, XmNlabelType, XmPIXMAP_AND_STRING, + XmNlabelPixmap, state->icon_pixmap, + STRING_ARG(XmNlabelString, msg), + (char *)NULL); + free(msg); + + l = XtNameToWidget(w, "*licenseBlurb"); + XmTextSetString(l, +"This program is free software: you can redistribute it and/or modify\n" +"it under the terms of the GNU General Public License as published by\n" +"the Free Software Foundation, either version 3 of the License, or\n" +"(at your option) any later version.\n\n" +"This program is distributed in the hope that it will be useful,\n" +"but WITHOUT ANY WARRANTY; without even the implied warranty of\n" +"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" +"GNU General Public License for more details.\n\n" +"You should have received a copy of the GNU General Public License\n" +"along with this program. If not, see ."); + + XtVaSetValues(l, XmNeditMode, XmMULTI_LINE_EDIT, + XmNeditable, FALSE, + XmNresizeWidth, TRUE, + XmNrows, 5, + (char *)NULL); + + XtManageChild(w); }